Deck 3: Cell Structure and Cell Division

Question 1

Which organelle(s)would be most visible in methylene blue-stained cheek cells?

A) mitochondria
B) nucleus
C) rough endoplasmic reticulum
D) smooth endoplasmic reticulum

Answer 1

B

Question 2

The cellular events of muscle contraction require a large amount of energy.Which of the following organelles might be abundant in the cells that coordinate these events?

A) mitochondria
B) Golgi apparatus
C) rough endoplasmic reticulum
D) nucleus

Answer 2

A

Question 3

The ________ modifies and packages proteins that are produced in the rough endoplasmic reticulum.

A) peroxisome
B) Golgi apparatus
C) mitochondrion
D) smooth endoplasmic reticulum

Answer 3

B

Question 4

The ________ is usually the largest organelle in a eukaryotic cell.It contains the genetic material of the cell,which directs cellular activity.

A) nucleus
B) mitochondrion
C) lysosome
D) Golgi apparatus

Question 5

________ are abundant along the plasma membrane of the cells of the small intestine,increasing surface area the absorption of nutrients.

A) Mitochondria
B) Microvilli
C) Lysosomes
D) Peroxisomes

Question 6

The phospholipids of the plasma membrane are arranged as a bilayer because ________.

A) the phospholipids are hydrophilic
B) the phospholipid tails are hydrophilic, whereas the heads are hydrophobic
C) the phospholipids are hydrophobic
D) the phospholipid heads are hydrophilic, whereas the tails are hydrophobic

Question 7

What would be the consequence of treating cancer with a drug that disrupts formation of the mitotic spindle?

A) The cytoplasm would not be equally divided.
B) The duplicated sister chromatids would not separate during anaphase.
C) The nuclear envelope would not be broken down to allow the genetic material to escape the nucleus.
D) The chromosomes would not be duplicated.

Question 8

The ________ are bean-shaped,double-membrane-wrapped organelles that produce most of the cell's energy in the form of ATP.

A) mitochondria
B) chromatin
C) Golgi apparatus
D) rough endoplasmic reticulum

Question 9

The plasma membrane contains ________.

A) cholesterol
B) phospholipids
C) phospholipids and cholesterol
D) phospholipids, cholesterol, and proteins

Question 10

________ is the period of time when the cell is not dividing.

A) Anaphase
B) Prophase
C) Interphase
D) Metaphase

Question 11

The ________ synthesize(s)lipids and glycogen.

A) mitochondria
B) Golgi apparatus
C) rough endoplasmic reticulum
D) smooth endoplasmic reticulum

Question 12

Which of the following organelles contains digestive enzymes that destroy old,damaged organelles,harmful bacteria,viruses,and toxins?

A) Golgi apparatus
B) lysosome
C) ribosomes
D) nucleus

Question 13

The ________ produces ribosomes.

A) Golgi apparatus
B) nucleolus
C) rough endoplasmic reticulum
D) nucleus

Question 14

________ is the division of the genetic material,and ________ is the division of the cytoplasm.

A) Mitosis; cytokinesis
B) Cytokinesis; interphase
C) Metaphase; telophase
D) Anaphase; prophase

Question 15

Electron microscopy allows for ________ magnification of specimens; therefore,________ cell structures are visible using this form of microscopy.

A) less; fewer
B) greater; fewer
C) greater; more
D) less; more

Question 16

Anaphase is characterized by ________.

A) separation of the sister chromatids
B) breakdown of the nuclear membrane
C) duplication of the chromosomes
D) division of the cytoplasm

Question 17

The basic structural component of the plasma (cell)membrane is ________.

A) chromatin
B) phospholipid bilayer composed of two layers of phospholipid molecules
C) telophase
D) nuclear membrane

Question 18

Which of the following is NOT a concept of the cell theory?

A) The cell is the basic unit of life.
B) The metabolic activities of individual cells in a multicellular organism are coordinated and essential for survival.
C) Each cell of a multicellular organism maintains its own metabolism.
D) All cells arise spontaneously.

Question 19

The ________ provides structural support,strength,and flexibility to the cell.

A) nucleus
B) cytoskeleton
C) plasma membrane
D) rough endoplasmic reticulum

Question 20

Which of the following answer choices includes organelles that are surrounded by a double membrane?

A) nucleus, lysosome
B) nucleus, mitochondria
C) nucleus, peroxisome
D) peroxisome, lysosome