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jekas [21]
3 years ago
9

5.

Biology
2 answers:
inn [45]3 years ago
4 0
I think it would be A
Keith_Richards [23]3 years ago
4 0
I think it’s A / cell walls.
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What word describes a microscope that remains in focus when the objective lenses are changed?
Vilka [71]

Answer;

-Parfocal

Parfocal is the word that describes a microscope that remains in focus when the objective lenses are changed.

Explanation;

Parfocal means that when one objective lens is in focus, then the other objectives will also be in focus.

Parfocalling compound microscope objectives is a procedure which allows one to adjust each objective lens so that it will remain in relative focus with the other objective lenses on the microscope when switching from one magnifcation to the next.

4 0
3 years ago
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Why was it important, in each experiment, for redi and pasteur to have a vial that was completely closed off to the environment?
kykrilka [37]
Redi and Pasteur were both trying to disprove the hypothesis of spontaneous generation that stated that a living organism can emerge from inorganic matter or dead flesh. Therefore, it was essential for their research to completely seal their vials and prevent contamination with living things and spores from the environment in order to prove that living things do not emerge spontaneously.
7 0
3 years ago
Some transport processes use transport proteins in the plasma membrane, but do not require atp. this type of transport is known
spayn [35]
Faciliated diffusion.
Both facilitated diffusion and simple diffusion do not require ATP; however, simple diffusion does not use transport proteins. Facilitated diffusion uses transport proteins which are carrier and channel
5 0
3 years ago
The number of individual organisms present in a given population at a given time is.
aksik [14]

Answer:

7th Science Honors Ch. 4 Vocab

A B

population size: the number of individual organisms present in a population at any given time

population density: the number of individuals in a population per unit of area

population distribution: how organisms are arranged within an area; sometimes called population dispersion.

Explanation:

3 0
3 years ago
Dr. Lee asks you what cancers (besides breast and cervical) Mrs. Payne should be screened for. Choose the single best answer.
Anuta_ua [19.1K]

Answer: Option B) Ovarian cancer

Explanation:

Just as breast and cervical cancer, ovarian cancer is exclusive to female humans.

Since, Mrs. Payne is a female, hence her ovaries should be screened for any cancerous growth.

Thus, Ovarian cancer is the answer

8 0
3 years ago
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