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ruslelena [56]
3 years ago
13

Describe how a eukaryotic cells chromosomes change as a cell prepares to divide

Biology
2 answers:
dusya [7]3 years ago
6 0
Describe<span> how </span>eukaryotic cell's chromosomes change as a cell prepares to divide<span>. Before </span>cell<span> division each </span>chromosome<span> is replicated. At the beginning of division each </span>chromosome<span> has two daughter chromatids. ... A scientist treats </span>cells<span> with a chemical that prevents DNA synthesis.</span>
OlgaM077 [116]3 years ago
5 0
<span>Before cell division each chromosome is replicated. At the beginning of division each chromosome has two daughter chromatids. </span>
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What is the purpose of RNA​
valina [46]

RNA, in one form or another, touches nearly everything in a cell. RNA carries out a broad range of functions, from translating genetic information into the molecular machines and structures of the cell to regulating the activity of genes during development, cellular differentiation, and changing environments.

-google

7 0
2 years ago
Read 2 more answers
Which two body systems, when working together, give your body shape and allows you to move around?
Iteru [2.4K]

The answer is; the skeletal system and the nervous system

The skeletal system (muscle and bone) give you rigidity and enable your legs to support your weight. The muscles also act on the bone as a fulcrum allowing it possible for them to contract and make motion possible.

The nervous system   is important in the coordination of movement. The brain is the center for locomotor action. This ensures you are able to place one foot in front of the other in sequence and moving your arm in concert.  


7 0
3 years ago
Which of these is NOT a way that large molecules, like glucose, can enter a cell?
WITCHER [35]
Hello There! ^_^

Your question: Which of these is NOT a way that large molecules, like glucose, can enter a cell..?

Your answer: Diffusion through the cell membrane is not a way that the large molecules, like glucose, can enter a cell.

The answer is option A.

Happy Studying! =)




7 0
3 years ago
Read 2 more answers
Alkaptonuria is an infrequent autosomal recessive condition. It is first noticed in newborns when the urine in their diapers tur
Arisa [49]

Answer:

See the answer below

Explanation:

Let the disorder be represented by the allele a.

Since the disease is an autosomal recessive one, affected individuals will have the genotype aa and normal individuals will have the genotype Aa or AA.

Since the four adults are carriers, their genotypes would be Aa.

                    Aa     x     Aa

Progeny:    AA    2Aa    aa

Probability of being affected = 1/4

Probability of being a carrier = 1/2

Probability of not being affected = 3/4

(a) The chance that the child second child of Mary and Frank will have alkaptonuria = 1/2

(b) The chance that  the third child of Sara and James will be free of the condition = 3/4

(c)

(d) If someone has no family history of the disorder, their genotype would be AA.

                 AA     x     aa

                        4 Aa

<em>The chance that a child with alkaptonuria will have an offspring with alkaptonuria if the child's mate has no family history </em>= 0

(e)

(f) <em>The chance that a child with alkaptonuria will have an offspring with alkaptonuria if the child's mate has no family history</em> = 0

5 0
3 years ago
Your family prepared an emergency plan in case of a natural disaster. Look at the list below and then select one additional item
tino4ka555 [31]

Answer: A safe place in the neighborhood seems the most reasonable or  D

Explanation:

A map of the house  wouldn't make sense because im pretty sure they would know around there house. An enlarges picture of each family member would also not make sense because it is just not helpful at all. A wallet card for each family wouldn't help them in there situation. A safe place for the family pet would help the pet but not everyone in the house so no. A list of friends for each family member would really be useful.

6 0
1 year ago
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