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hjlf
3 years ago
8

HELP! HELP! HELP! LooK at Pic!

Biology
1 answer:
Paraphin [41]3 years ago
6 0

I think its the second one.....

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Why did short plants reappear in mendel’s F2 generation?
Fudgin [204]

Answer:

Because the F1 plants all had a lowercase a/short plant allele, there was a 25% chance that two plants would contribute it to their offspring and they both did sometimes to make a aa offpsring.

Explanation:

All the F1 plants were heterozygous, so when they were crossed, the resulting genotypic ratio was 1 AA : 2 Aa : 1 aa.  As you can see, this is the first time since the parent generation that there is a aa genotype and short plant phenotype, so that's why short plants reappeared.

8 0
2 years ago
A researcher is studying a strain of mice that only incorporate 50 percent of the necessary iron into their hemoglobin molecules
Gemiola [76]

Answer:

Option (c).

Explanation:

The hemoglobin is the important protein present in the red blood cells. The hemoglobin molecules helps in the transport of oxygen and carbon dioxide in the body.

The iron is important for the hemoglobin molecule formation. The deficiency in the iron can cause the abnormal hemoglobin structure. The mice hemoglobin can binds with the only 50% of the oxygen molecules as compared with the wild type mice.

Thus, the correct answer is option (c).

7 0
3 years ago
What effect would an increase in temperature have on the rate of osmosis in these cells
charle [14.2K]

Answer:

hope it helps you❤❤❤❤

Explanation: Factors Affecting the Rate of Osmosis

Temperature - The higher the temperature, the faster the movement of water molecules across the semi permeable membrane.

Osmosis is the passage of water from a low solute concentration area through a semi-permeable membrane to a high solute concentration area to equalize the solute concentrations on both sides. Meaning of the terms: solute, solvent and solution. A solvent is the base substance, where a solute is being dissolved and the result is the solution. Through osmosis, water is provided to the cells of your body; it plays a significant role in the preservation of life. It is this process that helps plants receive water and is even used in kidney dialysis.

5 0
3 years ago
What does nitrogen do in human body?
Vedmedyk [2.9K]
Amino acids all contain nitrogen and these are the building blocks that make up the proteins in your hair, muscles, skin and other important tissues. Nitrogen is an important part of your DNA, which defines what you are like in many ways.
4 0
3 years ago
Read 2 more answers
What does a graduated cylinder measure? i need this for my biology homework since I do not have my book with me at the moment.
4vir4ik [10]
A graduated cylinder measures the volume of an object. 
6 0
3 years ago
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