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AURORKA [14]
3 years ago
7

At the conclusion of DNA replication, the two resulting DNA double helices each contain__________.A. one parental and one progen

y strand.
B. two parental or two progeny strands.
C. stretches of progeny DNA interspersed with parental DNA along both strands.
D. two newly synthesized strands.
Biology
1 answer:
kaheart [24]3 years ago
8 0

Answer:

A

Explanation:

When DNA replicates, a new and an old strand are created.

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Can someone explain haploid and diploid to me? Please?
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A haploid cell is a cell typically with half the number of chromosomes (a sex cell) used for reproduction.

A diploid cell is the opposite, a full set of chromosomes not intended for sexual reproduction but typically used in mitosis. 
3 0
3 years ago
During intense exercise, the muscle cells require constant supply of ATPs but the supply of oxygen is low. In that case - the mu
larisa [96]

Answer:

Aerobic to lactic acid fermentation pathway

Explanation:

ATP, which is the usable form of energy in living cells, is obtained via a process called RESPIRATION. However, aerobic respiration requires a constant supply of oxygen to occur. Hence, during an intense exercise where the supply of oxygen is low, the muscle cell has to switch from the respiration pathway that requires oxygen to one that doesn't.

Fermentation is a kind of cellular respiration that does not require oxygen to occur. In the muscle cells of animals (humans inclusive), lactic acid is the product of the fermentation process, hence, it is called LACTIC ACID FERMENTATION. This means that the muscle cells, in a low supply of oxygen, will switch from AEROBIC to LACTIC ACID fermentation pathway.

5 0
3 years ago
5) Compare and contrast creationist views of life origination on Earth,
r-ruslan [8.4K]

Answer

no i don't know

Explanation:

i am so dum  sorry if I can't help you

5 0
2 years ago
Most structural genes of bacteria are grouped together and transcribed from a single ___________; immediately following this seq
CaHeK987 [17]

Answer:

C. Promoter; Operator

Explanation:

Related genes in bacteria are often found in a cluster on the chromosome, where they are transcribed from one RNA polymerase binding site(promoter) as a single unit while other regulatory proteins are binding repressors attached to DNA pieces known as operators. When they are bound to operator, a repressor reduces transcription.

Genes in cases like this encode proteins, having various roles which include fuel metabolism, maintenance of cell structure, and

also defense against viruses in its process. A great number of these proteins are been used while others are needed only under certain decrees. Therefore, it is said that cells don't express all the genes in their genome always.

6 0
4 years ago
Enzymes secreted by cells in the leaves of the venus flytrap can digest
Montano1993 [528]

Given what we know, we can confirm that the enzymes in a Venus flytrap can in fact digest prey, making the plant one of the only carnivorous plants known.

<h3>What enzyme does the Venus flytrap use?</h3>
  • The Venus flytrap is known to use aspartic proteases.
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Therefore, we can confirm that the Venus flytrap is one of the only plants known to be carnivorous, they consume their prey by using the aspartic proteases enzymes to digest trapped prey.  

To learn more about enzymes visit:

brainly.com/question/24811456?referrer=searchResults

3 0
2 years ago
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