Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Exam 1: Intro, Chem, Biochem, Cytology

Total questions: 56

Worksheet time: 31mins

Name
Class
Date
1.

Which of the following correctly lists the levels of organization in order from LARGEST TO SMALLEST?

a)

chemical, cellular, tissue, organ, organ system, organism

b)

chemical, tissue, organ, cellular, organ system, organism

c)

organism, organ system, organ, tissue, cellular, chemical

d)

organism, organ, organ system, chemical, cellular, tissue

2.

Select all of the inorganic compounds.

a)

water

b)

nucleic acids

c)

carbohydrates

d)

acids and bases

e)

salts

3.

Which of the following correctly describes an ionic bond that lost an electron?

a)

negative

b)

cation

c)

positive

d)

anion

4.

What of the three parts of homeostatic control mechanisms receives the input?

a)

receptor

b)

control center

c)

effector

5.

A person is consuming a gatorade after a long workout. They mention that it is healthy because it has electrolytes in it. You (having taken an anatomy class) know what electrolytes are. What are they?

a)

water ions

b)

salt ions

c)

acid ions

d)

base ions

6.

What necessary life function involves the ability to respond to stimuli and activities?

a)

digestion

b)

excretion

c)

responsiveness

d)

metabolism

7.

A person decided to take the pH reading of their saliva. The number read 6.6. Where on the pH scale would this number fall?

a)

acidic

b)

neutral

c)

basic (alkaline)

8.

A dipole is a molecule with __ different charges.

a)

two

b)

three

c)

four

d)

twelve

9.

If I were to mix two hydrogen's together, what combing form would I end up with?

a)

compound

b)

molecule

10.

What class of organic compounds does DNA and RNA belong to?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

11.

How does simple diffusion work?

a)

by attaching to carrier proteins

b)

osmosis

c)

passing directly through the lipid bilayer

d)

by passing through channels

12.

A patient's blood is drawn then placed in a vile in a centrifuge. After it gets mixed around, the plasma, platelets, white blood cells, and red blood cells will settle out. What type of mixture is blood?

a)

solution

b)

suspension

c)

colloid

13.

What are the monomers for carbohydrates?

a)

nucleotides

b)

monosaccharide

c)

amino acids

d)

glycerol and fatty acid

14.

What of the three parts of homeostatic control mechanisms interprets and integrates the appropriate response?

a)

receptor

b)

control center

c)

effector

15.

A student decides to mix salt and water together to attempt to make salt water. In this situation what is the solvent?

a)

water

b)

the cup

c)

salt

d)

the spoon

16.

Where can the electrons of an atom be found?

a)

in the nucleus

b)

in the shells

c)

attached to protons

d)

attached to neutrons

17.

When blood glucose levels in the body are too high, the body responds by releasing insulin attempting to lower those levels. What homeostatic control mechanism is this an example of?

a)

negative feedback

b)

positive feedback

18.

SELECT ALL the organic compounds.

a)

nucleic acids

b)

proteins

c)

lipids

d)

water

e)

carbohydrates

19.

Acidic solutions have _____ hydroxyls, _____ pH, and ____ hydrogen

a)

low, low, high

b)

high, high, low

c)

high, low, high

d)

low, high, low

20.

What are the monomers for proteins?

a)

nucleotides

b)

monosaccharide

c)

amino acids

d)

glycerol and fatty acid

21.

Which of the following correctly describes homeostasis?

a)

the condition of messing with the body's external environment to make internal stable

b)

the condition of ending stimuli

c)

the condition of maintaining a solid internal temperature

d)

the condition of maintaining the body's stable internal environment

22.

How is water bonded?

a)

ionic

b)

non polar covelent

c)

polar covalent

d)

hydrogen

23.

When looking at an electron model, where can you expect to find the protons and neutrons?

a)

in the nucleus

b)

attached to electrons

c)

outside the nucleus

d)

in the shells

24.

T/F Structure does not correlate to function when talking about cells.

a)

true

b)

false

25.

What are the functions of integral proteins (select all that apply).

a)

enzymes

b)

motor proteins

c)

transport proteins

d)

glycocalyx

e)

receptors

26.

When a women is in labor, the child's head begins pressing on her cervix which stimulates the body to release oxytocin. Oxytocin is going to speed up labor by producing contractions and dilating the cervix. What homeostatic control mechanism is this an example of?

a)

negative feedback

b)

positive feedback

27.

T/F: Lipids are hydrophilic and soluble in water.

a)

true

b)

false

28.

What type of solution requires water to be pumped INTO the cell because the solute concentration is lower than the solvent?

a)

isotonic

b)

hypertonic

c)

hypotoninc

29.

What is the mass number?

a)

number of electrons

b)

number of protons and neutrons

c)

number of neutrons and electrons

d)

number of electrons and protons

30.

What of the three parts of homeostatic control mechanisms carries out the response dictated by the control center?

a)

receptor

b)

control center

c)

effector

31.

Which of the following correctly describes an ionic bond that gained an electron?

a)

negative

b)

cation

c)

positive

d)

anion

32.

When digesting food, no fluid gets leaked from your epithelial cells lining your digestive tract. What cell junction is this made possible by?

a)

tight junction

b)

desmosomes

c)

gap junction

33.

What are the monomers for lipids?

a)

nucleotides

b)

monosaccharide

c)

amino acids

d)

glycerol and fatty acid

34.

If I were to mix hydrogen and oxygen together, what form of combing matter would I be left with?

a)

molecule

b)

compound

35.

A person decides to start taking steroids to enhance their muscle development. What type of organic compound is steroids?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

36.

What are the steps of enzyme action IN ORDER?

a)

product gets released, complex undergoes rearrangement, substrate binds to enzyme forming enzyme-substrate complex

b)

substrate binds to enzyme forming enzyme-substrate complex, product gets released, complex undergoes rearrangement

c)

product gets released, substrate binds to enzyme forming enzyme-substrate complex, complex undergoes rearrangement

d)

substrate binds to enzyme forming enzyme-substrate complex, complex undergoes rearrangement, product gets released

37.

What are the functions of peripheral proteins (select all that apply)?

a)

motor proteins for shape change

b)

enzymes

c)

cell to cell connections

d)

transport proteins

e)

glycocalyx

38.

Basic solutions have _____ hydroxyls, _____ pH, and ____ hydrogen

a)

low, low, high

b)

high, high, low

c)

high, low, high

d)

low, high, low

39.

A student decides to mix salt and water together to attempt to make salt water. In this situation what is the solute?

a)

water

b)

the cup

c)

salt

d)

the spoon

40.

T/F: A solid can become a gas

a)

true

b)

false

41.

What are the monomers for nucleic acids?

a)

nucleotides

b)

monosaccharide

c)

amino acids

d)

glycerol and fatty acid

42.

What part of proteins determine the function?

a)

amino acid

b)

peptide bond

c)

nucleotides

d)

r group

43.

Select the pyrimidines.

a)

adenine

b)

cytosine

c)

uracil

d)

guanine

e)

thymine

44.

What type of mixture has particles that do not dissolve but do not settle out?

a)

colloid

b)

suspension

c)

solution

45.

After learning about pH in A&P, you go home and decide to practice identifying if a solution is acidic/neutral/basic. You take the measurement of bleach cleaner. The number reads 13.67. Where on the pH scale would this fall?

a)

acidic

b)

neutral

c)

basic (alkaline)

46.

When a person consumes food, the molecules get transported around the body. What property of water describes the transportation?

a)

high heat capacity

b)

polar solvent properties

c)

high heat vaporization

d)

reactivity

47.

What is the atomic number?

a)

number of protons and neutrons

b)

number of protons and electrons

c)

number of electrons

d)

number of protons

48.

What type of bond are salts before they get broken up into anions and cations?

a)

ionic

b)

polar covalent

c)

non polar covalent

d)

hydrogen

49.

What is an example of a saturated fatty acid?

a)

olive oile

b)

butter

c)

margarine

d)

peanut oil

50.

Enzymes are... (select all)

a)

biological catalysts

b)

substrate specific

c)

fibrous proteins

d)

globular proteins

e)

involved in lowering activation energy

51.

When your heart is pumping, no blood gets leaked out nor does your heart tear. What cell junction is this made possible by?

a)

tight junction

b)

desmosomes

c)

gap junction

52.

Kinetic energy is energy ________ and potential energy is energy ________

a)

in action, used

b)

stored, in action

c)

in action, stored

d)

used, in action

53.

Select the purines.

a)

adenine

b)

cytosine

c)

uracil

d)

guanine

e)

thymine

54.

How does facilitated diffusion work?

a)

by attaching to carrier proteins

b)

osmosis

c)

passing directly through the lipid bilayer

d)

by passing through channels

55.

What type of solution requires water to be pumped OUT of the cell because the solute concentration is higher than the solvent?

a)

isotonic

b)

hypertonic

c)

hypotonic

56.

Active transport moves ____ the concentration gradient, passive transport moves ____ it.

a)

against, with

b)

with, against

c)

against, against

d)

with, with