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antiseptic1488 [7]
3 years ago
12

A nucleotide is about to be added to a growing strand of dna. what factor determines which type of nucleotide will be added?

Biology
1 answer:
Triss [41]3 years ago
7 0
I believe it is the nitrogen base. Adenine pairs with Thymine, and Cytosine pairs with Guanine.

:)
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Pea seed color exists as green or yellow. We might say that "yellow" is an example of a (an)_ for seed color
LiRa [457]

Answer:

b. allele

Explanation:

An allele is a variant form of a gene. In this problem, there is one gene (that determines seed color) with two possible alleles (green and yellow).

<u>The other options are wrong because:</u>

The genotype is the combination of alleles an individual has.

The karyotype is an individual's collection of chromosomes, paired and ordered.

A homozygote individual has the same alleles for a particular gene.

A heterozygote individual has different alleles for a particular gene.

6 0
3 years ago
Why is it easier to demolish a building than it was to build it?
mr_godi [17]
Because to demolish you need less labor, just a simple machine meanwhile to build something you need to take time to plan it out, design, etc.
7 0
3 years ago
Make a claim about how the body's external defenses help to prevent diseases.
harina [27]

Skin prevents the body from getting infections

6 0
2 years ago
Which of the following provides evidence that all living things share common ancestors?
xxMikexx [17]

Answer:

a. All of these

Explanation:

All of these options are correct

5 0
3 years ago
Can you please help me!? ​
monitta

Answer:

You need to compare the location of bands for X and X's child. X is the mother, so the child will have half of all its bands from its mother, and the other half must be from the father. Some bands that X and X's child have in common are at around 185bp and 130bp (it is difficult for me to determine the exact position). Then look at the bands which X and X's child do not have in common. Those bands must have come from the father. So now you compare the remaining bands to all the bands of Megabucks and see if they match up. You can see a band at around 60bp that the child has. The mother did not have this band, so it must have come from the father. Megabucks does not have this band, so he is not X's father.

Explanation:

I hope this has helped you a little. The main thing to know is that a child's bands come from their mother and father, so if half the bands match up to the mum, the other half have to match up to some of the father's bands. But a child will never have the same set of bands as one of their parents - it will be a mix of both parents' bands.

6 0
2 years ago
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