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BabaBlast [244]
3 years ago
14

Sickle-cell anemia is an example of an inherited disease. Individuals with this disorder have misshapen (sickle shaped) red bloo

d cells caused by a change in the sequence of the ?-globin gene.
Biology
1 answer:
Makovka662 [10]3 years ago
4 0

Answer:

See the eplanation below, please.

Explanation:

In sickle cell anemia, hemoglobin has the form of rigid bars inside the red blood cells, causing them to adopt sickle shapes being not very flexible. These cells can block blood vessels, stopping the flow, causing oxygen to not reach the tissues.

The cause of this anemia is due to a genetic mutation (there is a substitution of thymine for adenine in the beta globin gene, located on chromosome 11), generating Hemoglobin S with a decrease in oxygen binding.

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A study is being done to test the effects of habitat space on the size of fish populations. Different sized aquariums are set up
olga_2 [115]

Answer:

On the basis of the given information, the six goldfish are taken in distinct sized aquarium to examine the influence of habitat space on the rate of survival of the fishes. The kind and amount of food, cleanliness, and temperature are maintained similarly.  

Thus, with the help of the information one can state that:  

A. The size of the aquarium is the independent variable.  

B. The number of fish survived after six months is the dependent variable.  

C. Water temperature, the kind of amount of food, maintenance, and cleanliness of aquariums are the controlled variables or the constants.  

In the controlled experiments, there are dependent and independent variables. The independent variable will get modify generally and is compared to the control. The variable, which is determined in an experiment is considered as the dependent variable. It relies upon the independent variable of the experiment. The control group in an experiment is created similar in each circumstance in an experiment. The control group is the one, which is compared with the experimental group.  

5 0
3 years ago
What are the building blocks for proteins
ANEK [815]

Answer:

The building blocks of proteins are<u> </u><u>amino acids</u>, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain

5 0
3 years ago
In yeast cells the process that occurs when there is not enough oxygen for aerobic respiration is called ?
Stolb23 [73]
Answer: Fermentation

Explanation: Fermentation is the process that occurs when there is not enough oxygen in yeast cells for aerobic respiration. Fermentation is the process that converts sugars to acids, alcohol or gases.
3 0
2 years ago
How do I identify controls, independent and dependent variables
frosja888 [35]

Answer:

what you change vs what you are testing

Explanation:

The independent variable is the variable that you change. For example, if we were growing plants and wanted to see if more sun made them grow higher, you would change the amount of sun that each plant is exposed to.

The dependent variable is what you measure. This depends on the independent variable. So, in our plant experiment, the height of the plant is the dependent variable.

Control. The control is what stays the same. So in our plant experiment, the amount of water, type of plant, type of soil, and all of these things would stay the same to insure that the results are equal.

You affect the independent variable and the control and you test the dependent variable.

5 0
3 years ago
Need help ASAP please help quickly??????
inessss [21]
The answer is coal, C.
It takes a long time to regenerate, therefore it is labelled as non renewable energy.
7 0
3 years ago
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