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KiRa [710]
3 years ago
10

A somatic cell of a ferret contains 40 chromosomes.How many will it have after mitosis?​

Biology
2 answers:
adell [148]3 years ago
7 0

Answer:

The answer is it will have 40.

Explanation:

After mitosis the daughter cells have the same amount as the parent cell.

Westkost [7]3 years ago
7 0

Answer:

40

Explanation:

In a mitotic cell division, the number of chromosomes remains constant. It is so because the chromosomes are replicated to produce chromatid which during cell division is equally distributed in all the daughter cells thereby preserving the chromosome number.  

For instance - if the somatic cell has 40 chromosomes then these chromosomes will duplicate to produce 80 chromatid. After the cell division, two daughter cells will be formed with each having 40 chromosomes.  

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increasing intracellular cAMP leads to smooth muscle relaxation by: Group of answer choices inhibiting IP3 channels, leading to
kirza4 [7]

Answer:

1. Inhibiting IP3 channels, leading to decreased Ca2 in the sarcoplasm and reduced contraction.  

2. Increasing the relative activity of MLCP, leading to a decrease in tension.

3. Activating K channels, increasing K leaking out of the cell which hyperpolarizes it and decreases the likelihood of Ca2 entry.

Explanation

In smooth muscle, cyclic AMP (cAMP) mediates relaxation because cAMP inhibits a specific kinase required for myosin light chain protein (MLCP) phosphorylation, thereby triggering contraction in the smooth muscles. It has been shown that cAMP inhibits 1,4,5-trisphosphate (IP3)-dependent calcium ions (Ca 2+) release by activation of the cGMP-dependent protein kinase (PKG). PKG proteins act to modulate Ca2+ oscillations by stimulating sarcoplasmic Ca2+-ATPase membrane proteins, increasing Ca2+ in the sarcoplasmic reticulum stores and Ca2+ efflux from the cells, and activate voltage-gated potassium (K) channels, thereby leading to membrane hyperpolarization and reducing Ca2+ entry through Ca2+ channels.

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2 years ago
Structure such as the human tailbone or appendix that evolution has reduced in size because it is no longer used 2. study of the
yarga [219]
1. Structure such as the human tailbone or appendix that evolution has reduced in size because it is no longer used = d. vestigial structure

2. study of the similarities and differences in the structures of different species:
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3. structure that is similar in related organisms because it was inherited from a common ancestor: = c. homologous structure

4. study of the similarities and differences in the embryos of different species: study of the similarities and differences in the embryos of different species = j. comparative embryology

5. scientist who finds and studies fossils to learn about evolution and understand the past:
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6. mistaken idea of jean baptiste lamarck that evolution occurs through the inheritance of traits that an organism develops in its own lifetime: = h. inheritance of acquired characteristics

7. process by which a single species evolves into many new species to fill available niches:
= e. adaptive radiation

8. relative ability of an organism to survive and produce fertile offspring: = k. fitness

9. structure that is similar in unrelated organisms because it evolved to do the same job, not because it was inherited from a common ancestor: = f. analogous structure

10. study of how and why plants and animals live where they do: = a. biogeography

11. process in which organisms evolve traits useful to humans because people select which individuals are allowed to reproduce and pass on their genes to successive generations:
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8 0
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Answer:

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Explanation:

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Answer:

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According to the principal of dominance, if a recessive gene for tallness is paired with another recessive gene for tallness, th
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