Q7: Cell Organelles

Question 1

provide the cell with its energy supply

Answer 1

mitochondria

Question 2

can be either free or membrane-bound; sites of protein synthesis

Answer 2

ribosomes

Question 3

modifies, concentrates, and packages the cell’s proteins and lipids

Answer 3

Golgi apparatus

Question 4

control center of the cell; responsible for sending genetic information and giving instructions for protein synthesis

Answer 4

nucleus

Question 5

comprised of ribosomal RNA and proteins; site of ribosome subunit manufacture

Answer 5

nucleolus

Question 6

contain activated digestive enzymes; sites of intracellular digestion

Answer 6

lysosome

Question 7

(T/F) The rough endoplasmic reticulum consists of tubules arranged in a looping network and is the site of lipid and steroid synthesis, lipid metabolism, and drug detoxification.

Answer 7

true

??????

Question 8

(T/F) The cytoskeleton, literally meaning “cell skeleton,” is comprised of microfilaments, intermediate filaments, and microtubules.

Answer 8

true

Question 9

(T/F) The cytoplasm is all the cellular material between the plasma membrane and the nucleus; cytosol, inclusions, and organelles.

Answer 9

true

Question 10

The cell ___ is an external barrier that also acts to transport substances into and out of the cell, as well as maintaining a resting potential essential for the function of excitable cells.

Answer 10

membrane