Unit 1 Cell Chemistry

Question 1

What is the smallest unit in the level of organization

Answer 1

Atom

Question 2

What is a combination of atoms called

Answer 2

A molecule

Question 3

Multiple molecules make up ______

Answer 3

Cells

Question 4

Similar cells make up ____

Answer 4

Tissue

Question 5

Describe the properties of an organ

Answer 5

Multiple types of tissue built up to perform a similar physiological function (Lungs)

Question 6

What is an organ system

Answer 6

Multiple organs that work together (Respiratory system)

Question 7

What is the most complex level of living

Answer 7

An organism

Question 8

Why does the red blood cell help with diffusion

Answer 8

The way it’s shaped (Concaved)

Question 9

If an ocular scale read 10 = how many millimeters

Answer 9

1

Question 10

Name 2 properties of a prokaryote cell

Answer 10

Lacks membrane around nucleuses

Cellular function occurs in the cytoplasm

Question 11

What type of cell encloses the nucleus in its membrane

Answer 11

A eukaryote cell

Question 12

True or False

All organisms are composed of 1 or more cells

Answer 12

True

Question 13

True or False

All cells contain plasma membrane, cytoplasm, and a nuclease/ genetic material

Answer 13

True

Question 14

True or False

All cells store their heredity information in the DNA

Answer 14

True:

With an exception for red blood cells

Question 15

True or false

All cells need energy to sustain life

Answer 15

True

Question 16

True or false

All cells can sense changes in their surroundings

Answer 16

True

An example is a flexor withdrawal reflex

Question 17

True or False

Cells are very disorganized and simple

Answer 17

False

Cells are extremely complex and chaotically organized

Question 18

True or false

All cells come from existing cells

Answer 18

True

Question 19

What is a covalent bond

Answer 19

A bond between atoms increasing their stability and filling an outer shell (2e- or 8e-)