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mote1985 [20]
4 years ago
7

1. When during the cell cycle is a cell's DNA replicated?

Biology
2 answers:
lara31 [8.8K]4 years ago
7 0
1)C S phase 2) B interphase, prophase, metaphase, anaphase, telophase 3) A 4) C
Sindrei [870]4 years ago
4 0

Answer: The answers are:

1- C) S phase

2-A) Prophase, Metaphase, Anaphase, and Telophase.

3-A) A. They help separate the chromosomes.

4)C) A cell plate

Explanation:

1-during the S phase (Synthesis phase) of Interphase. Interphase is basically the daily life cycle of the cell. Cells spend most of their life in Interphase before Mitosis occurs

2-Mitosis consists of four basic phases: prophase, metaphase, anaphase, and telophase. These phases occur in strict sequential order

3 Spindle Fibers equally divide the chromosomes in a parental cell into two daughter cells

4-The cells of land plants, unlike animal cells, have a cell wall made of stiff sugars which surround their cell membranes.

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You observe a population of three-toed frogs that lives in the cloud forests of Panama. In this population, you observe the foll
goblinko [34]

Answer:

0.1460

Explanation:

Total population size= 411 + 911 + 800 = 2122

Let's assume that the population is in Hardy Weinberg Equilibrium.

Under these conditions, frequency of recessive allele (a)= 911 x 2 + 800 / 2122 x 2   = 2622/4244= 0.6178 .

This is because each homozygous recessive genotype has two copies of the recessive allele while each heterozygous dominant genotype has one copy of the recessive allele.  

For this population to be under Hardy Weinberg Equilibrium, frequency of dominant allele (A) = 1- 0.6178= 0.3822

Frequency of homozygous dominant genotype (AA) = 0.1460

6 0
3 years ago
Which cells in the leaf are green?
Leviafan [203]
The cell that is green is chlorophyll
5 0
4 years ago
The active form of vitamin d is
madreJ [45]
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regulation in the human body. The role of vitamin D is shown in orange. Vitamin D is carried in the bloodstream to the liver, where it is converted into the prohormone calcifediol. Circulating calcifediol may then be converted into calcitriol, the biologically active form of vitamin D, in the kidneys.
8 0
3 years ago
Is endoplasmic reticulum found in a plant cell?
Marina86 [1]

Answer:

It can be found in both animal and plant cells.

Explanation:

The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function.

5 0
3 years ago
Rna polymerases carry out transcription at much lower rates than dna polymerases carry out replication. Why is greater efficienc
elena-14-01-66 [18.8K]

Answer:

DNA polymerase is responsible for the catalysis of the replication of a vast region of DNA and the efficiency/speed of the replication is necessary to complete the replication process swiftly.

Explanation:

The difference between replication and transcription, is that in the replication process the DNA is making more copies of itself and in transcription, the DNA is being copied into RNA. DNA replication occurs in preparation for cell division, and transcription occurs in preparation for protein translation

8 0
3 years ago
Read 2 more answers
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