In an experiment, the hypothesis is If the wavelength of the light shining on a plant is shortened, the rate of photosynthesis is slowed down. If this experiment is performed, the dependent variable?

Answers

Answer 1

Answer:

The variables are the factors, which do not have a fixed value. Their value keeps changing in an experiment. It can be divided in two types: dependent variable and independent variable.

The dependent variable in the experiment is the variable, whose tendency to vary depend on other factors. To test this hypothesis, the rate of photosynthesis with respect to different wavelengths. So, the dependent variable is rate of photosynthesis, as it is dependent on the wavelength of the light.

Answer 2

Answer: The dependent variable is the part of the experiment that depends on the other part, the independent part. The dependent variable would be the plant because it's growth depends on the light wavelength.

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Prokaryotes reproduce asexually through the process of Eukaryotic cells reproduce asexually through the process of

Answers

The correct answers are;

1. Binary fission.

2. Mitosis.

Prokaryotes reproduce asexually through binary fission process while eukaryotes reproduce asexually through the process of mitosis.

Prokaryotes they lack cell nucleus while eukaryotes are made of cells which possess membranes which bounds nucleus and they hold genetic material.

Examples, of prokaryote includes single-celled organisms for example, bacteria and escherichia.

Prokaryotes reproduce asexually through the process of binary fission, whereas Eukaryotic cells reproduce asexually through the process of mitosis. So here, the correct answer is option A.

Binary fission is a simple and rapid method of reproduction in prokaryotic organisms, such as bacteria and archaea. During binary fission, the parent cell duplicates its genetic material and divides into two identical daughter cells. Eukaryotic cells, on the other hand, can reproduce asexually through various mechanisms, such as mitosis, etc. So here, the correct answer is option A.

Learn more about the reproduction methods of different organism here.

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A.binary fission, mitosis

B.mitosis, mitosis

The increase in the number of black snails can.best be explained by

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As far as I know about black snails is the fact that the Black Mystery belongs to the genus Pomacea, Ampullariidae family. This family is also often called Apple Snail, and it contains a nearly 120 different species of snails. I know that increase in the number of black snails can best be explained by the high teperature in which black snails are. It's the main reason of their reproduction.

which is produced when an egg and a sperm unite during a plants life cycle ? A.spore B.meiosis C.zygote D.gametophyte

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The answer is C) zygote

The answer is C)zygote.

Three types of mutations that can change a DNA molecule

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here are 4, i hope this helps :)
substitution- when one or more bases are replaced with the same number of bases in a sequence.
inversion- when a segment is reversed (or turned the other way)
insertion- when a base is added into a sequence
deletion- when a base is deleted from the sequence

Overpopulation impacts the environment primarily bylimiting land available for crops.
destroying natural resources.
causing the removal of trees.
interfering with normal plant growth.

Answers

The correct answer is: impacts the environment primarily by destroying natural resources, since this includes the removal of trees along with other important things like drinking water. Unfortunately people try to get resources using harmful techniques despite the deep danger this means for the planet.

Answer:

Malthus

Explanation:

Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. What is the probability of having offspring that have wrinkled seeds and yellow seed color for the cross RRYY ´ RrYy?

Answers

The answer is 0 percent.

Let's represent alleles and genotypes:
R - dominant allele for round seeds,
r - recessive allele for wrinkled seeds,
Y - dominant allele for yellow seeds,
y - recessive allele for green seeds.

RR - dominant homozygote with round seeds,
rr - recessive homozygote with wrinkled seeds,
Rr- heterozygote with round seeds,
YY - dominant homozygote with yellow seeds,
yy - recessive homozygote with green seeds,
Yy * heterozygote with yellow seeds.

So, in order to have wrinkled seeds, the offspring's genotype must contain rr, and to have green seeds, the offspring's genotype must contain either YY or Yy.
According to the image, all of the offspring will have round, yellow seeds (RRYY, RRYy, RrYY, RrYy).

If RRYY and RrYy is crossed the probability of the offspring having wrinkled and yellow seed is none (zero).

Further Explanation:

Dominant character is the trait that masks the effect of the other character and is phenotypically shown. Whereas, the characters which is been masked is referred to be as recessive character.

In the given case,

• R- Denotes the dominant round seed character.

• r- Represents wrinkled recessive character.

• Y- Shows the dominant character of yellow colored seeds.

• y- Is used to represent the green color recessive trait.

Mentioned below are the possible homo and hetrozygotes of the trait;

 YY – Dominant homozygote which represents the yellow seeds.

 yy – Recessive homozygote representing green color seed.

 Yy – Dominant hetrozygote that represents yellow seeds.

 RR – Dominant homozygote representing round seeds.

 Rr – Dominant hetrozygote representing round seeds.

 rr – Recessive homozygote representing wrinkled seeds.