When an enzyme is denatured

it unfolds and no longer works, it is usually due to an increased temperature

studbud

Unit 1 Biology Basics Review

18 termsStudBud Administration136 plays

A review of the first unit in high school biology

Flashcards18 cardsFPractice quizPHost liveL

Questions 18

Answers

1
A substance with a pH of 3 is
water
a base
an acid
neutral
2
The dependent variable is
changed by the scientist
held constant
measured or observed
graphed on the x-axis
3
Macromolecules that are hydrophobic are most likely
proteins
lipids
carbohydrates
nucleic acids
4
During a chemical reaction, __________ go into the reaction, and __________ are made.
reactants, products
products, reactants
5
The part of an experiment that is manipulated by the experimenter is the
experimental group
constant
experimenter
independent variable
6
The bonds that allows the water droplets to hold on to the leaf are
metallic bonds
hydrogen bonds
covalent bonds
ionic bonds
7
Organic molecules always
contain carbon
contain nitrogen
contain phosphorus
contain sulfur
8
Which is NOT a unique characteristic of water?
adhesion
hydrophobic
cohesion
capillary action
9
In the large intestine
water is absorbed
nutrients are absorbed
food is broken down
pepsin breaks down macromolecules
10
Electrons are shared between atoms in
hydrogen bonds
ionic bonds
Van der Waals forces
covalent bonds
11
Protons are ________ and located in the ________ of the atom.
neutral, nucleus
negative, electron cloud
positive, electron cloud
positive, nucleus
12
When graphing, the dependent variable is
not included on graphs
the second part of the title
on the x-axis
on the y-axis
13
What happens to water in hydrolysis reactions when macromolecules are broken?
water is added
water breaks down into hydrogen and oxygen gas
water is removed
water is not important
14
When an enzyme is denatured
it unfolds and no longer works
it is usually due to an increased temperature
changes to affect a different substrate
works the same as always
15
Suspensions....
have parts that settle out
are chemically combined substances
are evenly blended so that individual particles aren't seen
are always clear
16
ALL living things
communicate by speaking
use sexual reproduction
are made of animal cells
share a universal genetic code
17
Substances that end in "-ase" and speed up reactions are known as
enzymes
carbohydrates
lipids
hormones
18
The monomer for carbohydrates is a(n)
amino acid
fatty acid
monosaccharide
nucleotide

Unit 1 Biology Basics Review Flashcards | StudBud

Unit 1 Biology Basics Review

18 termsStudBud Administration136 plays

A review of the first unit in high school biology

Flashcards18 cardsFPractice quizPHost liveL

Questions 18

Answers

1
A substance with a pH of 3 is
water
a base
an acid
neutral
2
The dependent variable is
changed by the scientist
held constant
measured or observed
graphed on the x-axis
3
Macromolecules that are hydrophobic are most likely
proteins
lipids
carbohydrates
nucleic acids
4
During a chemical reaction, __________ go into the reaction, and __________ are made.
reactants, products
products, reactants
5
The part of an experiment that is manipulated by the experimenter is the
experimental group
constant
experimenter
independent variable
6
The bonds that allows the water droplets to hold on to the leaf are
metallic bonds
hydrogen bonds
covalent bonds
ionic bonds
7
Organic molecules always
contain carbon
contain nitrogen
contain phosphorus
contain sulfur
8
Which is NOT a unique characteristic of water?
adhesion
hydrophobic
cohesion
capillary action
9
In the large intestine
water is absorbed
nutrients are absorbed
food is broken down
pepsin breaks down macromolecules
10
Electrons are shared between atoms in
hydrogen bonds
ionic bonds
Van der Waals forces
covalent bonds
11
Protons are ________ and located in the ________ of the atom.
neutral, nucleus
negative, electron cloud
positive, electron cloud
positive, nucleus
12
When graphing, the dependent variable is
not included on graphs
the second part of the title
on the x-axis
on the y-axis
13
What happens to water in hydrolysis reactions when macromolecules are broken?
water is added
water breaks down into hydrogen and oxygen gas
water is removed
water is not important
14
When an enzyme is denatured
it unfolds and no longer works
it is usually due to an increased temperature
changes to affect a different substrate
works the same as always
15
Suspensions....
have parts that settle out
are chemically combined substances
are evenly blended so that individual particles aren't seen
are always clear
16
ALL living things
communicate by speaking
use sexual reproduction
are made of animal cells
share a universal genetic code
17
Substances that end in "-ase" and speed up reactions are known as
enzymes
carbohydrates
lipids
hormones
18
The monomer for carbohydrates is a(n)
amino acid
fatty acid
monosaccharide
nucleotide