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TEA [102]
3 years ago
10

What are the repetitive dna sequences present at the ends of eukaryotic chromosomes called?

Biology
1 answer:
Ymorist [56]3 years ago
3 0

Answer: They are called Telomeres.

Explanation:

Telomeres is a region of repetitive nucleotide sequence present at each end of chromosomes that protect the internal regions of the chromosome, they are cap down in a small amount t in every DNA replication.

Telomeres are found in many eukaryotic species ranging from human beings to unicellular protists.

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. Jack and Jill are thinking about starting a family and they come to you with a question about a rare recessive genetic disease
cupoosta [38]

Answer:

The chance of  having a Child who is a Heterozygote  is 50% , The chance of having a child that will completely come down with Alpers syndrome is 0%

Explanation:

Jack  has a history of Alpers in his family

Jill has no history

lets assume Jack is a carrier : Ab ( because that is how he could have survived the first 10 lethal  years )

Jill : AA

Therefore the probability/chance of Jack and Jill having a child with Alpers ( carrier ) syndrome will be 50 % as shown below

AA * Ab = AA , Ab, AA, Ab

The child produced by Jack and Jill will only be a carrier of the syndrome and not completely affected by the syndrome

7 0
3 years ago
Explain why the use of the term “theory” in science is different from the use of the word “theory” in everyday language.
kari74 [83]

Answer:

In everyday language a theory means a hunch or speculation. Not so in science. In science, the word theory refers to a comprehensive explanation of an important feature of nature supported by facts gathered over time. Theories also allow scientists to make predictions about as yet unobserved phenomena".

Explanation:

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3 years ago
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Liula [17]
Does should be do. Thanks have a great day.
8 0
3 years ago
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According to this food web, which of the following organisms do hawks eat?
bija089 [108]

Answer:

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Keystone Biology
Kaylis [27]

Answer:

1. in animal cell and 3. in plant cell In animals mitochondria transforms energy and chloroplast in plant cell  absorb energy from sun light and turns water and carbon dioxide into glucose

Explanation:

1. Mitochondria: It is the powerhouses of a cell oval in shape found in eukaryotic cell.Its a site of cellular respiration. It converts glucose in chemical energy known as ATP (Adenosine triphosphate). ATP provides energy to carry out cellular function by breaking high energy bond.Mitochondria are abundant in cells requires energy to perform functions such as muscle and liver cells.

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