Answer: Singing , as whistleing does not even involve your larynx
Explanation:
Which of the following groups of organisms contains a cell wall?
I. Plantae
II. Animalia
III. Fungi
IV. Eubacteria
Bb mates with BB?
Select one:
O a. All of the offspring will exhibit the
recessive trait.
O b. The dominant trait will show up in
about 75% of the offspring.
O c. All of the offspring will exhibit the
dominant trait.
O d. The recessive trait will show up in
about 50% of the offspring.
In complete dominance, the dominant alleles hide the expression of the recessive allele. Option C. All of the offspring will exhibit the
dominant trait.
What is complete dominance?
Complete dominance occurs when one of the alleles -the dominant one- completely hides the expression of the other allele -the recessive one- in heterozygous individuals.
Cross: BB x Bb
Gametes: B B B b
F1)
50% of the progeny will be homozygous BB
50% of the progeny will be heterozygous Bb
100% of the progeny will express the dominant trait.
The correct option is C. All of the offspring will exhibit the dominant trait.
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Compare the Viking 1 and 2 probes to the Pathfinder probe that landed on Mars in 1997. How was their technology different?
Mariner 4 and 9 and Viking 1 and 2 probes needed enhanced cameras and wireless communication equipment to take images of Mars's surface and send them back to Earth. According to the video, how did improving our technology lead to new discoveries about Mars?
Using internet resources, describe how advances in imaging and wireless communication for space exploration have led to changes in imaging devices and communication on Earth?
Mars Odyssey and Mars Express required spectrometric equipment that could analyze Mars's atmosphere and surface composition and temperatures. Using internet resources, describe some home or business technologies that use spectrometric equipment to analyze the atmosphere or temperature?
Using internet resources, research one space probe described in the video. Describe its goals and justify its purpose by explaining how it helped advance our understanding of the universe?
HELP PLEASE!
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Improving our technology lead to new discoveries about Mars because the new technology helps us to find more information about the environment of the Mars planet.
How did improving our technology lead to new discoveries about Mars?Scientists use Terrain-Relative Navigation which is a device due to which the Perseverance rover can estimate its location while moving through the atmosphere of Mars on its parachute. Improvement in our technology lead to new findings about Mars. The new technology helps us to collect more data about the Mars planet.
So we can conclude that Improving our technology lead to new discoveries about Mars because the new technology helps us to find more information about the environment of the Mars planet.
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Answer:
1. Viking 1 and Viking 2 probes transmitted panoramic views of the red and rocky soils back to Earth after six years later. The Pathfinder probe sent back large amounts of data of the environment especially about climatic variations in only three months. You can tell the technology was very different between these two because of how long it took for each probe to gather data.
2. In 1965, Mariner 4 and 9 probes found geological formations (Olympus Mans). The Mariner 4 sent back the first image of Mars. The Mariner 9 found erosion marks that indicated that there was once water on Mars. In 1976, the Viking 1 and 2 probes transmitted panoramic views of the soils. From 1965 to 1976, they were able to discover more about Mars over improving the technology. When the Viking probes were launched, we discovered more than when the Mariner probes were launched. For example, we were able to uncover how red and rocky the soils were.
3. We now receive information differently thanks to wireless technology. For instance, we now have computers and phones that let us contact someone by simply pressing a button. GPS may now be used to display various places. Additionally, we can now forecast the weather. We can know the weather for every day because forecasters have access to a ton of technology. Thus, we now substitute archaic methods for digital ones.
4. Fire alarm and air conditioning systems include technologies that incorporate various communication systems that enable them to react to changes in the atmosphere or temperature. Therefore, when the atmosphere's temperature fluctuates, they are utilized.
5. Viking 1 and 2 were used to find life on Mars. Since they launched the Mainer probes, they found that there was once water on Mars which later created the Viking 1 and 2 probes for further investigation. Along with finding life on Mars, they were also created to take better photos of the planet.
IUPAC name of 2,2,3-trimethyl butane
Answer:
Triptane molecular formula C7H16According to the fluid-mosaic model of a cell membrane, the main component of a membrane is:______
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
list the development from secondary oocyte to birth
What is a change in the DNA sequence that can be beneficial harmful or niether ?
Answer:
A mutation
What can cause changes in a DNA sequence?
A mutation is a change in the DNA sequence. There are several different methods by which mutation happens. Of course, chemically produced mutations receive the most media attention. There are a wide range of substances that can cause mutations, usually by attaching to the DNA and causing it to break, requiring an incomplete repair, or by preventing DNA replication, forcing the replication machinery to repeat the DNA poorly.
However, other factors, such as exposure to radiation or light, can also cause DNA mutations. In reality, UV and X ray light are known to cause mutations by changing the DNA's base composition or causing DNA breaks.
Mutations are also spontaneously caused by DNA replication. Although it occurs extremely infrequently, the replication complex does occasionally make mistakes and insert the incorrect DNA base, which leads to a significant amount of mutations over the course of generations.
Thank you,
Eddie
A mutation in the DNA sequence can be beneficial, harmful, or neither, depending on its impact on the organism.
Mutations—changes in the DNA sequence—can affect an organism. Mutations that improve survival and reproduction are helpful. Mutations can make an organism disease-resistant or adaptable.
Mutations can affect the organism's health or fitness. Mutations can cause genetic diseases, diminished fertility, and lower survival rates. Neutral mutations don't affect the organism's phenotypic or fitness. They may occur in non-coding DNA or silently modify the genetic code, leaving the amino acid sequence of a protein untouched.
Mutations' effects depend on their genomic location, gene function, and environment. Some mutations help evolution and adaptability, whereas others harm individuals or populations.
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What is gravity’s role in plate tectonics?
Answer:
Gravity causes them to slide downwards
gravity causes
1. everything to be pulled to the center
2. earth's tectonic plates to move
3. one plate to go under another plate
4. the plate that went under to go into the mantle
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msnucleusorg
tutor2unet
how does afforest station help to balance environment
Explanation:
The ever and ever increasing demand for wood fuel, gas, timber, building materials, and many other consumer products are exerting more and more pressure on the earth’s natural resources, living organisms, and natural cycles responsible for maintaining a balance on earth.
Natural resources such as the water systems, fertile soil, clean air, vegetation cover, wildlife, indigenous plant species, and natural cycles such as the oxygen and nitrogen cycles, and food chains need trees for their continuity and balance.
Explanation:
afforestation makes the earth a better place by reducing the carbon footprint or carbon dioxide in the atmosphere
Part C
AP wave is a type of seismic wave called a longitudinal wave, or pressure wave. Longitudinal waves occur when the
material that carries the wave is compressed and stretched. Aside from seismic waves, what is an example of a
longitudinal wave that you have observed?
Answer:
Sound wave is an another example of longitudinal wave. Sound wave is a vibration that is transmitted through a medium, such as air, water, and metals. Ultrasonic wave is defined as “inaudible sound with high frequency for human” the frequency of which generally exceeds 20 kHz. These days, sound wave which is not intended to be heard is also called ultrasonic wave.
Answer: A wave traveling through a compressed spring or a sound wave traveling through the air are examples of longitudinal waves.
Explanation: Simple answer from Edmentum
Select the correct answer from each drop-down menu.
L
The nervous system and the muscle system respond to stimuli to produce motion. The movements of
v muscles are mostly
voluntary. Involuntary movements occur in these muscles when the nerve impulse passes from a sensory neuron CO
motor neuron via
an interneuron in the
v
Reset
Next
The correct answer from the listed options is that the nervous system and the muscle system respond to stimuli to produce motion (option A).
What is nervous system?Nervous system is the organ system that coordinates the activities of muscles, monitors organs, constructs and processes data received from the senses and initiates actions.
On the other hand, the muscle is a contractile form of tissue which animals use to effect movement.
The nervous system controls the muscle, hence, it controls movement of limbs in higher organisms.
Therefore, the correct answer from the listed options is that the nervous system and the muscle system respond to stimuli to produce motion.
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Answer:
Explanation:skeletal
Spinal
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
Answer:
B
Explanation:
What the father eats would not affect the size of a baby
Which of the following are NOT criteria for the definition of a species? A. Produce fertile offspring B. Can Interbreed C. Share physiological characteristics D. Has the same DNA sequence
Answer:
C) Physical characteristics.
What happens when the number of organisms in an environment is higher than the carrying capacity? A. The population will increase slowly. B. The population remains the same. C. The population will increase quickly. D. The population will decrease.
Answer:
When the number of organisms in an ecosystem exceeds the carrying capacity, the population will decrease.
Please see the explanation!
Explanation:
The maximum that can be maintained forever is the concept of "carrying capacity." This can only be rationally understood as the highest number that can be maintained using exclusively renewable resources. It can only be exceeded by using resources more quickly than they can be replenished.
The population gets wiped out (not by old age mortality) back to the number that can be maintained using only renewable resources when those resources become limited, as they must by definition.
Remember that every population is trying to expand, therefore if a species finds a resource that it can use more quickly than it replenishes, the population will undoubtedly expand to use that newly discovered capability. Another way to put this is to say that when the species average is x newborns and the subsistence supply is steady, (x-2)/x children must perish. Less offspring must perish than the formula predicts when the species finds a new non-renewable source of food, increasing the subsistence supply.
It should be noted that there are plainly too many people in the world. Over the past few hundred years, we have developed various technologies that have increased subsistence extraction and decreased waste. Of course, we have multiplied to occupy that additional space. In order to provide enough food to sustain 7+ billion people at once, we need fossil fuels and a number of other resources that do not replenish as quickly as we use them. The last time humanity were able to maintain their population on exclusively renewable resources, there were less than 1 billion people. Be aware that we have never been able to raise subsistence production as quickly as we have sought to increase our population. We have always had an average of too many infants, as seen by the starvation-related child mortality that affects some populations.
Thank you,
Eddie
Choose any one of these properties of blood homeostasis to describe how and why substances in the blood and filtrate are secreted or reabsorbed.
Description:
The nephron uses the process of urine formation to maintain blood homeostases, such as pH balance, blood pressure, and osmotic pressure. Figure 1 shows the transport of substances between the filtrate in parts of the nephron and the blood in capillaries.
The substances in the blood are reabsorbed due to its usage in our body whereas the filtrate are secreted due to its harmful nature.
Describe how and why substances in the blood and filtrate are secreted or reabsorbed?The filtrate absorbed in the glomerulus and flows through the renal tubule, where nutrients and water are reabsorbed into capillaries that are used by the body in different processes. During this process, the waste and hydrogen ions pass from the capillaries into the renal tubule which is called secretion. Kidney is the organ where the absorption of nutrients and removal of waste from the blood occur.
So we can conclude that substances in the blood are reabsorbed due to its usage in our body whereas the filtrate are secreted due to its harmful nature.
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Name one salivary gland in humans
Salivary gland in humans ;
1) Sublingual glands
2) Submandibular glands
3) Parotid glands
Answer:
One salivary gland in humans is Parotid glands.
Hope its helpful :-)
Name each structure
Answer:
The organ is the female reproductive organ , the uterus
and the green arrow points to the cervix
From a trough to a peak, the economy goes through
The economy will then start to shrink as it descends from the peak and enters recession.
What is happening to the economy during the trough phase?The economy's growth rate declined during the depression phase. Up until the demand and supply for products and services, as well as the prices of the factors, reach their lowest point, there is still a further decrease. Eventually, the economy sinks to its lowest point. The economy enters the peak phase when it reaches its highest level of output, which marks the end of growth. After this, a contractionary phase occurs as employment levels and housing starts start to drop.
The time between an economic activity's peak and its subsequent trough, or lowest point, is known as a recession. The economic cycle between its trough and peak is one of expansion.
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Examine the Role of Lipids in Your Body Fat around organs phospholipids
Lipids are organic compound that are insoluble in water.
Lipids are derive from and give eg of lipids?
Lipids are derivative of fatty acids the example of lipids are oils, wax and steroids.
Role of lipids are:
1)They fuctions as store house of energy.
2) They are important signalling molecules
3) They serve as structural components of cell membranes.
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Phospholipids are essential structural components of brain and nervous tissue, of membranes throughout body tissues, and of lipoproteins—the runners of cholesterol and fats in the blood.
What is the role of fat and lipids in the body?
Within the body, lipids serve as an energy reserve, control hormones, transmit nerve impulses, cushion vital organs, and transport fat-soluble nutrients. Fat in food serves as an power source with high caloric thickness, adds texture and taste, and donates to satiety.
What are 4 functions of lipids in the body?The Roles of Lipids in the Body
Storing Energy. The extra energy from the food we eat is digested and incorporated into adipose tissue, or fatty tissue.Handling and Signaling. Insulating and Protective.Helping Digestion and Increasing Bioavailability.To learn more about Lipids , refer
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question is up there
(question b)
Answer:
group and 70/you have received your email
What is an example of a Scope Three carbon emission?
Answer:
examples : when we buy,use and dispose of products from suppliers.
help now look at the picture
C
Weathering and erosion break down rocks back into sediment. heat and pressure makes metamorphic rocks
the steady state theory proposed what?
A- that the density of the universe was getting bigger
B - that the density of the universe was remaining constant
C- that the density of the universe was getting smaller
D- the universe has no density
what is Hubble law ?
A- the most distant the galaxy the faster it is moving away from us
B- the more distance the galaxy the slower it is moving away from us
C- the closer the galaxy the faster it is moving away from us
D- the galaxies are not moving at all
blueshift means what?
A- an object is moving away from you
B- an object is approaching you
C- an object is not moving
D- an object is blue
which of the following did not detect the cosmic microwave background radiation?
A- Hubble space telescope
B- COBE
C- WMAP
D- penzias and wilson
Explanation:
1)steady-state theory, in cosmology, a view that the universe is always expanding but maintaining a constant average density.so the answer is B
2)Hubble's law, also known as the Hubble–Lemaître law or Lemaître's law, is the observation in physical cosmology that galaxies are moving away from Earth at speeds proportional to their distance.so the answer is A
3)B
In the water cycle shown below, which process is happening at step 3? precipitation
melting
evaporation
sublimation
Answer:
melting
Explanation:
because the water has got its freezing ponit
Answer: A: precipitation
Explanation: it is raining took the test this is the right answer
Which best explains the relationship between flying dragons and trees?
a.
Flying dragons rely on trees for a food source, but not for shelter.
b.
Flying dragons live exclusively in trees except to lay eggs.
c.
Flying dragons burrow into the tree without causing damage to the tree.
d.
Flying dragons use trees for reproduction, but get their food and shelter on the ground.
Please select the best answer from the choices provided
A
B
C
D
Answer:
b.
b.Flying dragons live exclusively in trees except to lay eggs.
Name three methods of disrupting cells before fractionation
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:
Propose five ways in which the government can ensure that the help it offers is received only by the people who are in need?
As the Sustainable Development Goals (SDGs) were being approved in late 2015, my colleagues here at ODI delivered the Projecting Progress scorecard.
What are five ways the government can guarantee that the help it offers is obtained only by the people who are in need?By encouraging the need to create cooperatives throughwhich the country can be funding them.By working with the church to identify the weak in the society so that the required help can go to the right people.By forming commitees that should be glancing at the need in the community Ensure governments and supporters have a formal process to track, review and debate progress towards achieving the ‘leave no behind’ agenda. pretending to be needy.Prioritise policies that target those most at risk, orient financing towards them, and deliver better data
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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?
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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Drag each tile to the correct location.
Sort the statements based on whether they describe the lives of small stars, large stars, or both.
The correct location of each tile is as follows:
Small stars - It becomes a white dwarf when fusion endsSmall stars - It can fuse hydrogen for billions or trillions of yearsLarge stars - It may turn into a black hole at the end of its lifeLarge stars - It becomes a neutron star after the supernova phaseBoth - It increases in size when core hydrogen is used upWhat are stars?Stars are large celestial bodies which produce heat and light energy as a result of the nuclear reactions occurring within the core of the stars.
Stars are composed mostly of hydrogen and helium gas which undergo nuclear fusion reactions.
Stars have lifespans, and the fate of the star at the end of its lifespan depend on whether they are small or large stars.
The correct description and as such location of each tile is as follows:
Stars that become white dwarves when fusion ends are Small stars.
Stars that can fuse hydrogen for billions or trillions of years are Small stars.
Stars that may turn into a black hole at the end of their lives are Large stars.
Stars that become a neutron star after the supernova phase are Large stars.
Both Large and small stars increase in size when core hydrogen is used up.
In conclusion, stars produce heat and light energy by means of fusion reactions.
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How would breathing be affected if a bullet makes a hole in the thoracic cavity?
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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