Chapter 2 Test

Question 1

T/F: Chemicals diffuse from an area of higher concentration to an area of lower concentration

Answer 1

True

Question 2

The mitochondrion contains genetic information that controls all cell activities

Answer 2

False, nucleus

Question 3

T/F: the chromosomes are the compact parts of the cell that contain DNA

Answer 3

True

Question 4

t/f: mitosis results in each daughter cell receiving an exact copy of the parent cell’s nucleus

Answer 4

False, DNA

Question 5

T/f: prokaryotes are cells that have more complex internal organization, including a nucleus

Answer 5

False, eukaryotes

Question 6

T/f water enters and leaves cells by a process called diffusion

Answer 6

False, osmosis

Question 7

T/f: During interphase, the cell is carrying out all life activities except division

Answer 7

True

Question 8

T/f: during the metaphase of mitosis, the chromosomes line up in the middle of the cell

Answer 8

True

Question 9

T/f: single- celled organisms do not show specialization

Answer 9

True

Question 10

T/f: cellular respiration occurs in the nucleus

Answer 10

False. Mitochondria

Question 11

The ____ is the simplest unit that can carry out all life processes

Answer 11

Cell

Question 12

T/f: all organisms are made up of many cells

Answer 12

False, single- celled prokaryotes exist

Question 13

specialized cells that use a lot of energy, such as muscle cells, have a lot of ____ _____

Answer 13

Mitochondria

Question 14

In which phase of the cell cycle does the nuclear membrane dissolve?

Answer 14

Prophase

Question 15

When cancer cells break away from the primary tumour, it is called ______

Answer 15

Metastasis

Question 16

What does PMAT stand for?

Answer 16

Prophase
Metaphase
Anaphase
Telophase

Question 17

Cancerous tumours are called

Answer 17

Malignant

Question 18

In which cell phase does a new nuclear membrane form around the daughter nuclei?

Answer 18

Telophase

Question 19

When the DNA copy is complete, each chromosome has two paired structures called ________

Answer 19

Chromatids

Question 20

_____ is a cell organelle that stores water and dissolved materials

Answer 20

Vacuole

Question 21

Plant cells have ____ and ____ vacuoles, while animal cells have ______ and _____.

Answer 21

Large, few,

Small, many

Question 22

How does growth occur ( on a cellular level)

Answer 22

Cells duplicate their DNA and divide

Question 23

All multicellular organisms begun life as ______ cells

Answer 23

Single

Question 24

______ contain chlorophyll, which gives plant cells their green colour.

Answer 24

Chloroplasts

Question 25

DNA is found in the

Answer 25

Nucleus

Question 26

Specialized cell parts are called

Answer 26

Organelles

Question 27

Cell membranes are ____ ______, allowing some materials to enter and preventing others from doing so.

Answer 27

Semi permeable

Question 28

_____ move the chromosomes to the middle of the cell before they divide

Answer 28

Spindle fibres from the centromeres

Question 29

The _____ _________ is the organelle that assists in hormone secretion

Answer 29

Endoplasmic reticulum

Question 30

This organelle collects and processes materials to be exported from the cell

Answer 30

Golgi body

Question 31

Fluid- filled tubes that transport materials like proteins throughout the cell

Answer 31

Endoplasmic reticulum