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viktelen [127]
2 years ago
9

I really need help quickly

Biology
1 answer:
dusya [7]2 years ago
5 0

Answer: I think A

Explanation:

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An envelope is used by viruses to
Lerok [7]

Answer:

Spread

Explanation:

People use envelopes very often. The germs people carry are put into the envelope and then it's sent out to many others.

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2 years ago
___________ is the process by which a cell duplicates the DNA.
Licemer1 [7]

Answer:

Replication

Explanation:

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3 years ago
What is recombination and how does it work? is it the same thing as crossing-over? if an organism practiced self-fertilization,
Sever21 [200]
Recombination is the method by which organisms can randomly assort their genotypes amongst each other to create offspring with a different haplotype than either of its parents. This can be done by either copying sequences from one homologous chromosome to another (no physical exchange) or crossing over (physical exchange. 
Crossing over is a mechanism in eukaryotes by which recombination can occur, in which the two homologous chromosomes contributed by both parents literally cross over and break at certain points to exchange certain sections of the chromosomes amongst each together.
Self fertilizing organisms typically do not produce offspring that are genetically identical. However, this has an inbreeding effect on its offspring, since it is recombining from the same genotype and so has a higher chance of producing homozygous offspring. This is very detrimental for mammals and some eukaryotes, but in some other organisms such as bacteria, homozygosity is typically not an issue.
8 0
3 years ago
Why are there more overweight people than overweight animals?
aleksandr82 [10.1K]
Humans can will themselves to eat more, as we know that food comes easy to us.

Animals, on the other hand, top priority is survival, so they usually wouldn't think about eating more because it just "tastes good."
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HELP The movement of tectonic plates in two different locations is shown below:
bogdanovich [222]
Answer: The answer is D.

Explanation: Because earthquakes take place in both the Convergent Plate in Location A and Transform Plate in Location B.
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