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KATRIN_1 [288]
2 years ago
10

Help pls i will mark brainiest​

Biology
1 answer:
Natasha2012 [34]2 years ago
8 0

Answer:

Water, Sunlight, and Oxygen = Abiotic While Consumers and Producers are Biotic

Explanation:

Because biotic is LIving and Abiotic is Non-Living.

Tell me If this helps!

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A true-breeding plant that produces yellow seeds is crossed with a true-breeding plant that produces green seeds. The F1 plants
nadya68 [22]

Answer:

The phenotypic ratio will be 3:1

Explanation:

As per this question there are two phenotypes for seed color, yellow and green. Both the parents are true breeding that means they are homozygous for this trait. Also, all the F1 plants have yellow seed color which clearly indicates that yellow seed color is a dominant trait while green is recessive trait.

The cross of true breeding plants as mentioned above is depicted as under:

Parents                             YY    x   yy

                                          /   \       /   \

F1 generation                Yy   Yy  Yy   Yy

So, as per the law of dominance because of the presence of Y allele, all these progeny will be yellow in color.

Next, when these F1 plants will be crossed, the result will be as under:

F1 generation                    Yy   x    Yy

                                         /   \         /   \

F2 generation               YY   Yy   Yy   yy

The genotypic ratio of F2 generation is 1:2:1

The phenotypic ratio of F2 generation is 3:1

It simply means that in F2 generation, 3 progeny which have allelic combination YY & Yy will be yellow colored while 1 progeny which has allelic combination yy will have green color.

8 0
3 years ago
The phase of the bacterial growth curve in which newly inoculated cells are adjusting to their new environment, metabolizing but
iVinArrow [24]
Yhe phase you are describing is the lag phase.
6 0
3 years ago
Beta particles cannot penetrate very far into solids because they _____.
Bad White [126]

because they have have negligible mass            

3 0
2 years ago
Heterocysts A. are found in nitrogen-fixing cyanobacteria.B. are used to protect nitrogenase.C. produce catalase.D. generate oxy
BARSIC [14]

Answer:

E. are found in nitrogen-fixing cyanobacteria AND are used to protect nitrogenase.

Explanation:

Heterocysts are specialized cellular compartments found in nitrogen fixing cyanobacteria. They provide the ideal anaerobic environment for nitrogen fixation since nitrogenase enzyme cant work in presence of oxygen. Hence, in a cyanobacteria both the oxygen requiring photosynthesis process and the  oxygen sensitive nitrogen fixation process takes place simultaneously.

Heterocysts have an additional cell wall made of glycolipid that provides a hydrophobic barrier to oxygen. They are involved in production of nitrogenase and other proteins that are required for nitrogen fixation. They also degrade photosystem II which is responsible for producing oxygen and produce proteins which remove any remaining oxygen.

7 0
3 years ago
Which organelle has large storage containers for water, food, and waste only in plant cells
Tamiku [17]

Answer:

Vacuole

Explanation:

The vacuole is one of the largest organelles in a plant cell because it holds the water, food, and waste of the cell.

4 0
2 years ago
Read 2 more answers
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