Body Structures and Functions

Ann Senisi Scott, Elizabeth Fong

Chapter 2 Chemistry of Living Things - all with Video Answers

Educators

Chapter Questions

Problem 1

A substance that has weight and occupies space is called
a. kinetic energy.
b. a catalyst.
c. matter.
d. potential energy.

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01:15

Problem 2

Walking is an example of
a. a catalyst.
b. kinetic energy.
c. matter.
d. potential energy.

Crystal Wang

Numerade Educator

04:03

Problem 3

Water is classified as a(n)
a. atom.
b. element.
c. mineral.
d. compound.

Jessica Wooten

Numerade Educator

02:39

Problem 4

Atoms of a specific element that have the same number of protons but a different number of neutrons are called
a. isotopes.
b. DNA.
c. RNA.
d. compounds.

Taylor Aluko

Numerade Educator

00:32

Problem 5

Sugar stored in the liver and muscle cells for energy is called
a. glucose.
b. glycogen.
c. fructose.
d. ribose.

Alexander Burbelo

Numerade Educator

00:42

Problem 6

A chemical reaction in the cell is affected by
a. enzymes.
b. organic compounds.
c. nucleic acids.
d. energy.

Aditya Sood

Numerade Educator

01:46

Problem 7

Fluid found inside the cell is called
a. extracellular.
b. interstitial.
c. intracellular.
d. intercellular.

Christina Sorrentino

Numerade Educator

01:21

Problem 8

The compound with a $\mathrm{pH}$ of 9 is alkaline and is
a. milk of magnesia.
b. baking soda.
c. ammonia.
d. bleach.

Vysakh M

Numerade Educator

01:14

Problem 9

When proper amounts of an acid and base are combined, the products formed are salt and
a. gas.
b. water.
c. another base.
d. another acid.

Susan Hallstrom

Numerade Educator

01:54

Problem 10

The name given to the atomic particle found outside the nucleus of an atom is
a. proton.
b. neutron.
c. electron.
d. ion.

Briana De La Torre

Numerade Educator