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maw [93]
2 years ago
12

The stomach makes a substance that gives the correct pH for enzyme action. Name this substance.

Biology
1 answer:
Leto [7]2 years ago
5 0

Answer:

The stomach produces hydrochloric acid.It kills many harmful microorganisms that might have been swallowed along with the food.The enzymes work best in acidic conditions-at low pH

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Assuming a typical monohybrid cross in which one allele is completely dominant to the other, what phenotypic ratio is expected i
IgorC [24]

Answer:

Assuming the dominant allele is represented as A, and the genotype as AA and the recessive as a, and genotype as aa; then the F1 will produce the offispring. Aa, Aa, Aa,Aa in ratio: 1:1:1:1:1

This shows the dominance of allele A.

However if two of  the F1 generation are crossed then:

The  F2 is AA,Aa,Aa,aa the phenotypic ratio is

                        3   ;     1

W<u>hile the Genotypic ratio is ratio;</u>

<u>   1AA : 2Aa Aa; 1aa(1 ;2;1)</u>

Explanation:

8 0
3 years ago
The cell wall is tough, flexible and fairly rigid layer that surrounds some types of cells. It is located outside the cell membr
creativ13 [48]

Answer: Option C) Animal

The cell wall is tough, flexible and fairly rigid layer that surrounds some types of cells. It is located outside the cell membrane and provides cells with structural support and protection. All BUT ONE type of organism has cells with cell walls. That is an animal

Explanation:

One distinguishing feature of animal cells compared to other living cells is the absence of cell wall.

However, the animal cell possess a cell membrane, with which it regulates substances entering or leaving the cell, and also provide protection and mechanical support for the cell against foreign invaders such as pathogens.

7 0
3 years ago
5.Write observation and conclusion of each of the following activities​
Tomtit [17]

Answer:

Water puts pressure depends on their amount.

Explanation:

On the left side, there is less quantity of water in the tube that put less pressure on the bag present at the bottom and the bag swells slightly while on the other hand, on the right side, there is more amount of water in the tube that puts large pressure on the bag located at the bottom and as a result it swells higher than the other bag so we can conclude that more water puts more pressure and less water puts less pressure.

3 0
3 years ago
As water changes state the water either obsorbs or releases energy. Which of these answers is a process that releases energy?
Tcecarenko [31]
B snow melting because it turn to solid t liquid which is more energy<span />
6 0
3 years ago
In an ecosystem, organisms are dependent on each other for their survival. Small fish eat plankton. In the fish, chemical energy
fiasKO [112]

Answer:

 food chain

Explanation:

The energy flow in an ecosystem in the form of food from one organism to other is food chain!

hope this helps! :)

5 0
2 years ago
Read 2 more answers
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