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Unit 1: Biology Basics Review Flashcards | StudBud
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Unit 1: Biology Basics Review
Unit 1: Biology Basics Review
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1
What happens when the temperature increases WAY above the ideal temperature
The rate increases
The enzyme denatures
The rate stays the same
The rate decreases
2
A virus is considered not to be living
True
False
3
Which is not a component of the nucleotide structure
5 carbon (pentode)
Phosphate group
Nitrogenous base
R group
4
Enzymes_________the activation energy
Lower
Raise
Keep the same
5
The fatty acid tail of the phospholipid bi layer is_________
Neutral
Hydrophobic
Hydrophilic
Polar
6
Glycerol + fatty acids are the monomer of______
Carbohydrates
Proteins
Nucleic Acids
Lipids
7
________is the amount of energy required for a particular chemical reaction to occur
Rate
Enzyme
Catalyst
Activation energy
8
Sugars are kinds of macromolecules called________
Lipids
Nucleic acids
Proteins
Carbohydrates
9
If the temperature decreases, the rate of reaction____________
Freezes
Decreases
Increases
Stays the same
10
If you see a chain of nucleotides that looks like: AUUUGGCCAAUU, is it a fragment of DNA or RNA
RNA
DNA
11
_______is the specific binding location for a substrate on an enzyme
Catalyst
Active site
Activation energy
Cofactors
12
___________is the signal to which an organism responds
Stimulus
Homeostasis
Reproduction
Metabolism
13
Primary structure proteins form non adjacent bonds
False
True
14
Unsaturated fats must contain_________
All double bonds
All single bonds
At least 1 double bond
At least 1 triple bond
15
Maltose is made of____________
glucose+glucose
fructose+galactose
glucose+sucrose
glucose+ fructose
16
Nucleotides are the monomers of__________
Carbohydrates
Nucleic acids
Lipids
Proteins
17
____________is the carbohydrate form of energy storage in plants
Cellulose
Chitin
Glycogen
Starch
18
Lipids store more energy than carbohydrates
True
False
19
Which statement compares nucleic acids to lipids
Nucleic acids store energy and lipids carry and transport genetic material
Nucleic acids provide structure and lipids speed up chemical reactions
Nucleic acids carry and transport genetic materials and lipids store energy
Nucleic acids speed up chemical reactions and lipids provide structure
20
Keratin is___________
A hormone
A transport protein
A structural support protein
An enzyme
21
________________must be in a molecule in order to be considered organic
Nitrogen
Lead
Carbon
Gold
22
Monosaccharides are the monomers of
Carbohydrates
Nucleic Acids
Lipids
Proteins
23
Thymine always binds to
Adenine
Uracil
Guanine
Cytosine
24
Sometimes a chemical reaction will release energy in the form of light or heat
True
False
25
_____________ is the ability of life to produce new similar organisms
Metabolism
Reproduction
Homeostasis
Stimulus
26
A pH of 11 is_______
Neutral
Basic
Acidic
27
Hydrogen bonds are abundant in_________which increases energy storage
Nucleic acids
Lipids
Proteins
Carbohydrates
28
A function of proteins is___________
Energy storage
Carry and transport genetic materials
Protection and insulation
Transport
29
The three pyrimidines are__________
Adenine, guanine, thymine
Uracil, thymine, cytosine
Guanine, uracil, cytosine
Adenine, uracil, and thymine
30
Which is NOT a characteristic of DNA
Single helix
Deoxyribose sugar
Thymine nucleotide
Adenine nucleotide
31
___________ is the structural support carbohydrate for insect exoskeletons
Cellulose
Glycogen
Chitin
Starch
32
Saturated fats are____________at room temperature
Solid
Gas
Liquid
33
Substrates are_____
Amount of energy required for a chemical reaction to occur
Proteins that serve as catalysts
Specific binding site for the substrate on the enzyme
Reactant of an enzyme (what the enzyme breaks down)
34
_________is a substance that changes the rate of reaction
Catalyst
Substrate
Active site
Activation energy
35
Amino acids are the monomer of ____________
Lipids
Proteins
Carbohydrates
Nucleotides