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Scrat [10]
2 years ago
14

What is the difference between an ocean and a sea?

Biology
1 answer:
Mnenie [13.5K]2 years ago
6 0
A seems most probable.

Oceans are also deeper and larger then Seas.
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At one time, there were many more cheetahs than there are today. About 10,000 years ago, a change in
Ierofanga [76]

Answer:

<u>the bottleneck effect</u>

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Explanation:

Genetic drift has an important impact on the small populations. mutations, which are spontaneous heritable changes in the genetic code, made up of DNA. Here, mutations accumulate over time in a group, modifying the distribution of alleles or various forms of a gene. Natural selection may result in a loss of diversity in a population called genetic drift; one trait's allelic frequency rises while others become less prevalent. Typically such differences exist because of occurrences of mutation and recombination.

Some mutations or alleles may become extinct from the population.

<u />

Variants of a gene accumulate and are transmitted across generations; the frequencies of these occurrences are altered and become more stable in genetic drift- they become genetically distinct and may eventually form a new species after isolation. This may be further compounded through other  phenomena such as the founder effect where a group separates and genetic diversity decreases; and the bottleneck effect where barriers to reproduction or the die-off a population increases genetic drift.

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6 0
3 years ago
What is the function of the plasmid in a prokaryotic cell?
OverLord2011 [107]
I got to tell u but it’s b
8 0
2 years ago
Read 2 more answers
El término virulencia hace referencia a:
garik1379 [7]
B la patogenicidad de un virus
8 0
3 years ago
How do prokaryotes lend stability to an ecosystem?
katen-ka-za [31]
They are decomposers that eat the dead or decaying matter in the ecosystem.
4 0
2 years ago
URGENT!! PLEASE HELP!!!
nadya68 [22]
In complementary base pairing, the G pairs with C, and A pairs with T. Given that this be the rule, the complementary nucleotides for your sequence would be as follows: CGATTAACGTAGGCA.

With regards to proofreading, mutations in cell division occur once in around every 100,000 base pairs. If this happens, the enzyme that pairs the nucleotides to form DNA, called DNA polymerase, detects the error and moves back along the strand, it then cuts the incorrect nucleotide and replaces it with the correct one, fixing the error and continuing with the DNA synthesis.
This process corrects the majority of errors in DNA synthesis, but some errors can still be missed by the DNA polymerase, this is then rectified by a protein complex which binds to the incorrect pairing until anther complex, comes along and cuts that particular section of DNA out, which is then replaced by a new section of correct nucleotides synthesized by the polymerase enzyme, the two sections at either end that were cut is then sealed by ligase, an enzyme which essentially "glues" the DNA stands back together.

My apologies for the long answer, I hope I answered your question and that you understand it well enough.
3 0
3 years ago
Read 2 more answers
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