Answers
The image shows a zygote dividing by meiosis.
What is cell division?We know that cell division occurs when a cell breaks up to give daughter cells. This could occur by mitosis or by meiosis. In each case, we have two or four daughter cells being formed.
Now we have to look at the image very well. We can see that the process is occurring inside the gamete cells. There is a fertilized egg that divides into two. We know that a fertilized egg is called a zygote.
In conclusion, we can say that, the image shows a zygote dividing by meiosis.
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Related Questions
The monomer of DNA is composed of what three parts
Answers
A monomer of DNA is composed of nitrogenous base, a pentose sugar and a phosphate group.
What is the composition of DNA?A DNA molecule is made up of several repeating units called nucleotides.Each nucleotide is made up of 3 parts: base, sugar and phosphate.Nitrogen bases are cyclic carbon compounds and are of two types: Purines (Adenine and Guanine) and Pyrimidines (Cytosine and Thymidine).Purines bond with pyrimidines to form double helix of DNA.The sugar has pentose structure and is deoxyribose as it lacks 2’- OH group.The 1’ Carbon of sugar is attached to the 9’ nitrogen of purine or 1’ nitrogen of pyrimidine by glycosidic bond.The 5’ carbon of sugar is attached to phosphate group.The phosphate group is pentavalent with a double bonded oxygen and three single bond hydroxyl molecules.Learn about genetic material here:
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5. Which major consumer of oil is most vulnerable to disruption in the event of another energy crisis: electric power generation, motor vehicles, heating and air conditioning, or industry? Why?
6. Which of the following produces the most CO2 per unit of energy produced: oil, natural gas, or coal?
7. India, China, and the United States all have large coal reserves. Do you think any or all of them should build more coal-fired power plants over the next 20 years? If so, what technologies will help them minimize environmental impacts?
10 Examine the bar graph, which shows the six countries with the greatest natural gas deposits. Is most of the world’s natural gas located in North and South America, or in Europe and the Persian Gulf countries?
Answers
The major consumer of oil which is most vulnerable to disruption in the event of another energy crisis is industry.
The most of the world’s natural gas is located in Europe.
Coal produces the most CO2 per unit of energy produced
The bar graph which shows the six countries with the greatest natural gas deposits is attached.
Absolutely yes! all of these countries should build more coal-fired power plants over the next 20 years. This is simply because coal-fired power plants provide affordable, reliable and constant power that is available on demand to meet energy consumption needs.
The technologies which will help them minimize environmental impacts in coal-fired power plants are
Power generation.Concentrated solar power.Nuclear power plant.Virtual power plant.BiomassWhat is energy?Energy is the capacity of doing work.
Below are some forms of energy:
Nuclear energyPotential energyKinetic energyMechanical energySo therefore, the major consumer of oil which is most vulnerable to disruption in the event of another energy crisis is industry.
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Dinobryon is a species of protozoa that reproduces asexually ?
Answers
They have less genetic diversity in their population.
Asexual reproduction and genetic diversitySexual reproduction involves genetic recombination and as such, produces genetically more variable offspring.
This is unlike asexual reproduction. There is no form of genetic recombination whatsoever. All the offspring have the same genomes as the parents.
When a population is genetically diverse, such a population will be able to adapt to changes in their environment more quickly.
A population that has little to no genetic diversity can get wiped out by a little change to the environment.
Thus, asexual reproduction can be advantageous in that reproduction is quicker and consumes less energy. However, it makes the population to be susceptible to elimination by environmental changes.
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How can scientist explain our ability to feel empathy? Can evolution explain the types of group’s primates will organize themselves in? What is different about Homo sapiens from other non-human primates? Does this explanation make sense to you? Why or why not?
Answers
Empathy is a feeling that, in short, represents the ability to put yourself in the other person's shoes. This encompasses thoughts, actions or feelings regarding whatever subject is being addressed.
Can evolution explain the types of primates in the group into which they will organize themselves?As they age, the saddles become larger and eventually cover most of their backs. The most common social group pattern among semi-terrestrial primates is the multimale-multifemale group. With this pattern, there are no stable heterosexual bonds--both males and females have a number of different mates.
How is Homo sapiens different from other non-human primates?Upright posture, arms shorter than legs, extraordinary brains. While the natural "lottery" acted on these and other characteristics, primitive man climbed a new rung of the evolutionary scale. "In evolutionary terms, it is important to think that it is not adaptation that arises to respond to environmental needs; a variation happens and the environment ends up favoring it"
With this information, we can conclude that We are all descendants of Homo sapiens that originated in Africa. Thanks to genetics, we know that all Homo sapiens are descended from an African woman who lived about 200,000 years ago.
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Which disorder is a less severe but chronic form of depression?
Major depressive disorder
Bipolar disorder
Persistent depressive disorder
Post-traumatic stress disorder
Answers
Answer:
Persistent depressive disorder.
Persistent depressive disorder, known as dysthymia or low-grade depression, is less severe than major depression but more chronic. It occurs twice as often in women as in men. Persistent depressive disorder (PDD) is a serious and disabling disorder that shares many symptoms with other forms of clinical depression.
A. not having enough usable water
B. running out of space for agriculture
C. having too many natural resources
D. producing too much waste
Answers
Answer:
C
Explanation:
Too many natural resources is not reasonable to assume as overpopulation increases. This is because people will scale with resource necessity. More people means more needed resources. The others are logical meaning that they scale, more people less resources while C is more people more resources which is not reasonable to assume.
WILL GIVE BRAINLIEST
Which of the following describes the correct order of energy conversions necessary to form electricity from a hydroelectric dam?
Flowing water → Electricity
Flowing water → Heat → Electricity
Flowing water → Kinetic → Electricity
Flowing water→ Heat → Kinetic → Electricity
Answers
Flowing water kinetic energy electricity - describes the correct order of energy conversions necessary to form electricity from a hydroelectric dam
One of the main parts of a hydroelectric facility is a hydroelectric dam that produces electricity. A hydroelectric dam is a substantial, artificial structure created to hold back a body of water. In addition to being built to generate hydroelectric electricity, hydroelectric dams are also built to manage flooding and river flow.
The water intake is located quite close to the base of the hydroelectric dam wall. It drops through the penstock inside the hydroelectric dam because to gravity. A turbine propellor, which is rotated by the flowing water, is located at the end of the penstock. The turbine's shaft ascends into the generator, which generates the energy.
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Option C: Flowing water → Kinetic → Electricity
What blood types are possible for a child with a mother who has a blood type of O, and a father with a blood type of A,
and is homozygous.
Answers
The mother has an O blood type means genetically she has [tex]I^{O} I^{O}[/tex]and the father is homozygous means he has [tex]I^{A} I^{A}[/tex]in this situation the child will have only A blood group and genetically the child will have [tex]I^{A} I^{O}[/tex]. Thus the answer is blood type A.
What is the genetic constitution of all the blood groups?The blood group type will have two genotypes one homozygous condition that is type [tex]I^{A} I^{A}[/tex] or the heterozygous condition that is [tex]I^{A} I^{O}[/tex] but in both conditions phenotypically the person will have type A blood group.
The same happens with the type B blood group where the homozygous [tex]I^{B} I^{B}[/tex]or the heterozygous [tex]I^{B} I^{O}[/tex] in both genotype conditions phenotypically the person will have a B blood group.
This condition is not applied in the O blood group as it will always express in homozygous condition as if A or B present then will dominate so if a person has blood type O then the person always has [tex]I^{O} I^{O}[/tex] in their genotype.
The condition for having blood group O is the father and mother both should have heterozygous genotype then there will be a possibility the child will have O blood group.
Here, in the question, both parents are homozygous as the mother is expressing blood group O then must have homozygous [tex]I^{O} I^{O}[/tex] and it is already mentioned in the question that the father is also homozygous that is [tex]I^{A} I^{A}[/tex] . The Punnett square is given in the image attached.
Hence, as both parents have homozygous genotype and the father has blood type A which is dominant so children will be heterozygous and have A blood group as A is dominant over O.
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is whistling higher pitch or is singing higher pitch
Answers
Answer: Singing , as whistleing does not even involve your larynx
Explanation:
The image below shows the process of DNA replication. Identify the components of the process
Answers
Answer:
See below.
Explanation:
The biological process of creating two identical copies of DNA from a single original DNA molecule is known as DNA replication.
A double helix of two complementary strands makes up DNA. These strands are split apart in the replication process. The method of semi-conservative replication uses each strand of the original DNA molecule as a template to create its counterpart.
This process is carried out by several enzymes which are listed below along with their activity
__
DNA Dependent DNA POLYMERASE is a class of enzymes that is responsible for all organisms' DNA replication processes. It accelerates DNA replication in the 5′ to 3′ range.The enzyme known as TOPOISOMERASE is involved in the over- or under-winding of DNA.HELICASE—Using the energy from ATP hydrolysis, which is characterized by the breakdown of hydrogen bonds between annealed nucleotide bases, helicases are frequently employed to separate the strands of a DNA double helix or a self-annealed RNA molecule.DNA GYRASE, a particular kind of topoisomerase, relieves strain caused by DNA helicase's unwinding action.DNA LIGASE- Joins the OKAZAKI FRAGMENT of the lagging strand and re-anneals the semi-conservative strands.PRIMASE - Primase catalyzes the production of a short primer, which is a ssDNA template-specific piece of RNA (or DNA in other species).REPLICATION FORK -
INITIATION: The beginning of DNA replication takes place at certain locations in DNA known as ori-sites or regions. Enzymes often recognize these locations and initiate the process. As opposed to C-G base pairs, which produce three hydrogen bonds, A-T base pairs only form two hydrogen bonds, making them easier to strand split. As a result, these sites are typically "AT-rich" (rich in adenine and thymine bases). Following the discovery of the origin, enzymes create a pre-replication complex that unzips the double-stranded DNA. The enzyme topoisomerase is involved in this process. ELONGATION: The 5'-3' activity of the DNA polymerase enzyme. Now, a new strand was created by DNA polymerase enzymes in the direction of 5′ to 3′ (note: the DNA template is read in 3' to 5' direction). RNA primers were simultaneously created by the primase enzyme and utilised by the polymerase to create new strands of RNA.Due to the 5′ - 3′ orientation of the DNA polymerase enzyme, two types of strands are formed.
LEADING STRAND - A DNA polymerase with high processivity that has the direction 5′ - 3′ (template strand 3′-5′) extends the continuous strand from the primer in the same direction as the replication fork that is expanding. One RNA primer is applied to the leading strand. LAGGING STRAND - It is the discontinuous strand whose synthesis is going in the opposite direction of the replication fork that is developing. Each primer extends the lagging strand intermittently to create Okazaki fragments. A low processivity DNA polymerase that is different from the replicative polymerase enters to fill the gaps after RNase eliminates the priming RNA pieces. Multiple primers are applied to the lagging strand, and then the Okazaki fragments are joined by the ligase enzyme, filling in the gaps.TERMINATION - Replication forks meet and end at several locations throughout the chromosome because eukaryotes start DNA replication at various locations; it is unknown how these are controlled. Termination necessitates the halting or blocking of the DNA replication fork's forward motion. When termination occurs at a particular locus, it includes the interaction of two elements: (1) a DNA sequence known as a termination site sequence, and (2) a protein that binds to this region to actually cease DNA replication.- Thank you.
How would breathing be affected if a bullet makes a hole in the thoracic cavity?
Answers
If a bullet makes a hole in the thoracic cavity then that can cause air to enter the pleural cavity directly from the outside.
The second-largest hollow region in the body is the thoracic cavity, often known as the chest cavity. The sternum, or breastbone, the spinal column, and the ribs encompass it. The diaphragm, a muscular and membrane wall, separates it from the abdominal cavity, the body's largest hollow region.
Organs and tissues that are involved in the immune (thymus), cardiovascular (heart, pericardium, great vessels, lymphatics), nervous (vagus nerve, sympathetic chain, phrenic nerve, recurrent laryngeal nerve), respiratory (lungs, bronchi, trachea, pleura), and digestive (oesophagus) systems are found in the thoracic cavity.
The sternum, ribs, thoracic vertebrae, and diaphragm all surround the area of the thoracic cavity. The mediastinum and the chest cavity, where the lungs are located, comprise one compartment.
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A hole in the skin caused platelets to rush to the site and release a chemical that releases more platelets. This is an example of what type of mechanism
Answers
A hole in the skin caused platelets to rush to the site and release a chemical that releases more platelets. This is an example of a positive feedback mechanism.
Positive feedback mechanism:When a variable is changed, there is a response that leads to further change in the same direction, which is known as positive feedback.
An illustration can be used to explain positive feedback. Positive feedback aids in the quick creation of a platelet plug in a damaged blood artery when we cut our fingers. Platelets are drawn to the wounded location, and as they accumulate, they each release chemicals that draw additional platelets.
In order to stop excessive blood loss, numerous platelets quickly collect and work together to seal the damaged blood vessel's hole.
Positive feedback mechanisms are demonstrated by the posterior pituitary gland's production of oxytocin during labor. The muscle contractions that force the infant into the delivery canal are induced by oxytocin.
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Question 5 (1 point)
Antidiuretic hormone (ADH) and aldosterone are
different because
O a) one stimulates cells in the distal
convoluted tubule and the other
stimulates cells in the collecting duct.
O b) one regulates the blood concentration of
sodium, and the other does not.
O c) one regulates the blood concentration of
potassium, and the other does not.
Answers
Antidiuretic hormone (ADH) and aldosterone are different in that they stimulate cells in the distal convoluted tubule and the other stimulates cells in the collecting duct.
a) stimulates cells in the distal portion convoluted tubule and the other stimulates collecting duct cells.What is the difference between antidiuretic hormone (ADH) and aldosterone?Another distinguishing point between the two hormones is their place of action. “While aldosterone acts, using a simplified renal physiology, in the ascending region of the Loop of Henle and, with that, ends up causing water reabsorption in the renal tubules, ADH acts in the collecting duct, also promoting water reabsorption.”
With this information, we can conclude that Anti-diuretic hormone helps to control blood pressure by acting on the kidneys and the blood vessels. Its most important role is to conserve the fluid volume.
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What causes earthquakes?
How are earthquakes measured and how big can they get?
Answers
Explanation:
Earthquakes are caused by friction at the ends of tectonic plates. WHen they become stuck at their edges from this friction, stress builds up,, and eventually overcomes the friction, becoming an earthquake. Earthquakes are measured on the Richter scale. The largest earthquake ever documented was 9.5 in Chile on May 22nd, 1960.
PLS HELP MEEE WILL MARK BRAINLYEST What has developed as a result of population growth around Cape Canaveral due to the space program?
Fewer stop lights
New homes
More orange groves
Outbreak of disease
SUBJECT: science
Answers
Answer:
New Homes
Explanation:
Without building additional housing for the people you wish to have there, it is impossible to increase the population.
Explain in your own words why there is uncertainty in science. What can scientists do to reduce uncertainty in science?
Answers
There is uncertainty in science because of limited technology of the time.
Why there is uncertainty in science?Uncertainty is critical for science because it compels the scientists to engage in new investigation and research. It is very important to rather it means an absence of certainty in science which is okay because uncertainty of science leads to new investigations, experiments and researches. With the passage of time, our technology get advanced day by day which leads to new discoveries and inventions.
So we can conclude that there is uncertainty in science because of limited technology of the time.
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Name each structure
Answers
Answer:
The brochuus
hope I helped.
Phosphorous (P) and chlorine (Cl) bond covalently to form the important industrial compound phosphorous trichloride. The diagrams below show the electron structures of phosphorous and chlorine. On left, a purple circle labeled P surrounded by 3 concentric circles. The inner circle has 2 small green spheres. The second circle has 8 small green spheres. The third circle has 5 small green spheres. On right, a purple circle labeled C l surrounded by 3 concentric circles. The inner circle has 2 small green spheres. The middle circle has 8 small green spheres. The outer circle has 7 small green spheres. Which diagram shows how the covalent bonds most likely form in a phosphorous trichloride molecule? At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below, left. Also connected by 1 line at right to C l with 2 dots each above, below, right. At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 2 lines at left to C l with 2 dots each above, left. Also connected by 2 lines at right to C l with 2 dots each above, right. At center, P connected above by 1 line to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below, left. Also connected by 1 line at right to C l with 2 dots each above, below, right. P also has 2 dots below. At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below. Also connected by 1 line at right to C l with 2 dots each above, below.
Answers
The chlorine atoms are all arranged around the phosphorus central atom in a trigonal pyramidal geometry.
What is the structure of a molecule?We know that a molecule is made up of atoms, the atoms that make up a molecule are arranged in a definite pattern. The pattern that these atoms are arranged along with the positioning of electron pairs around the central atom is what determines the shape of the molecule.
Now we know that the phosphorous trichloride molecule is composed of one atom of phosphorus and three atoms of chlorine which are all held by covalent bonds.
The chlorine atoms are all arranged around the phosphorus central atom in a trigonal pyramidal geometry. The small green spheres shows the electrons that surround the chlorine atom.
The correct structure of the phosphorous trichloride have been shown in the image attached to this answer.
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Summarize the method used to support scientific ideas and theories. What is the scientific method? How would you explain it to a friend who’s never heard of it?
Answers
The scientific method is a well structured manner of answering scientific questions or solving scientific problems.
What is the scientific method?The scientific method is a method of discovering knowledge about the natural world based in making falsifiable predictions called hypothesis, testing them empirically, and developing theories that match known data from repeatable physical experimentation.
The scientific method involves the following steps that should be followed hierarchically;
Making observationsConstruction of hypothesisTesting hypothesis via experimentationData analysisConcluding based on resultsTherefore, the best way to explain to a friend who has never heard of the scientific method before is that scientific method is a well structured manner of answering scientific questions or solving scientific problems.
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When is a mutation considered beneficial?
A. when it decreases an organisms life span
B. when it decreases an organism's fertility rates.
C. when it gives an organism an evolutionary advantage
D. when it makes an organism more vulnerable to predators
Answers
Answer:
C!
Explanation:
Of course you would want to evolve against your predators! Many examples of this include camouflage, gills, or mimicry. Hope this helps!
15 Answer:
According to modern atomic theory, _____ can't move from one energy
level to another.
16 Answer:
Quarks make up all the known particles of the nucleus.
a. true
b. false
17 Answer:
A weak force "glues" protons together in the nucleus.
a. true
b. false
18 Answer:
Electromagnetic force is the force of attraction which exists between
all objects.
a. true
b. false
19 Answer:
Particles smaller than an atom are called subatomic particles.
a. true
b. false
20 Answer:
The atomic mass of an element never changes.
a. true
b. false
Answers
Proton, true, true, true and false are the answers of the given questions.
Which particle can't move from one energy level to another?According to modern atomic theory, proton can't move from one energy level to another but the electron move from one energy level to another energy level when the energy is absorbed.
Quarks make up protons and neutrons that make up an atom's nucleus. Each proton and each neutron contains three quarks. The particle that carries the strong force is called a gluon, so-named because it so tightly "glues" quarks together into larger particles. Electromagnetic force is the force of attraction that is present between all objects. This force of attraction make them attached to one another.
Subatomic particles are electrons which is negatively charged and the positively charged protons and the electrically neutral neutrons.
An elements atomic number will never change but atomic mass can change that we call these isotopes. The atomic mass is the sum of the protons and neutrons in the nucleus. In an isotope you have more neutrons than you have protons.
So we can conclude that proton, true, true, true and false are the answers of the given questions.
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Name three methods of disrupting cells before fractionation
Answers
Extraction, homogenization, and centrifugation are the three processes in cell fractionation.
Cell fractionation is a method for dividing cellular components while yet maintaining each component's unique functionality. This technique was initially applied to show where distinct biochemical activities are located within cells. Subcellular fractionation is also used to help with illness detection and to offer an enhanced source of protein for further purification. To prevent osmotic damage, tissue is routinely homogenized in an isotonic buffer solution. Grinding, mincing, chopping, pressure changes, osmotic shock, freeze-thawing, and ultrasonic waves are a few of the mechanisms for homogenization. After that, the samples are maintained cool to avoid enzymatic deterioration. It is the development of a uniform mass of cells (cell homogenate or cell suspension).
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machenical methods(french press... ' ultra sound and bead mill
enzymatic method
chemical method(detergents and solvents)
Explanation:
Predict the effect of a substance that inhibits sodium channels from opening. How might this substance affect the way the nervous system functions?
Description:
The movement of sodium and potassium ions is an important part of how a neuron generates an action potential. Their movement is controlled by three transport proteins.
Answers
The effect of substance that inhibits sodium channels from opening would lead to reduction of cell excitability.
What are sodium channels?The sodium channels are gated channels found in the cell membrane that allows the controlled passage of sodium ions to and from the cell of the body.
Sodium ions are one of the most important electrolyte of the body which helps in the maintenance of body fluid balance.
The opening and closing of the sodium channels helps in their regulation.
The substances that inhibit these sodium channels prevents the passage of sodium ion into the cell leading to the following effects:
Slows the rate and amplitude of initial rapid depolarization, Reduction of cell excitability, andReduction of conduction velocity.This substance that inhibits sodium channels affects the nervous system functions because they block nerve conduction and thereby block sensation in the area innervated by affected nerve fibers.
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Which two fats are the most preferred sources of energy in the body?
Answers
Saturated and unsaturated fats are the two fats are the most preferred sources of energy in the body.
What is fat?The term "fat" can refer to any ester of fatty acids or a mixture of them.These molecules most frequently appear in food or living things.A glycerol backbone and three fatty acid tails make up the two types of components that make up a fat molecule. In contrast to glycerol, which is a small chemical molecule with three hydroxyl (OH) groups, fatty acids are composed of a long hydrocarbon chain coupled to a carboxyl group.The term "saturated fat" refers to a fat that contains only single bonds in its fatty acid chains.Glycerides, a kind of fat, are made of fatty acids, which each contain a long chain of carbon atoms that can be linear or branched, and glycerol, which has a short backbone.Unsaturated fat is a fatty acid that has two carbons that share a double or triple bond and is not entirely saturated with hydrogen atoms.Learn more about fat here:
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Give an example of a good hypothesis, and explain why a hypothesis is important.
Answers
Explanation:
it ensures the entire research methodologies are scientific and valid
The Greek scientist Galen theorized that:
A. Food was turned into blood, and when it reached the heart it was mixed with air to make 'spirit.'
OB. That heartrate can be determined by measuring the pulse.
C. That the heart and lungs were linked, and worked together to sustain life.
D. Blood was pumped from the heart, through the body, and back to the heart.
Answers
Answer:
A. Food was turned into blood, and when it reached the heart it was mixed with air to make 'spirit.'
Explanation:
Galen believed a theory of pneuma. That is, he believed that blood contains "vital spirits" released into it by the brain.
According to the fluid-mosaic model of a cell membrane, the main component of a membrane is:______
Answers
Answer:
phospholipids
Explanation:
phospholipids are a type of lipid that make up the cell membrane they are amphipathic meaning they have both hydrophobic parts which do not readily mix with water and hydrophilic parts which mix with water
Which of the following would NOT affect a baby's size?
A. Both parents are very small.
B. The father eats poorly during the pregnancy.
C. Mother smokes while pregnant.
D. The mother eats poorly during the pregnancy.
Reset Selection
Answers
Answer:
B
Explanation:
What the father eats would not affect the size of a baby
When mites or fleas live in a dog's fur, what type of relationship is it?
A. Predatory
B. Parasitic
C. Mutualistic
D. Monogamous
Answers
When mites or fleas live in a dog's fur, it represents a type of relationship known as a Parasitic relationship. Thus, the correct option is B.
What is the Species relationship?The species relationship may be defined as a process through which the population of one species interacts with the population of another species that lives in the same locality for the purpose of food, space, and shelter.
A parasitic relationship is when one group of organisms known as parasites live on another group of organisms known as hosts and negatively harm it as well as possibly induce death.
The same principle is applied to the mites or fleas that live on dogs' fur. These species gradually cause disease in dogs using hosts machinery and provoking death.
Therefore, when mites or fleas live in a dog's fur, it represents a type of relationship known as a Parasitic relationship. Thus, the correct option is B.
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Expiratory reserve volume (ERV) You ask your lab partner to inspire a normal tidal inspiration, and breathe out a normal tidal expiration, then exhale as forcibly as possible into the spirometer mouthpiece. As before, several measurements were taken. a. Measurement 1: 800 b. Measurement 2: 850 c. Measurement 3: 780 2 10 points
Calculate the average expiratory reserve volume (ERV). Round to the nearest whole number. Your lab partners average expiratory reserve volume (ERV) is
Answers
The average expiratory reserve volume or ERV is 810.
What is expiratory reserve volume?Expiratory reserve volume or ERV is the amount of air that is exhaled forcibly.This can be measured using a spirometer and is used to detect restrictive lung diseases.It is the maximum amount of air that can be exhaled after normal tidal volume is exhaled.Respiratory volume is the volume of air which is either inhaled, exhaled or stored in your lungs.The doctors estimate the reserve volume with the help of spirometer to determine some lung diseases.Once diagnosed with a lung disease, spirometry is used to monitor it.Here, 3 readings of ERV are taken, calculate the sum of the these and divide by 3 to calculate the average ERV.ERV= (800+ 850+ 780)/ 3= 810Learn about tidal volume here:
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