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Question
What is the function of mRNA (messenger RNA)?(1 point)
Responses

mRNA functions as a template for DNA synthesis.
mRNA functions as a template for DNA synthesis.

mRNA functions as a template for protein synthesis.
mRNA functions as a template for protein synthesis.

mRNA functions as a template for RNA synthesis.
mRNA functions as a template for RNA synthesis.

mRNA functions as a template for lipid synthesis.

7 answers

The correct response is:

mRNA functions as a template for protein synthesis.

mRNA plays a crucial role in the process of translating genetic information from DNA into proteins.

In RNA, A pairs with _____, and C pairs with _____.(1 point)
Responses

U; G
U; G

C; A
C; A

T; U
T; U

G; T

In RNA, A pairs with U, and C pairs with G.

So the correct response is:

U; G

Compare organelles. Which one modifies, sorts, and packages proteins for secretion?(1 point)
Responses

lysosome
lysosome

vacuole
vacuole

Golgi apparatus
Golgi apparatus

ribosome

The correct response is:

Golgi apparatus

The Golgi apparatus modifies, sorts, and packages proteins for secretion and distribution to other organelles or for export from the cell.

Microscopes are used to take micrographs of cells and other microscopic objects. Which of the following is correct about using a microscope? (1 point)
Responses

To hold a microscope, grip the arm of the microscope in one hand. There is no need to hold anything else.
To hold a microscope, grip the arm of the microscope in one hand. There is no need to hold anything else.

To see the clearest image, use the fine focus and course focus knobs to appropriately position the slide.
To see the clearest image, use the fine focus and course focus knobs to appropriately position the slide.

When changing magnification levels, make sure you do not remove the slide from the stage.
When changing magnification levels, make sure you do not remove the slide from the stage.

When observing a slide, use the largest magnification available first, then change to a lower magnification next.

The correct response is:

When changing magnification levels, make sure you do not remove the slide from the stage.

This statement emphasizes the importance of keeping the slide in place while changing magnification to maintain focus and avoid damage to the slide or the microscope.