Question

multiple choice
identify the choice that best completes the statement or answers the question.

1. what is the main function of a vacuole?

a. storage of water
b. synthesis of energy
c. replication of dna
d. formation of proteins

1. which of the following is a characteristic of both a prokaryotic and an eukaryotic cell?

a. both cells lack a nucleus.
b. both cells undergo meiosis.
c. both cells contain a mitochondrion.
d. both cells contain genetic information.

1. which characteristic distinguishes a plant cell from an animal cell?

a. the presence of a cell membrane
b. the presence of a vacuole
c. the presence of a nucleus
d. the presence of a cell wall

1. a diagram of a cell is shown.

the cell shown in the diagram is found in which type of organism?
a. bacteria
b. plant
c. animal
d. fungi

1. after a protein is constructed at the ribosome, it can be transported to the golgi complex for modific

what cellular structure is used in this transport?
a. lysosome
b. mitochondrion
c. nuclear pore
d. endoplasmic reticulum

1. what part of the cell has a similar function to a school security guard, whose job it is to control wh

and leaves the school?
a. nucleus
b. golgi body
c. mitochondrion
d. cell membrane

Explanation:

1. Vacuoles are known for storing water, nutrients, and waste products in cells.
2. Prokaryotic and eukaryotic cells both contain genetic information (DNA). Prokaryotes lack a nucleus (so option a is wrong for prokaryotes - eukaryotes have a nucleus), prokaryotes don't undergo meiosis (option b is wrong), and only eukaryotes have mitochondria (option c is wrong).
3. A cell wall is a characteristic feature that distinguishes plant cells from animal cells. Both plant and animal cells have a cell membrane (option a is wrong), vacuoles (though plant cells usually have a large central vacuole - but it's not the key distinguishing feature here, option b is wrong), and a nucleus (option c is wrong for the distinction as both have nuclei in eukaryotes - but the question is about plant vs animal - both are eukaryotic here in terms of nucleus presence).
4. The cell diagram shows a cell wall and chloroplasts, which are characteristic of plant cells. Bacteria are prokaryotic and don't have these organelles (option a is wrong), animal cells don't have a cell wall or chloroplasts (option c is wrong), and fungi have a different cell structure (no chloroplasts - option d is wrong).
5. The endoplasmic reticulum (ER) is involved in transporting proteins from the ribosome to the Golgi complex. Lysosomes are for digestion (option a is wrong), mitochondria are for energy production (option b is wrong), and nuclear pores are for transport in and out of the nucleus (option c is wrong).
6. The cell membrane controls what enters and leaves the cell, similar to a school security guard controlling who enters and leaves the school. The nucleus is like the control center (option a is wrong), the Golgi body modifies and packages proteins (option b is wrong), and mitochondria are for energy (option c is wrong).

Answer:

1. A. storage of water
2. D. Both cells contain genetic information.
3. D. the presence of a cell wall
4. B. plant
5. D. endoplasmic reticulum
6. D. cell membrane