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icang [17]
3 years ago
8

What source of energy typically starts all food chains?

Biology
1 answer:
bearhunter [10]3 years ago
7 0
The energy of the sun.
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What does an enzyme’s structure have to do with a catalytic activity?
igomit [66]

Answer:

Explanation:

The proteins in enzymes are usually globular. The intra and intermolecular bonds that hold proteins in their secondary and tertiary structures are disrupted by changes in temperature and pH. This affects shapes and so the catalytic activity of an enzyme is pH and temperature sensitive.

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3 years ago
Nylon is a material made by humans. A nylon factory released wastewater containing small pieces of nylon into a pond. Some
Dennis_Churaev [7]

Answer: C. The mutation resulted in a beneficial trait that enhanced survival.

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The bacteria was able to "evolve" and adapt to the Nylon being in its environment.

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3 years ago
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Imagine that a zoo in Sri Lanka has started an elephant-breeding program. Zookeepers have introduced an Indian and Sri Lankan el
vampirchik [111]

Answer:

An enhanced offspring...

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The results can be different because of its theoretical basis. when two elephants of different kinds mate they produce an offspring that has adaptable qualities of both parents. Well, now-a-days this way of mating is not prefered by different elephant species.

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3 years ago
What is needed in order to give the DNA polymerase a place to start copying DNA? How long is it? What puts it on?
zzz [600]

DNA polymerases add nucleotides to the 3′ end of a polynucleotide chain. ... To initiate this reaction, DNA polymerases require a primer with a free 3′-hydroxyl group already base-paired to the template. They cannot start from scratch by adding nucleotides to a free single-stranded DNA template.

How is DNA replicated? Replication occurs in three major steps: the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment. During separation, the two strands of the DNA double helix uncoil at a specific location called the origin.

3 0
3 years ago
Which is not used in integrated pest management?
vladimir1956 [14]

Natural ladybugs.

You can indeed use ladybugs in a pest control, but that depends on the pest. Since in the question, you don't specify what the pest is, the answer is natural ladybugs.

If the animal was something that ladybugs eat, like aphids for example, than ladybugs could be used as a pest control insect.


Hope it helped,


BioTeacher101

3 0
3 years ago
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