Chapter 4: Biochemistry

Question 1

A bond in which electrons are transferred (one atom loses electrons, one gains electrons) is:

Accepted Answer

Ionic

Question 2

A solvent is:

Accepted Answer

What you pour a solute into;to dissolve the solute.

Question 3

A bond in which electrons are shared is:

Accepted Answer

Covalent

Question 4

Discovery Science is based on

Accepted Answer

Observation

Question 5

How many electrons are shared in a single covalent bond?

Accepted Answer

2

Question 6

Biology is the study of (best answer):

Accepted Answer

Life

Question 7

Water is the universal....

Accepted Answer

Solvent

Question 8

A covalent bond is:

Accepted Answer

A bond formed when atoms share electrons.

Question 9

What did Darwin contribute to biology?

Accepted Answer

Theory of Evolution

Question 10

The molecule H2O is made of how many atoms bonded together?

Accepted Answer

3

Question 11

How many covalent bonds can Oxygen form?

Accepted Answer

2

Question 12

What is biology?

Accepted Answer

The study of life.

Question 13

Evolution explains:

Accepted Answer

Unity(same origins) and diversity (change over time) of life

Question 14

Isotopes have the same number of protons and a different number of:

Accepted Answer

Neutrons

Question 15

Na is the symbol of:

Accepted Answer

Sodium

Question 16

How many electrons are shared in a triple covalent bond?

Accepted Answer

6

Question 17

In an experiment, the control group:

Accepted Answer

Is there to compare the experimental groups with., Shows that the change was caused by the dependent variable., Is not subjected to the independent variable.

Question 18

Ions have the same number of protons but a different number of:

Accepted Answer

Electrons

Question 19

Water is joined by what kind of bonds?

Accepted Answer

Covalent

Question 20

This is NOT a property of water:

Accepted Answer

It's acidic

Question 21

The main difference b/w a hypothesis and a theory:

Accepted Answer

Theories explain a large body of knowledge, much evidence.

Question 22

How many bonds can Hydrogen form?

Accepted Answer

1

Question 23

How many covalent bonds can Nitrogen form?

Accepted Answer

3

Question 24

A hypothesis is

Accepted Answer

A testable question.

Question 25

Discovery science is based on

Accepted Answer

Observation

Question 26

How many covalent bonds can Carbon form?

Accepted Answer

4

Question 27

Salt (NaCl) is held together by what bonds?

Accepted Answer

Ionic

Question 28

A theory is:

Accepted Answer

An explanation form many phenomena and much data.

Question 29

In a scientific experiment, the control group

Accepted Answer

is the one with the variable you are changing.

Question 30

This IS a property of water:

Accepted Answer

Solid is less dense than liquid.

Question 31

How many electrons are shared in a double covalent bond?

Accepted Answer

4

Chapter 4: Biochemistry

Questions 31

Chapter 4: Biochemistry

Questions 31