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Question 1

Cells have the capability of synthesizing water during metabolism.

Answer 1

-True

Question 2

The lysosomes within a cell contain hydrolytic enzymes capable of digesting particles within the cells.

Answer 2

True

Question 3

Vesicles differ from vacuoles in that vesicles are usually produced for the purpose of causing something to leave the cell.

Answer 3

-False

Question 4

Membranes are called selectively permeable because they allow most substances to enter the cell.

Answer 4

-False

Question 5

The selectively permeability of a cell membrane functions under active transport mechanisms.

Answer 5

-True

Question 6

Chromosomes line up in the middle of the cell. -

Answer 6

Metaphase

Question 7

Chromosomes return to chromatin; nuclear membranes form; cleavage furrow begins.

Answer 7

-Telophase

Question 8

Chromatin condenses into chromosomes, nuclear envelope disappears, spindle fibers start to form.

Answer 8

-Prophase

Question 9

Phase before mitosis; growth of cell and preparation for division.

Answer 9

-Interphase

Question 10

Cells use up to 40% of their daily energy expenditure engaged in what important process?

Answer 10

-Active Transport

Question 11

By which process does a glucose molecule move through a cell membrane protein carrier from a region of greater concentration to one of lower concentration to one of lower concentration.

Answer 11

-Facilitated Diffusion

Question 12

It is the passage of WATER from a region of high water concentration through a semipermeable membrane to a region of low water concentration.

Answer 12

-Osmosis

Question 13

The movement of particles from an area of higher to lower concentration is called __.

Answer 13

-Diffusion

Question 14

The cell is the basic structure/functional unit common to all living organisms

Answer 14

-TRUE

Question 15

In simple diffusion, molecules move from an area of __ concentration to an area of __ concentration

Answer 15

-High, Low

Question 16

Proteins do not pass through plasma membranes because

Answer 16

-They are very large molecules

Question 17

A (n)__ solution has the same concentration of water as the cell placed in the solution

Answer 17

-Isotonic

Question 18

The lysosomes contains__ enzymes

Answer 18

-Digestive

Question 19

Epithelial tissue is characterized by

Answer 19

-Tightly packed cells

Question 20

The semi-fluid matrix that surrounds organelles in a cell is called the

Answer 20

-Cytoplasm

Question 21

If the temperature is increased,

Answer 21

-The rate of diffusion increases

Question 22

Which of the ff represents the correct order of the phases of mitosis

Answer 22

-PMAT

Question 23

Mitosis & cytoplasmic division result in the formation of 2 genetically identical cells

Answer 23

True

Question 24

If a sperm cell contains 8 chromosomes, it comes from an animal that has__ chromosome

Answer 24

16

Question 25

Ribosomes are the site of

Answer 25

-Protein Synthesis

Question 26

Mitochondria can be found in the cells of

Answer 26

- Plants | - Animals

Question 27

The fluid material located outside of the nucleus is the

Answer 27

-Cytoplasm

Question 28

What are the 2 main types of cells?

Answer 28

- Prokaryotes | - Eukaryotes

Question 29

-Eukaryotes | Which of the following factors would decrease the rate of diffusion?

Answer 29

- Increased Molecular Weight - Smaller Concentration Gradient - Denser Media

Question 30

Which of the following factors would increase the rate of diffusion?

Answer 30

- Decreased molecular size - Larger Concentration gradient - Thinner Media

Question 31

A defining characteristic that distinguishes prokaryotic and eukaryotic organisms is the lack of a cell membrane in prokaryotes.

Answer 31

FALSE

Question 32

Which of the following are found in both plant and animal cells?

Answer 32

- Mitochondria - Golgi Complexes - Endoplasmic Reticulum

Question 33

Which of the following is located outside of the cell membrane and provides structural support to plant and prokaryotic cells?

Answer 33

-Cell wall

Question 34

The endoplasmic reticulum

Answer 34

-Is where digestive enzymes are stored

Question 35

Did diffusion across the membrane occur for the iodine solution?

Answer 35

-YES

Question 36

Did diffusion across the membrane occur for the starch solution?

Answer 36

No

Question 37

Did diffusion across the membrane occur for the glucose solution?

Answer 37

Yes

Question 38

What happened to the cell to cause it to shrink?

Answer 38

-Due to the hypertonic solution, water is leaving the cell.

Question 39

What is happening to the cell since there seems to be no change?

Answer 39

-Since the solution is isotonic, there is no net movement of water.

Question 40

What happened to the cell to cause it to swell?

Answer 40

-Due to the hypotonic solution, water is entering the cell.