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nikdorinn [45]
2 years ago
14

DNA helicase and DNA polymerase are alike in that both are...?

Biology
1 answer:
just olya [345]2 years ago
5 0

Answer:

Both DNA helicase and polymerase are enzymes capable of binding double stranded DNA able to break the hydrogen bonds between the nucleotides. Helicase case splits  the doubled stranded helix apart so that the polymerize can start and produce the copies Hopefully this Helps!

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During sexual reproduction, two gametes merge to create a zygote that is a genetic mix of its two parents. For each statement, i
Elenna [48]

Answer:

1. 50% of the genome comes from each parent because it is crucial otherwise if the ratio changes, the zygote may not form and if formed the fetus may have some other kind of chromosome number related syndromes etc.

2.  Sexual reproduction produces greater genetic variability than asexual methods. This is because of the process of crossing over during meiosis that exchange the segments of chromosome that is necessary for producing mutations and genetic variability.

3. 50% of chromosomes match with each parent because both of the parents contributed 23 chromosomes and exactly 50% of their genome.

4. The gametes must be produced by two different individuals cause that is the main purpose of sexual reproduction and give better survival like this to the forming next generation. Not to mention produces greater genetic variability among species.

5. Plants always produces both eggs because they are hermaphroditic in nature.

7 0
2 years ago
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How does society affect science? Check all that
Lana71 [14]

Answer:

The correct answer is probably A: The needs of society help determine the types of research conducted.  For example, people are more likely to research ebola when there is an outbreak, right?  B isn't true: for example, society doesn't let scientists experiment on unwilling humans!  C is probably true, but it is more specific than A--that is, C only applies in certain cases.  Society ALWAYS applies to science.  D isn't correct either: society encourages research for the greater good,

Explanation:

7 0
2 years ago
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(this is a real question life frfr)
lianna [129]

Go to reddit, r/askteengirls or r/teenagers

You'll get better answers there

7 0
3 years ago
Explain in details the mechanism of transportation in plants​
ch4aika [34]

Answer:

Explanation:

Plant transport systems move energy from leaves and raw materials from roots to all their parts. The xylem (tissue) moves water and minerals obtained from the soil to all other parts of the plants.

6 0
2 years ago
Describe two processes of weathering and two processes of erosion that are taking place in Sam's backyard.
nika2105 [10]

Answer and Explanation:

When viewing the image of Sam's backyard, we can see the occurrence of chemical and physical weathering. Physical weathering is caused by the impact of water on rocks, which promotes the breakdown of rock particles. The chemical weathering is also caused by the water that I contact with the rock react with its elements causing chemical reactions that modify the rock.

Regarding erosion, we can consider the erosion by gravity that is common in mountainous regions, like the one shown in the photo. This type of erosion promotes the loss of mass of the rock due to the detachment and rolling of rock particles, due to gravity. We can also notice the rain erosion, created by the impact of water on the rock that detaches the fragments and transports them to other places.

8 0
2 years ago
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