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valkas [14]
2 years ago
13

BRAINLIST!!!! PLEASE!!! ITS URGENT ITS DUE IN 3 HOURS HELP.

Biology
1 answer:
Marysya12 [62]2 years ago
7 0

Answer:

Biomass is carbon based and it is composed of mixtures of organic molecules containing hydrogen, normally it would include atoms of oxygen, often nitrogen and also small amounts of other atoms like such, including alkali, alkaline earth and heavy metals. Those metals are usually found in functional molecules such as the porphyrins which would include chlorophyll which also contains magnesium.

Explanation:

↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑

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Suppose there are two homologous chromosomes. Each chromosome contains a single mutant allele in different parts of the chromoso
Harlamova29_29 [7]

Answer:

Cross overs can lead to formation of chromosome pairs that have no mutant allele.

Explanation:

Cross overs can lead to formation of chromosome pairs that have no mutant allele.

For example -

Suppose "X" is a mutant  allele and "x" is a mutant free allele.

Now when two homologous chromosomes contains a single mutant allele in different parts of the chromosome are crossed the following offspring are produced

X x

X XX Xx

x Xx xx

"xx" is a mutant free genotype.

Thus, crossing over can create a single mutation-free chromosome

8 0
2 years ago
This picture is illustrating
Mashutka [201]
I, seems to be the answer, because its not a sexual reproduction, (this occurs in cells, its not sexual reproduction, you would need the egg and sperm.
8 0
2 years ago
Read 2 more answers
An electrocardiogram (ECG) provides information about ________. A. the pressure of blood in the heart chambers B. the rhythm of
mario62 [17]

An electrocardiogram (ECG) provides information about B) the rhythm of heart contractions

The rhythm of heart contractions can be known by an electrocardiogram (ECG).

An ECG or Electrocardiogram is a method to diagnose the heart conditions to check the normal functioning of the heart.

The process to measure the electrical signals of the heart can be done by using this machine.

In this technique, three leads are attached to both the wrist and the left ankle to measure the electrical activity of Heart. The rhythm of the heart contraction and relaxation can be used to find out any heart abnormality.

It is used to investigate the heart problems associated due to bad health or some chronic inflammation affecting the functioning the body. Shortness of breath or nausea is investigated by using an ECG machine to help the patient and doctor to find out the cause.

It consists of QRS complex which measures the heart beat.

Learn more about Heart here, brainly.com/question/16566688

#SPJ4

3 0
1 year ago
Smog damages everything but plants.<br> a. True<br> b. False
Maurinko [17]
The answer is b. False.

Smog is named for the mixture of smoke and fog. It is an air pollutant. It is able to affect human health and environment, as well. Smog affects plant by inhibiting photosynthesis which leads to reduced growth, reproduction, and survival of the plants. It can make them more susceptible to disease or to cause drying out.
3 0
2 years ago
Read 2 more answers
PLS HELP
victus00 [196]

I think your answer should be B. an organism. Hope this helps. =^-^=

6 0
3 years ago
Read 2 more answers
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