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Gala2k [10]
3 years ago
14

To make a copy of a dna molecule, half of an old strand is matched to a new strand. what is this called?

Biology
1 answer:
emmasim [6.3K]3 years ago
7 0
Half of an old DNA strand is matched to a new strand, this is called semi-conservatism
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How do mutations cause genetic variation?
ohaa [14]
Mutations<span> lead to </span>genetic variation<span> by making random changes in an organism's genetic code. This can </span>causes<span> a different protein to be created or none at all.</span>
6 0
3 years ago
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The direction that an ocean current travels can be altered by the movement of the Earth's rotation on its axis. This is known as
ollegr [7]

The direction that an ocean current travels can be altered by the movement of the Earth's rotation on its axis. This is known as the Coriolis effect.

<h3>What is Coriolis effect in simple terms?</h3>

Coriolis effect is the result of Earth's rotation on weather patterns and ocean currents. The Coriolis effect makes storms swirl in the clockwise direction in the Southern hemisphere while on the other hand, storms counterclockwise in the Northern Hemisphere. This effect can cause change in the direction of the ocean current due to the rotation on its axis.

So we can conclude that the direction that an ocean current travels can be altered by the movement of the Earth's rotation on its axis. This is known as the Coriolis effect.

Learn more about ocean current here: brainly.com/question/1145641

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4 0
1 year ago
What happens to a virus involved in the lysogenic cycle?
-Dominant- [34]

Answer:

The lytic cycle involves the reproduction of viruses using a host cell to manufacture more viruses; the viruses then burst out of the cell. The lysogenic cycle involves the incorporation of the viral genome into the host cell genome, infecting it from within.

5 0
3 years ago
In a maternity ward, four babies become accidentally mixed up. The ABO blood types of the four babies are known to be. Baby Jane
nydimaria [60]

Answer:

See explanation

Explanation:

We inherit our blood groups from both parents. Our blood type is controlled by a single gene. This gene displays 3 different allelic pairs which must include A, B or O.  A child is expected to receive one of the three possible allelic pairs from each of the both parents. This means that there are six possible genotype and four possible phenotype for the child.

Given that Christopher's parents (Andersons) are AB and O,Christopher can have a B blood group.

Given that John's parents (Browns) are A and O, it explains how John can have blood group A.

Given that The Christiansons are A and AB, they can give birth to Robin whose blood group is AB.

Since the Dietrichs are O and O, the only possible blood group of their child is O, hence they are definitely the parents of Jane.

7 0
3 years ago
Why did the five-kingdom system of classification fall out of favor?
LenKa [72]

Answer:

Answer is B. It did not reflect the actual evolutionary relationships among organisms very well.

Explanation:

The five-kingdom system of classification was initiated or formed by Robert H. Whittaker in 1969. And it involved the Kingdoms monera, fungi, protista, animalia and plantae.

This classification system was regarded as not so good because of placement of some certain organisms. For example, in the classification system, unicellular algae were put under the kingdom protista, when other multicellular organisms like algae were being classified under the kingdom Plantae.

3 0
3 years ago
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