What are the substances roles during photosynthesis

1 answer:

6 0

Well,During Photosynthesis Sunlight Converted into chemical energy Water Combines with carbon dioxide to form glucose Chlorophyll Combines with water to form oxygen.

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Consider the models of cell reproduction. Evaluate the statements and select ALL that are NOT supported by the models.

Novosadov [1.4K]

Answer and Explanation:

The cell division cycle is responsible for increasing and maintaining cell number and size. This cycle is an essential feature of living organisms. There are four phases of cell division mitotic phase (M phase), growth phase 1 (G1), growth phase 2 (G2), and synthesis phase (S). One phase of the cell cycle ends, and the other starts; this is named a phase transition—a unidirectional alteration in the cell cycle phases. During G1, G2, and S phase cell grows and during the M phase cell divides. There are two models of cell reproduction as the clock model and the domino model. The domino model implies that cell division phases must occur in a distinct order and at a definite time. The domino model recommends that the cell cycle events are independent, while the clock model shows that the effectiveness of mitosis entrance was not persuaded by other actions.

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3 years ago

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1. In a population of 200 field mice, 98 mice are homozygous dominant for brown fur (FF), 84 mice are heterozygous (Ff), and 18

iVinArrow [24]

A.
The genotype frequencies can be determined by dividing the number of individuals with a genotype by the total number all the individuals.
FF genotype frequency:
98÷200=0,49. There are approximately 5 homozygous dominant mice in 10.
Ff genotype frequency:
84÷200=0,42. There are approximately 4 heterozygous mice in 10.
ff genotype frequency:
18÷200=0,09. There are approximately 1 homozygous recessive mouse in 10.

B.
To determine the frequency of an allele we can divide the number of times that the allele appears by the total number of alleles.
F allele frequency:
 $\frac{(98*2)+84}{400}$ =0.7
There are 7 F alleles in 10 random alleles.
f allele frequency:
$\frac{84+(18*2)}{400}$ =0.3
There are 3 f alleles in 10 random alleles.

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Which statement best illustrates a biotic or an abiotic factor that is often found in a city park?

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Answer: Rocks are abiotic

Explanation: They arnt alive so how can it be biotic?

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What are the benefits of agricultural biotechnology?

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The application of biotechnology in agriculture has resulted in benefits to farmers, producers, and consumers. Biotechnology has helped to make both insect pest control and weed management safer and easier while safeguarding crops against disease.

Explanation:

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in the first half 20th century, it was not unusual for African American people to have to use different drinking fountains, lunc

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Answer:

The statement is true.

Explanation:

During the first half of the 20th century, racism was extreme and constant in many countries. This racist thinking forced African American people to eat, drink, study and do everything in different places. Also, the only work they could do was housekeeping or physical work like construction.

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