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jarptica [38.1K]
3 years ago
7

What are the products of step 1 of the hydrogen fusion process in the Sun? Check all that apply.

Biology
2 answers:
Ne4ueva [31]3 years ago
6 0

Explanation:

Nuclear fusion is a process in which two small nuclei combine together to result in the formation of a larger nuclei.

In Sun, the first step of hydrogen fusion includes combining of two hydrogen nuclei to result in the formation of a deuterium, positron and neutrino.

The nuclear fusion reaction inside the sun is as follows.

    ^{1}H + ^{1}H \rightarrow ^{2}D + positron + neutrino

Thus, we can conclude that products of step 1 of the hydrogen fusion process in the Sun are isotope of hydrogen, a neutrino, and a positron.

andriy [413]3 years ago
4 0

Answer:

It's A, C, D, E

Explanation:

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Help please ASAP I need this answer
emmainna [20.7K]

Answer:

a: metaphase

Explanation:

the chromosomes are aligned at the metaphase plate

3 0
3 years ago
In a population of plants, the allele for long stems (S) is completely dominant over the allele for short stems (s). If 35% of t
Sergio [31]

Answer:

The correct answer would be 48 percent.

It can be solved by using the Hardy-Weinberg equation.

p² +  2pq+ q²  = 1

p + q = 1

where, p² represents homozygous dominant's frequency that is, SS in this case,

q² represents homozygous recessive's frequency that is, ss in this case,

2pq represents heterozygous dominant's frequency that is, Ss in this case.

p represents dominant allele's frequency and q represents the recessive allele's frequency.

Now, the percentage of homozygous recessive or short stems is 35%. Therefore, the frequency of homozygous recessive would be 0.35.

Thus, the value of q² = 0.35

So, q = \sqrt{0.35} = 0.59 which is approximately equals to 0.6.

As p + q = 1 so, q = 1 - 0.6 = 0.4

The frequency of heterozygous (Ss) = 2pq = 2(0.6)(0.4) = 0.48

Hence, the frequency of heterozygous would be 48 percent.

8 0
3 years ago
A glucose molecule is completely broken down to carbon dioxide and water in glycolysis and the citric acid cycle. True or False
lutik1710 [3]

Answer:

True

Explanation:

A glucose molecule enters glycolysis in the cytoplasm of the cell. The glycolytic reactions break down one molecule of glucose into two molecules of pyruvate. Each of the pyruvate molecules is then decarboxylated and is oxidized into acetyl CoA. Acetyl CoA enters Kreb's cycle. Acetyl CoA is completely broken down into CO2 and H2O in Kreb's cycle. In this way, glycolysis and Kreb's cycle break down the glucose molecule into CO2 and H2O in a stepwise manner.

3 0
3 years ago
Which of these is a way to increase the availability of freshwater
Nastasia [14]

Answer:

Option A

Explanation:

Options -

A-avoid water pollution.

B-build thermal power plants.

C-add water features to gardens.

D-avoid drip irrigation systems

Solution -

The largest source of freshwater on planet earth is underground water. The water beneath the surface of earth is very limited. The total fresh water reserve on earth is 3% of the total water on earth. Pollution due to discharge of waste water into the rivers and oceans has caused the degradation of not only surface water but also ground water.  

Thus, option A is correct

Drip irrigation is a means to prevent wastage of water during irrigation. Thus, avoiding it will cause further loss of fresh water.  

Addition of water feature will increase usage of water, thus it is also incorrect

Building thermal plant will also cause water pollution and wastage. Hence, option  B is also incorrect

3 0
3 years ago
Which of the following is needed to begin glycolysis?
Lena [83]
B) glucose (get it glycolysis?) it starts with glucose and ends with 2 pyruvic acids
6 0
3 years ago
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