If a cell has 24 chromosomes during interphase then after mitosis or mitotic division it will have 24 chromosomes.
Interphase is the resting phase between successive mitotic divisions of a cell, or between the first and second divisions of meiosis.
Mitosis or mitotic division is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
If a cell has 24 chromosomes during interphase then the daughter cell resulting from mitotic division or mitosis will have 24 chromosomes.
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Resistant and nonresistant E. coli bacteria samples were spread on the agar plates below and incubated for 24 hours. Select the true statements from the list below.
The resistant E. coli strain grows on streptomycin negative plates.The resistant E. coli strain grows on streptomycin negative plates.
The nonresistant E. coli strain grows on streptomycin negative plates.The nonresistant E. coli strain grows on streptomycin negative plates.
The nonresistant E. coli strain grows the same on streptomycin positive or negative plates.The nonresistant E. coli strain grows the same on streptomycin positive or negative plates.
The resistant E. coli strain grows on streptomycin positive plates.The resistant E. coli strain grows on streptomycin positive plates.
Both resistant and nonresistant E. coli strain show no growth on streptomycin positive plates.Both resistant and nonresistant E. coli strain show no growth on streptomycin positive plates.
The nonresistant E. coli strain shows more growth on the streptomycin positive than the resistant E. coli strain.
The true sentences are:
(A). The resistant E. coli strain grows on streptomycin-negative plates. The nonresistant E. coli strain grows on streptomycin-negative plates.
E. coli is a type of bacterium that is frequently found in the intestines of people and other animals. Some strains of this bacterium have the potential to cause extremely serious food poisoning.
The population of E. coli that is highly streptomycin resistant belongs to the streptomycin-positive strain, whereas the negative strain has the reverse effect.
That's why it's imperative to only choose a streptomycin-positive strain of the E. coli bacterium if you wish to grow up a significant number of streptomycin-resistant bacteria.
Therefore, you would need to select a colony of the bacteria from the streptomycin-positive plate and allow it to develop on a streptomycin-positive plate if you wanted to build up a big quantity of streptomycin-resistant E. coli.
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a phenotypically normal couple seek genetic counseling because the man's karyotype showed that his chromosomes had a reciprocal translocation between chromosomes 4 and 12. because the translocation is reciprocal there was no genetic information lost and he is healthy; however, he and his wife want to know the probability that his sperm cells will be abnormal. which fraction of his sperm cells is predicted to carry at least one chromosome with a translocation?
Three-fourth will have at least one chromosome with a translocation; the other 1/4 will carry normal chromosomes 4 and 12.
A karyotype is an person's entire set of chromosomes. The term additionally refers to a laboratory-produced image of someone's chromosomes isolated from an man or woman cell and arranged in numerical order. A karyotype may be used to look for abnormalities in chromosome range or structure.
Analyzing chromosomes through karyotyping allows your medical doctor to determine whether there are any abnormalities or structural problems inside the chromosomes. Chromosomes are in nearly every cellular of your body. They include the genetic material inherited from your mother and father.
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Repeated irrigation in dry climates leads to accumulation of salts in the upper layers of the soil, a process called ____.
Repeated irrigation in dry climates leads to accumulation of salts in the upper layers of the soil, a process called salinization.
Soil salinity is the amount of salt in the soil. The process of increasing the salt content is called salinization. Salt is a naturally occurring compound found in soil and water. Salinization can be caused by natural processes such as mineral leaching or the withdrawal of salt deposits from the oceans. Salinization can also occur due to human activities such as irrigation.
Causes of soil salinity
The accumulation of too much salt, especially on the surface, is caused by the movement of salt through the capillary process from the part in the soil which is filled with liquid with dissolved salts, to the surface. The evaporation process draws liquid from the soil to the surface, and the evaporated liquid leaves salt on the soil surface. Concentrated salt can also come from chemical fertilizers.
Salinization is a process caused by:
- high salt content in water
- landscape features that cause salt to move through the movement of groundwater
- climatic factors that cause salt accumulation
- human activities such as logging, irrigation, aquaculture, and salting to melt snow and ice.
- The high salt content causes soil degradation and vegetation is unable to grow on it.
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retroviruses multiple choice produce protein directly from dna. only invade plants. contain dna. produce rna from dna. contain the enzyme reverse transcriptase.
Direct protein synthesis from DNA occurs in retroviruses. comprise DNA. from DNA, make RNA. simply plants invading. contain reverse transcriptase as an enzyme.
Why do you use the term "retrovirus"?(REH-troh-VY-rus) A category of virus whose genetic material is RNA rather than DNA. Reverse transcriptase is an enzyme that is used to integrate into the DNA of the host cells. This enables the virus to replicate often in the host cells.
What makes retroviruses unique?Because they multiply by reversibly encoding their genes into host cells, retroviruses are special. The most well-known retrovirus to infect people is HIV. Different species have been found to contract other retroviruses.
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Mold is made up of many fungi cells. Mold would be considered what type of organism?.
Mold is considered a multicellular organism, made up of many fungi cells. Thus the correct answer is option (C) Multicellular Organism.
Multicellular organisms are made up of many cells thus it is different from unicellular organisms.
Some organisms, such as slime molds and social amoebae of the genus Dictyostelium, have both uni- and multicellular structures. These include every type of animal, as well as most fungi, terrestrial plants, and algae.
Colonies of identical individuals that come together to form organisms are called colonies. However, it can be difficult to distinguish between "colonial protists" and "real multicellular organisms" because the terms are interchangeable (colonial protists are occasionally referred to as "pluricellular").
A fungus with many cells is called mold. It is made up of hyphal filaments, which can group together to form mycelia. A mycelium is a collection of mycelia, and these structures make up the thallus, or body, of the mold.
The complete question is:
Mold is made up of many fungi cells. Mold would be considered what type of organism?
A. unicellular
B. prokaryotic
C. multicellular
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two martians fall in love and marry. one martian is homozygous for red eyes and the other is heterozygous. the recessive eye color is purple. what is the probability that they will have a child with purple eyes (assuming martians have similar genetics to humans)?
In terms of red eyes, one Martians is homozygous while the other is heterozygous. Purple eyes are recessive in color. Because it will be 50% homozygous (AA) and 50% heterozygous, there is 0% chance.
To have purple recessive eyes, we must have at least one recessive pair (aa).AA × Aa , there will be no progeny which shows aa genotype Each gene has two alleles that an individual inherits from each parent.
When a characteristic is recessive, both of the (recessive) alleles of the gene that causes the trait must be present for the trait to manifest. When just one copy is present, a recessive allele does not create a characteristic at all.
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What are the effects of fossil fuels in the in environment ?
Answer:
1. release large amounts of carbon dioxide
2. releases green house gas which traps heat into the atmosphere
3. air pollution/ global warming
4. can cause acid rain
Explanation:
PLSSS HELP IF YOU TURLY KNOW THISS
Answer:
It’s D
Explanation:
Answer:
d) Decomposer
Explanation:
Decomposer is the organism that digests the waste and remains of dead producers and consumers. Therefore, the option (d) is the correct answer.
a species of grass has a haploid number of 18. how many different types of gametes can be produced from meiosis in a diploid individual just with independent assortment (no crossing over)?
There are 2 x 10^18 types of gametes that can be produced from meiosis in a diploid individual just with independent assortment.
Meiosis is a type of cell division that halves the number of chromosomes in the mother cell and produces four gamete cells. The nuclei of cells in the G2 phase have twice the DNA content compared to cells in the G1 phase. Mitosis creates two identical daughter cells, each containing the same number of chromosomes as the parent cell.
In contrast, meiosis produces four unique daughter cells each with half the chromosomes of the parent cell. A specific formula 2n is used to calculate the total number of gametes produced by a particular genotype. where n is equal to the number of heterologous alleles found for the genotype. Here, a given genotype consists of two heterologous alleles, Bb and Cc, and one homozygous allele AA.
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intervertebral discs comprised of fibrocartilage are found within what type of joints? multiple choice question. symphyses syndesmoses synchondroses sutures
Intervertebral discs comprised of fibrocartilage can be found at the symphyses.
Intervertebral discs are discs made of cartilage that function to prevent spinal structures from rubbing against each other and serve as cushions for the spine. Cartilage which is made of dense, clear, bluish-white and very strong material has two types of joints, one of which is the symphysis joint where the bones are connected by flat fibrocartilage discs which remain unhardened throughout life., for example, the intervertebral disc and pubic symphysis which join the pub part of the right and left vertebrae. For this reason, the symphysis joint is often referred to as a fibrocartilaginous joint.
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Answer:
C
Explanation:
Answer:
c) Herbivores
Explanation:
The consumer that only eats producers is called as herbivores. Therefore, the option (c) is the correct answer.
DNA polymerase repairs mistakes made durring DNA replication true or false
Answer: True
Explanation:
DNA polymerases from many species, including bacteria, viruses and eukaryotes, possess a 3′–5′ proofreading exonuclease activity which removes misincorporated bases from extending primers, thereby improving fidelity.
what happens to the number of atp in aerobic glucose catabolism if pyruvate could not become oxidated?
The number of ATP in aerobic glucose catabolism if pyruvate could not become oxidated is converted produce heat.
Approximately 40% of the glucose's available energy is converted into ATP via aerobic respiration. Your comparatively high body temperature is produced by the remaining 60% of your body, which is wasted as heat. Although 40% efficiency may appear low, the top car engines are several times more efficient.
The vast majority of life on Earth uses aerobic cell respiration because it is superior to anaerobic respiration. However, using oxygen includes some expenses. Cellular processes can change oxygen into toxic forms that harm biological molecules. Because of this, you would perish within a few days if forced to breathe 100% oxygen instead of the 21% of our current atmosphere.
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Is good a limiting factor for plants? Why or why not?
Answer:
In the natural world, limiting factors like the availability of food, water, shelter and space can change animal and plant populations. Other limiting factors, like competition for resources, predation and disease can also impact populations.
Explanation:
A teacher wants to know whether the scent of citrus in the classroom influences students' performance on the SAT math test.
During a first-period class, the teacher administers the test as usual with no fragrance in the room and records the students' scores.
During the second period, a different group of students enter the room. The teacher sprays the room with a citrus fragrance and administers the same math test. The teacher records the students' scores.
In this study, what is the independent variable and what is the dependent variable?
A. The independent variable is the teacher's first-period class, and the dependent variable is the second-period class.
B. The independent variable is the classroom, and the dependent variable is the teacher.
C. The independent variable is the score on the math test, and the dependent variable is the citrus smell.
D. The independent variable is the citrus smell, and the dependent variable is the score on the math test.
In this study, the option that is the independent variable and the dependent variable is C. The independent variable is the score on the math test, and the dependent variable is the citrus smell.
Which variable is dependent and which is independent?In mathematical modeling, statistical modeling, and experimental sciences, there are dependent and independent variables. Dependent variables are so-called because, during an experiment, their values are examined on the assumption or presumption that they are governed by the values of other variables.
Note that the cause is the independent variable. Its value is unaffected by the other study variables. Effect is the dependent variable. Changes in the independent variable affect its value.
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what would be the effect of swapping the dna-binding domain of a eukaryotic activator with a different dna-binding domain? multiple choice question.
The activator's ability to activate a target promoter is unaffected by the replacement of the DNA binding domain, which just changes the site at which it will function.
An activator protein binds to something, but what happens after it binds?The DNA regulatory sites close to the promoter regions, which function as on/off switches, are where activator proteins interact. This binding promotes the activity of the RNA polymerase and the transcription of adjacent genes.
How do activator proteins function in eukaryotic cells?Gene expression in a eukaryotic cell must be activated by transcriptional activators. RNA polymerase II can be drawn to the promoter or extended with the help of activators attached to the enhancer.
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fusion of an endocytic vesicle containing an enveloped virus with an endosome promotes uncoating because of
It’s because of the degradative enzymes and low pH inside the endosome.
What is an enveloped virus?
A virus which has an outer covering/envelope is considered an enveloped virus. This outer covering is formed during a process called budding off and the outer covering comes from the infected host cell. Newly created virus cells get enveloped in an outer coat, made of small piece of plasma membrane of cell during the budding process.
The vial genome is released inside host cell due to uncoating of the viral cell. During Uncoating, the capsid gets removed, thereby releasing the viral genome into host cells, after which gene replication and transcription takes place.
Hence, the uncoating of virus takes place due to degradative enzymes and low pH inside of the endosome.
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xhegg which phase of the action potential would be most affected by poisoning of the sodium-potassium atpase?
When the sodium-potassium at phase is poisoned, the action potential's rising phase is most likely to be impacted.
What impact does action potential have on sodium-potassium pump?The action potential created by nerve cells is significantly influenced by the sodium-potassium pump. The reason this pump is known as a P-type ion pump is that the ATP interactions phosphorylate the transport protein, changing its shape.
Why do potassium channels block affect the action potential?Action potentials are terminated, hyperpolarization occurs, and excitability decreases as a result of activation, which also increases conductance. When the channels are blocked, on the other hand, depolarization, prolonged action potentials, repetitive firing, and increases in transmitter release and endocrine activity result.
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which new fossil find would favor the arboreal hypothesis for primate origins over the visual predation hypothesis?
According to the visual predation hypothesis, features of primates evolved as a result of their ability to hunt insects and other small animals.
What is hypothesis the meaning?In a scientific setting, a hypothesis (plural: hypothesis) is a tested claim regarding the connection between two or more factors or a suggested explanation for a phenomenon that has been observed.
What is an example of hypothesis?Several illustrations of basic hypotheses: In comparison to kids who skip breakfast, those who eat breakfast perform better on arithmetic exams. "Pupils who have test anxiety first before English exam do worst than the pupils who do not suffer from anxiety levels," complex.
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How can Base Substitutions, Deletions, and Insertions cause changes in DNA and possibly lead to new traits.
Base Substitutions, Deletions, and Insertions cause changes in DNA and possibly lead to new traits through mutation process
DNA is a dynamic and adaptable molecule and as such the nucleotide sequence found within it are subject to change as the result of a phenomenon called mutation and depending on how a particular mutation modifies an organism genetic makeup and it can prove harmless and helpful and sometime a mutation may even cause dramatic changes in the physiology of an affected organism and mutation can be grouped into two main categories based on where they occur and that are somatic mutation and germ line mutation
Base Substitutions : they involve the swamping of one nucleotide for another during DNA replicationDeletions : is the type mutation that involve the loss of one or more nucleotides from a segment of DNA Insertions : is the type of mutation that involves the addition of one or more nucleotides from a segment of DNAKnow more about Base Substitutions
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Paul has been sick for several days and has
a fever of 102. A few days ago, he visited
the ER, where the attending physician
diagnosed him with a bacterial infection. It's
been 3 days, but Paul's body has been
unable to fight the infection.
Bloodwork has been completed and lab
results indicate that the vacuoles in Paul's
white blood cells are successfully trapping
the bacteria; however, the organelle
responsible for releasing enzymes that
break down the bacteria's cell walls is not
working properly.
Which organelle
is malfunctioning?
Diabetes, heart disease, Alzheimer's, Parkinson's, and even normal aging have all been related to dysfunctional mitochondria.
What do the makeup and purposes of mitochondria entail?Cell organelles called mitochondria, which are membrane-bound, generate the majority of a chemical energy needed to power a cell's metabolic processes (plural: mitochondrion). The chemical energy produced by the mitochondria is stored in a little molecule called adenosine triphosphate (ATP).
What do mitochondria have importance?As the energy generators in almost every human cell (as well as those of animals, plants, and fungi), mitochondria play a crucial part in generating energy to power cellular function and pretty much all of our biological activities.
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in an isotonic solution, the amount of solutes inside the cell is _____ to the amount of solutes inside the cell
Answer:
isotonic
Explanation:
Which is true of all marine ecosystems?
Answer:
Marine ecosystems are aquatic environments with high levels of dissolved salt, such as those found in or near the ocean.
Explanation:
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The more the altitude increases in Earth's atmosphere how does the amount of oxygen and air pressure change?
Answer:The percentage of oxygen in the air is essentially the same as at sea level (21%). However, the air pressure is 30% lower at the higher altitude
Explanation:The percentage of oxygen in the air at two miles (3.2 km.) is essentially the same as at sea level (21%). However, the air pressure is 30% lower at the higher altitude due to the fact that the atmosphere is less dense--that is, the air molecules are farther apart.
Based on the information from the laboratory about hydrolysis & your knowledge of solubility why are carbohydrates excellent sources of quick energy for organisms
Carbohydrates are excellent source for quick energy because they are easily broken down by the process of hydrolysis. This happens because carbohydrates are easily soluble in water due to the various polar OH groups attached to its carbons.
Carbohydrates are one of the most essential food component required in diet. There are three types of carbohydrates: monosaccharides, disaccharides and polysaccharides. Chemically, carbohydrates are polyhydroxy ketones or aldehydes.
Hydrolysis is the reaction where the water molecules break the bonds of the substance subjected to hydrolysis. The water itself also gets decomposed in the process.
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a(n) is a neuron that carries infromation from the external environment or from the body, back to the central nervous system
A sensory neuron is a neuron that carries information from the external environment or from the body, back to the central nervous system.
When you contact a hot surface with your fingertips, your sensory neurons will fire and transmit messages to the rest of your nervous system about the information they have just received. Sensory neurons are the nerve cells that are activated by sensory input from the environment. The brain obtains information from sensory neurons thus allowing us to sense, touch, see, smell. The brain interprets the information and sends the instruction back to the muscled using motor neurons and thus allowing us to act accordingly.
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CAN SOMEONE HELP ME PLS!!!??:(
If one DNA strand reads CCGTAATGCAT, what will be the sequence of the complementary strand?
which lewis antigen(s) would be detected when phenotyping the red cells of an adult who has the le, se, and h genes?
Once the secretor (Se) genes is missing is the Lea antigen present upon that red blood cell membrane.
What are the 4 types of cells?Epithelial cells, which are closely bonded to one another, nerve impulses, which are specialized in communication, muscle cells, which are specialized in contraction, and connective tissue cells are the four primary cell types.
Where are cells found?Upon the earth, there really are living cells wherever unless it is sterile. If you run your hands along a smooth metal gate, you will likely find pollen, bacterial, fungal, and green algal cells (even wood is made up of dead plant cells).
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which of the following statements about sodium and potassium is false? group of answer choices processed foods are a major source of both sodium and potassium. both participate in maintaining fluid balance. both are major electrolytes in the body. both are involved in nerve signal transmission.
Processed foods are a major source of both sodium and potassium is the false statement
The correct statement should be : Processed foods tend to be low in sodium and high in potassium.
Other statements :
sodium and potassium both participate in maintaining fluid balance. sodium and potassium both are major electrolytes in the body.sodium and potassium both are involved in nerve signal transmission.To learn more about Processed foods click here
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