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belka [17]
3 years ago
10

1. What is a control and how does a scientist use it in a controlled experiment? control

Biology
1 answer:
Nata [24]3 years ago
8 0

A control is a experimental variable that is kept constant or unchanged during an experiment. During a controlled experiment, the controlled variables are held constant to minimize or stabilize their effects on the subject, its unchanging state allows the relationship between the other variables being tested to be better understood.

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uman chorionic gonadotropin (HCG) A. is secreted from the corpus luteum B. is secreted from the myometrium in the uterus C. stim
jenyasd209 [6]

Human chorionic gonadotropin is secreted from the placenta. The correct option is D.

<h3>What is HCG?</h3>

HCG is known as Human Chorionic Gonadotropin.

It is a hormone secreted by the placenta during pregnancy.

The hormone specifically functions to thicken the wall of the uterus in order to be able to support the growing embryo.

It also signals to the body system to halt the process of menstruation.

More on HCG can be found here: brainly.com/question/23308035

#SPJ1

4 0
2 years ago
Which of the following best describes the approach of being proactive in your healthy choices?
Firlakuza [10]

Answer

you attend to any illness or disease by going to the doctor at the first sign of it

you make sure that your health choices reduce the risk of potentially negative situations.

Explanation:

7 0
3 years ago
Which of the following large-scale environmental catastrophes has the least effect on aquatic ecosystems?
JulsSmile [24]
B.
Deforestation affects ecosystems on land. there are no forests underwater

3 0
3 years ago
Read 2 more answers
Anybody got the answer lol
MatroZZZ [7]

Answer: d

Explanation:

A plant cell has a plant wall so a and b can be disregarded. Mitosis ends with a cleavage factor dividing the cell in two so d represents the last stage

8 0
3 years ago
Read 2 more answers
If mitosis stopped in your body, what effects would you see most rapidly? Which tissues would
kogti [31]

Cell division during mitosis is necessary for replacing damaged or dying cells, as well as repairing damaged or worn-out cells that occur naturally. The main mechanism behind growth is this kind of cell division.

<h3>What are the consequences if mitosis stopped in the body?</h3>

Without mitosis, there wouldn't be any cell division or growth. The fact that genetic information cannot be passed on is most essential. All cell processes would be significantly impacted.

You might also suffer serious consequences, as your heart would have to beat by itself, among other things. Your bones or your brain wouldn't be immediately impacted, but your blood cells would.

Therefore, Every cell in your body would stop replicating itself if mitosis halted, which would induce a heart attack.

Learn more about mitosis here:

brainly.com/question/3417925

#SPJ2

5 0
1 year ago
Read 2 more answers
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