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CHEM 11 QUIZ #2_BAE 3-1 APT

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

The most common form of fat in the body

a)

hormones

b)

triglycerides

c)

unsaturated fatty acids

d)

saturated fatty acids

2.

These fats are mostly liquid or commonly as oils

a)

saturated fatty acids

b)

phospholipids

c)

unsaturated fatty acids

d)

glycolipids

3.

Compound lipids with nitrogenous base as well as phosphoric acids are termed as _____

a)

phospholipids

b)

phosphatides

c)

glycolipids

d)

lipoproteins

4.

The 4 types of carbon-based molecules are lipids, proteins, nucleic acids, and:

a)

Polymers

b)

Carbohydrates

c)

Amino acids

d)

Sugars

5.

Enzyme rates can be affected by...

a)

pH

b)

temperature

c)

enzyme structure

d)

all of the above

6.

Which of the following is not a lipid?

a)

steroid

b)

fat

c)

lipase

d)

phospholipids

7.

Which of the following describes the difference between a phospholipid and a fat?

a)

Phospholipids are polar and fats are nonpolar.

b)

Phospholipids are nonpolar and fats are polar.

c)

Phospholipids have one more fatty acid than fats.

d)

Phospholipids have one less fatty acid than fats.

8.

Smallest unit of proteins

a)

glucose

b)

lipids

c)

nucleotides

d)

amino acids

9.

How many amino acids does our body need in a day to function properly?

a)

11

b)

20

c)

9

d)

4

e)

36

10.

What is the role of protein in the body?

a)

Is the main source of energy for the body

b)

Helps to build and repair body tissue

c)

Provide warmth and cushioning to the body's organs

d)

Helps to transport vitamins through the body

e)

All of the above are roles of protein in the body

11.

If I am consuming animal products, such as meat, dairy products, and eggs, what type of protein am I taking in?

a)

Fat soluble protein

b)

Incomplete protein

c)

Complete protein

d)

Saturated protein

e)

Unsaturated protein

12.

What could be an issue if I do not consume enough protein regularly?

a)

Lead to a break down of muscle and tissue in the body

b)

Increase the amount of energy

c)

Dehydration of the body's cells

d)

Weight gain which can lead to heart disease

e)

Both A and D are correct

13.
Identify the element found in a protein that is not present in a carbohydrate
a)
Carbon
b)
Oxygen
c)
Hydrogen
d)
Nitrogen
14.
What monomer of a protein is being shown?
a)
monosaccharide
b)
glycerol and fatty acids
c)
amino acid
d)
nucleotide
15.
What is a type of protein that speeds up chemical reactions?
a)
sucrose
b)
insulin
c)
enzyme
d)
antibodies
16.
Which indicator is used to test for the presence of proteins?
a)
Sudan IV
b)
Benedict's Reagent
c)
Biuret Reagent
d)
Iodine
17.
Linking several amino acids together produces what polymer?
a)
polysaccharide
b)
polypeptide
c)
polynucleotide
d)
triglyceride
18.
This protein is used to regulate blood sugar levels.
a)
hemoglobin
b)
collagen
c)
insulin
d)
antibodies
19.
What are the bonds that connect amino acids in a protein called?
a)
peptide bonds
b)
ester bonds
c)
glycosidic bonds
d)
phosphodiester bonds
20.

The element _______is found in all of the organic compounds.

a)

Iron

b)

Carbon

c)

Nitrogen

d)

Oxygen

21.

The main function of a carbohydrate is

a)

long term energy storage

b)

stores genetic information

c)

short term energy storage

d)

regulates and controls all body proccesses

22.

Carbohydrates are made of what elements?

a)

CHO

b)

CHON

c)

CHONP

d)

CHONS

23.

Used for short term (quick) energy.

a)

lipids

b)

carbohydrates

c)

proteins

d)

nucleic acids

24.
Which is not a chemical element needed to build sugars?
a)
Carbon
b)
Oxygen
c)
Nitrogen
d)
Hydrogen
25.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
26.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
27.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
28.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
29.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
30.

In eukaryotes, which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

31.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
32.
The sugar in DNA is ?
a)
sucrose
b)
glucose
c)
deoxyribose
d)
fructose
33.
A long chain of amino acids is a/an
a)
protein
b)
nucleic acid
c)
tRNA
d)
mRNA
34.

What do genes do?

a)

make proteins

b)

store energy

c)

create covalent bonds

d)

create hydrogen bonds

35.

Label the picture in order:

a)

phosphate ; sugar ; base

b)

phosphate ; base ; sugar

c)

base ; sugar ; phosphate

d)

base ; phosphate ; sugar

36.

DNA is shaped in a:

a)

double helix

b)

tightly packed swirl

c)

twisted ladder

d)

nucleotide

37.

In which phase do the chromatids split apart?

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

38.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
39.
The building block of nucleic acids are nucleotides.  Nucleotides are composed of a sugar, a phosphate group, and a _________________ base.
a)
oxygen
b)
hydrogen
c)
nitrogen
d)
carbon
40.

DNA is made of ______ strands.

a)

1

b)

2

c)

3

d)

4

41.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
42.
What is the difference between DNA and RNA in terms of bases?
a)
RNA contains uracil in place of thymine
b)
RNA contains uracil in place of adenine
c)
RNA contains uracil in place of guanine
d)
RNA contains uracil in place of  cytosine
43.
What is #4?
a)
Kidney
b)
Ureter
c)
Bladder
d)
Urethra
44.

After kidneys the urine goes through the

a)

ureters

b)

urinary bladder

c)

urethra

45.

All of the following are normal constituents of urine except-

a)

acetone

b)

bicarbonate

c)

urea

d)

creatinine

46.

Turbidity in the urine sample indicates

a)

pus

b)

blood

c)

bacteria

d)

all of the above

47.

Normal pH range of urine lies between

a)

2-6

b)

4-8

c)

6-10

d)

8-12

48.

In a healthy person, the main job of the kidney is to produce urine that contains

a)

indigestible foods and bacteria.

b)

glucose and amino acids.

c)

toxic waste products of metabolism.

d)

water and plasma proteins.

49.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
50.
The following picture must be
a)
DNA because it's double stranded
b)
RNA because it's single stranded
c)
DNA because it's single stranded
d)
RNA because it's double stranded

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