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suter [353]
3 years ago
9

A simplified model of protein synthesis is shown here: How might this model be revised to show a more accurate depiction of prot

ein
synthesis?
Prior to process 1, DNA should copy itself to allow the cell to divide
After process 2, the completed protein should travel back to the nucleus
Between processes 1 and 2, the mRNA must be modified before leaving the
nucleus
During process 2, the ribosome should remove any mutated nucleotides
from the mRNA
Biology
2 answers:
Nady [450]3 years ago
7 0

Answer:

<em>The correct options are:</em>

<em>Prior to process 1, DNA should copy itself to allow the cell to divide.</em>

<em>Between processes 1 and 2, the mRNA must be modified before leaving the  nucleus.</em>

Explanation:

For eukaryotes, the mRNA is made in the nucleus from the DNA. This process in known as transcription. The process of making proteins from the mRNA takes place in the ribososmes of the cytoplasm. This process is known as translation. The mRNA has to be modified before it is transported for translation. Otherwise, the mRNA will be degraded by the enzymes of the nucleus.

Thepotemich [5.8K]3 years ago
6 0

Answer:

C) Between processes 1 and 2, the mRNA must be modified before leaving the nucleus.

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In a hydra, digestion is completed _________.
OLEGan [10]

In a hydra, digestion is completed intracellularly.

Hence option (a) is correct.

Small, freshwater organisms of the phylum Cnidaria and class Hydrozoa are grouped under the genus Hydra. They are indigenous to temperate and tropical climates. 

The digestion takes place intracellularly in Hydra.

Because of their ability to regenerate and the fact that they don't appear to age or experience old age, hydra have drawn the attention of biologists.

Like most other cnidarians, hydras have a pretty straightforward digestive system.

They have a two-way digestive system, which differs from mammals in that food and waste enter and exit through the same aperture. A "blind gut" is the name for this configuration.

The center of the hydra's body is occupied by its digestive tract.

Learn more about Hydra here brainly.com/question/1808325

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7 0
1 year ago
True/false
Yuki888 [10]

Answer:

True

Explanation:

The species that went extinct could be a food source for another and that would possibly be detrimental to the chain.

6 0
3 years ago
Coyotes and dogs have been placed into different species. however, they can mate and produce viable, fertile offspring. what wou
Ostrovityanka [42]
That fact can be explained by the similarity in their genes. 

Dogs and coyotes are from the same class, family and genus (Mammalia, Canidae, Canis).
This is almost enough for their offspring to be viable. But if the DNA is similar (which it is) offspring the chances of viable and fertile offspring is high almost at 100%.

Hope it helped,

Happy homework/ study/ exam!
8 0
3 years ago
Human proteins can be produced by cells in the milk-producing mammary glands of transgenic mammals if the regulatory sequence of
natta225 [31]

Answer:

It is important to use the regulatory sequence of a milk gene when constructing a recombinant gene used to produce a human protein secreted in milk because<em> it is capable of increasing or decreasing the expression of specific genes within an organism.</em>

Explanation:

<em>Regulatory Sequence</em> is<em> a segment of a nucleic acid molecule</em> which is capable of increasing or decreasing the expression of specific genes within an organism. Regulation of gene expression is an essential feature of all living organisms and viruses.

6 0
3 years ago
Genetic codes contain _____.
denis23 [38]
<em>Genetic codes contains <u>ORGANISMS.</u></em>
6 0
3 years ago
Read 2 more answers
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