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masha68 [24]
2 years ago
9

Which effect does a gradual decrease in pH from 13 to 1 have on the action of amylase?

Biology
1 answer:
bazaltina [42]2 years ago
7 0

Answer:

Speeds it up then slows it down.

Explanation:

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Which of the following is not a body system represented in the figure shown? (1 point)
kvv77 [185]
The answer is D. Lymphatic
Skin isn't included in the lymphatic system.

7 0
3 years ago
The female I-1 and her mate, male I-2, had four children, one of whom has albinism. What is the probability that they could have
Studentka2010 [4]

Answer:

75% chance of having four normal phenotype children without albinism.

50% chance of having four children who are carriers of the gene with normal phenotype.

Explanation:

Albinism results from an autosomal recessive gene.  In order to solve this problem we have to draw a punnet square and figure out the genotypes of the parents.  So with the genotype of the parents both parents have to be carriers of the trait since it is an autosomal recessive trait.

Genotype of female I-1 = Aa

Genotype of male I-1 = Aa

 

PARENTS A a

A                AA  Aa

a                Aa  aa

75% chance of having four normal phenotype children without albinism.

50% chance of having four children who are carriers of the gene with normal phenotype.

25% chance of having children with albinism.

6 0
3 years ago
The concept of evolution by way of natural selection is a central tenet in biology that has been tested in numerous ways by many
Elodia [21]

The concept of evolution by way of natural selection is a central tenet in biology that has been tested in numerous ways by many scientists but is not yet considered a law. Evolution by way of natural selection is most likely which type of concept?

a hypothesis that can be accepted as true based on repeated experimentation with similar results

a likelihood based on the chance that a particular event will or will not occur

a statement of fact that is generally accepted to be true and universal because it has always been observed to be true

a probability that is an answer to a scientific question and is based on prior knowledge or research

A hypothesis can be a true based which is found on repeated experimentation which has similar results. Thus, option "A" is correct.

<h3>What is evolution?</h3>

Evolution is termed as the change in characteristics which are heritable of population over successive generation.

A good example of biological organisation include molecules, individual organisms and level of species.

The repetition of formation of new speciation, they change within anagenesis and loss of extinction to all through the history of evolution in life.

The hypothesis explains more about a phenomenon. For a hypothesis to be scientific it needs to be tested first.

Thus, option "A" is correct.

To learn more about Evolution click here:

brainly.com/question/13492988

#SPJ1

6 0
2 years ago
If your total blood volume is 5 L the volume in your veins and venules is:______a. 3Lb. 3Lc. 1Ld. 5L
Oksi-84 [34.3K]

Answer:

A and B

Explanation:

That's about 3L because at any given time the viens hold about 70% of blood because they have thinner and less rigid walls so 0.7*5 is about 3L

3 0
4 years ago
Unlike cerebral palsy, amyotrophic lateral sclerosis is a progressive disorder affecting voluntary motor control. The degenerati
Aloiza [94]

Answer: Anterior spinocerebellar tract

Explanation:

Anterior spinocerebellar tract is primarily responsible for transmitting coarse touch and pressure. It is not concerned with the functionality of the muscles.

5 0
4 years ago
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