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Vinil7 [7]
3 years ago
7

The change of one base to another in a DNA sequence

Biology
1 answer:
PSYCHO15rus [73]3 years ago
7 0
Where's teh image at
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What enzyme deficiency in RBC leads to hemolytic anemia due to oxidative stress? ​
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In some cases, massive destruction of red blood cells caused death. This drug-induced hemolytic anemia was shown 30 years later to be caused by a deficiency of glucose 6-phosphate dehydrogenase, the enzyme catalyzing the first step in the oxidative branch of the pentose phosphate pathway.

in short terms, glucose 6-phosphate dehydrogenase

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3 years ago
What are the characteristics of muscle?
g100num [7]

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Excitability- can be stimulated by chemical signals, nerves and stretch. • Conductivity- the signal for a muscle to contract is spread from the point of stimulation throughout the entire muscle. • Contractility- ability of the muscle to shorten. • Extensibility-... • Elasticity

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3 years ago
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A student in a histology class was asked to describe the structure of a stratified squamous epithelium. Which of the following s
Oduvanchick [21]

Answer:

The correct option is e. tissue composed of several layers of flat cells resting on a basement membrane

Explanation:

When you look in the miscorscope  the structure of a stratified squamous epitellium, you can see several layers of flat cells resting on a basement membrane. In this kind of epitellium not all cells are flat, some have a different shape. As you can imagine, only one of the layers are in touch with the basement membrane.

Another feature of the stratified squamous epitellium is that it can have keratin or not. Examples of this epitellium are found in skin or esophagus.

4 0
4 years ago
Removal of one ovary from a human female would most likely
Umnica [9.8K]
Make it impossible to have twins
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3 years ago
Suppose a segment of mitochondrial DNA (mtDNA) is compared between two similar modern-day species. It is known that this segment
QveST [7]

Answer:

24 million years

Explanation:

A: GCACTAAGCATCGATTT

B: GCACCAGGCACTGGTTC

There are 6 base pair changes between species A and species B. Since we know the rate of change is 1 base pair every 4 million years, we know 6x 4 million is likely how long ago the species diverged. 6x 4 million = 24 million years

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