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elena-14-01-66 [18.8K]
3 years ago
15

A point mutation that creates a premature stop codon is called a _____ mutation.

Biology
1 answer:
PolarNik [594]3 years ago
3 0
I am pretty sure that a point mutation that creates a premature stop codon is called a synonymous  mutation. It also can be called silent mutation, if you have it in you option list, feel free to use it, it is the same. That will definitely help you.
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Which of the disorders below is characterized by destruction of the walls of the alveoli producing abnormally large air spaces t
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The disorder is Emphysema. 
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An object Unless acted upon by an outside unbalanced force
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Will remain at rest or stay in motion. That's Newton's first law of motion
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Which epithelial tissue is shaped like a column?
Vsevolod [243]

Answer:

D. Columnar

Explanation:

Hint the root word is in the option and it is actually shaped like a column according to Epithelium - Wikipedia

Hope this helps : )

3 0
3 years ago
Snakes and lizards are reptiles. Both organisms have pelvic organs, even though snakes don’t have hind legs. What are the best e
dusya [7]

Answer:

Option B, Snakes and lizards share a common ancestor.

Explanation:

From the description provided, it is clear that both the lizard and snake (including pythons) have evolved from the same ancestors which had hind legs. Since both the organism (i.e lizard and snake) underwent evolution (differently) for million of years such that the hind legs in lizard are visible and used even today but the hind legs in snakes are buried in  muscles toward their tail ends and are not used. Such features which are not used at all or are poorly used are called as vestigial organs.

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5 0
3 years ago
Read 2 more answers
Which of the following pairs is correctly matched? A) lumbar vertebrae; bifid spinous processes B) thoracic vertebrae; triangula
erica [24]

Answer:

C) lumbar vertebrae; short, flat spinous processes

Explanation:

The Lumbar Vertebrae are bigger and stronger than vertebral bodies in certain positions.

The vertebral bodies and disks bares majority of the body weight of the body. The lamina, facets and spinous process are basic components of the posterior materials that assist in guiding the movement of the vertebrae and as a coverage or protective shelter for the spinal cord.

The spinous process are SHORT and STURDY (FLAT) in the Lumbar Vertebrae. Hence, this explain why it is often referred to as "Hatchet-Shaped".

The attached image as red dots meant to point to the spinous process in the Lumbar Vertebrae.

3 0
3 years ago
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