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Extra Credit Chapter 3 Review Flashcards | StudBud
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Extra Credit Chapter 3 Review
Extra Credit Chapter 3 Review
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Questions
40
Answers
1
What classification is this and its monomer?
carbohydrates,lipids
nucleotides, RNA
oil, monosaccharides
lipids. fatty oil
2
How many levels of protein structure are there?
20
3
4
7
3
Usain Bolt & Noah Lyes are famous Olympic Athletes. Why might they eat pasta for dinner the night before the race?
pasta contains lipids which stores energy
pasta contains carbohydrates used for quick source energy
Because its yummy
Because pasta contains enzyme which speed up reactions
4
What causes a denatured enzyme?
all of the above
change in temperature
drastic changes in pH
heat
5
What is the classification and its monomer?
protein, amino acids
amino acids, RNA
lipids, fatty acids
carbohydrates, monosaccarides
6
What is the classification of this food and its monomer?
lipids, monosaccharides
nucleotides, DNA
protein, lipids
carbohydrates, monosaccharides
7
All of these are the functions of a nucleic acid except
carry energy in cells
create RNA
a digestive enzyme
carries instructions in a cell
8
Nucleotides in RNA are connected
hydrogen bonds between R groups
peptide bonds
disulfide bonds
covalent bonds between sugar and phosphate
9
The secondary structure of a protein is determined by...
enzymes
double bonds
R groups
hydrogen bonds
10
Which complementary base pairing is correct?
t+g
u+t
a+t
c+a
11
True or False: DNA can leave the nucleus and send out instructions in protein synthesis
False
True
12
What classification is this and its monomer
nucleic acids, nucleotides
lipids, monosaccarides
nucleotide, DNA
DNA, RNA
13
Describe a saturated fatty acid
single bond carboxyl chain
double bond carboxyl chain
double bond carbon chain
single bond carbon chain
14
Why is Carbon considered a versatile element?
form straight chains, branched chains, and rings,
most common in our universe
because humans are made of carbon
it can form carbon dioxide
15
True or False: Uracil is found in RNA but Thymine is not
True
False
16
True or False: DNA carries genetic information through enzymes that speeds up processes
False
True
17
True or False: DNA runs antiparalle in 5'-3' direction
False
True
18
If someone was concerned about their health: They are most likely to consume saturated fats
False
True
19
Which element is for organic molecules
nitrogen
lithium
helium
carbon
20
What characteristics about saturated fats are bad at room temperature?
solid
saturated fats are always healthy
liquid
gas
21
What determines the function of a protein?
enzymes
R groups
where its found in the cell
polypeptide bonds
22
Ms. Kuruc was speaking about the functional groups for proteins. Which two groups was she most likely talking about?
alkane group
ether
carboxyl group
amine group
23
Quaternary structure is formed by...
interactions between multiple polypeptide chains
alpha helix
R groups
beta sheets
24
RNA exists as single_______chains
carbon
hydrogen bonding
polypeptide
amino acid
25
How many different kind of amino acids are there?
35
15
20
7
26
What are amino acids linked by?
peptide bonds
carboxyl chains
R group chains
hydrogen bonds
27
Complementary nucleotides are held together by hydrogen bonds
False
True
28
Proteins determined the structure of our bodies. Which is NOT the function of a protein.
form muscles
acts as hormones and enzymes
transport O2
creates DNA
29
True or False: DNA & RNA both contain Uracil
False
True
30
What is the purpose of mRNA?
it remains in the cell
it copies the DNA instructions to be able to leave the cell for proteins
helps the nucleus make more proteins
is used for when DNA is broken
31
RNA & DNA are both nucleic acids but how are they different?
DNA has one less sugar than RNA
deoxyribose is found in RNA while ribose is in DNA
ribose has a pentose sugar while DNA has a hexose sugar
DNA has cellular instruction but RNA does not
32
Which pair is a pyrimidines?
cytosine + adenine
adenine + guanine
cytosine + thymine
uracil +thymine
33
Which is a purine?
cytosine + thymine
adenine+guanine
adenine + thymine
guanine +thymine
34
There are 3 classification of polysaccharides. What are they?
glucose, sucrose, fiber
disaccharides, monosaccharides, hydrolase
glycogen, starch, cellulose
amylase, lactose, glucose
35
All of these are true about DNA except
double helix
sugar phosphate backbone
creates instructions for a cell
created by the mitochondria
36
The tertiary structure is determined by the interactions between...
R groups
beta sheets
alpha helix
hydrogen bonds
37
What type of bonds are found in the primary structure of a protein?
carbon bonds
peptide bonds
disulfide bonds
hydrogen bonds
38
Amylase is an enzyme that changes starch into sugar. What is the function of an enzyme?
creates DNA
assist in dehydration synthesis
creates the cell membrane
speeds up chemical reactions
39
Lipids consist of fatty acids and oil. Describe the structure of a fatty acid.
a chain of carbon rings
a chain of carbon atoms bonded with hydrogen atoms
a chain of phosphorus and hydrogen
rings of helium and phosphate
40
What are the components of a nucleotide?
amine + carboxyl group
R groups
alpha helix + beta sheets
nitrogenous base, sugar, phosphate
