What is pili in prokaryotes? A. area of cytoplasm that contain the DNA molecule

ID: 148544 • Letter: W

Question

What is pili in prokaryotes?

A. area of cytoplasm that contain the DNA molecule

B. circular pieces of DNA that contain genes but not involved in cell reproduction

C. hair-like structures found on the surface of some prokaryotes

D. made of two lipid layers which make the inside hydrophilic and the outside hydrophobic

E. a long whip-like structure that propels the cell into motion

What is the chloroplast in plant cells?

A. it is found in side the nucleus, and makes ribosomes

B. it plays a role in the packaging and shipping of protein products

C. it is the site of RNA synthesis, and DNA storage

D. space in the middle of plant cells that contains water and macromolecule storage

E. it plays a role in capturing the energy of the sun to create carbohydrates or sugar

After your fish samples are stained, and then destained, what solution are they stored in?

A. They are allowed to dry

B. Alizarin Red

C. 50% Isopropyl Alcohol

D. Water

What type of stain did we use for the fish?

A. Alizarin Red

B. Toluidine Blue

C. Reticulin Stain

D. Acid Fuschin

Why do we need to have labels inside of the jars with the fish?

A. So that predators cannot find them

B. To ensure we always know what sample we are working with

C. In case we drop the container and the glass shatters

D. To keep dirty fingerprints off the an outside label

I believe the correct answers to be:

1) C. hair-like structures found on the surface of some prokaryotes while flagella is responsible for movement.

2) E. it plays a role in capturing the energy of the sun to create carbohydrates or sugar

3) C. 50% Isopropyl Alcohol

4) A. Alizarin Red

5) B. To ensure we always know what sample we are working with

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