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puteri [66]
3 years ago
5

Why do experiments include control groups?

Biology
2 answers:
Sholpan [36]3 years ago
8 0
Control groups are used as a source of comparison in the experiment, so when you are testing the experimental group, you can see how the results are different than the control group. It makes the results more accurate.
sp2606 [1]3 years ago
6 0
So there is something to compare the changed part of the experiment too. The reason why I created a control group for if My plants grew faster in the dark or the light is to compare the growth speed if there was any. I put one on my porch outside where it was under direct sunlight. I put another on my desk where it got light only on certain parts of the day and I put the last one in my closet where it hadn't received any sunlight. in this case my plant on my desk would be my control group.
Hope this helps :D<span />
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The ratio of estrogen to progesterone remains constant throughout pregnancy into labor. false/true
Lady_Fox [76]

False,

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Estrogens are a class of hormones that are essential for women's healthy sexual and reproductive development. They are sex hormones as well. The majority of estrogen hormones are produced by a woman's ovaries, however minor quantities are also produced in modest amounts by the adrenal glands and fat cells.

Progesterone is a member of the progestin drug class (female hormones). By lowering the level of estrogen in the uterus, it functions as a component of hormone replacement treatment. By substituting for the natural progesterone that some women lack, it helps to initiate menstruation.

To know more about pregnancy, click on the below link,

brainly.com/question/14353919

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5 0
2 years ago
Use the following information to answer the following question.
Sonbull [250]

Answer: If this population were in equilibrium and if the sickle-cell allele is recessive, the proportion of the population susceptible to sickle-cell anemia under typical conditions should be 0.20

Explanation: Hardy-Weinberg law provides an equation to relate genotype frequencies and allele frequencies in a randomly mating population. The equation is;

p² + 2pq + q² = 1

For 2 alleles such as A and a, where

p² = homozygous dominant

q² = homozygous recessive and

2pq = heterozygous

From the question, it is said that the sickle-cell allele (SS) constitutes 20% (that is, 20/100) of the hemoglobin alleles in the human gene pool and it is also said to be the homozygous recessive allele.

Therefore, q² = 20/100 = 0.20

4 0
3 years ago
May I have 1 cell or many cell <br> What is my name?
denpristay [2]
Organism is the answer i think


6 0
4 years ago
During which process do plants use carbon dioxide?
Viktor [21]

Answer:

<h2><em>photosynthesis</em></h2>

<em>in</em><em> </em><em>this</em><em> </em><em>process plants use carbon dioxide</em><em />

3 0
3 years ago
Read 2 more answers
Which of the following would be considered important in including in the summary of an experimental investigation. A. Sizes of g
algol13
The number of trials completed during the experiment would be the correct answer. 
7 0
3 years ago
Read 2 more answers
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