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Biology Midterm Study Quiz
Breaking apart large molecules with water.
Genetic material in all organisms is...
Biology Midterm Study Quiz
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#Bio #Midterm
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Questions
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Answers
1
Genetic material in all organisms is...
DNA
RNA
Glucose
Proteins
2
Breaking apart large molecules with water.
Hydrolysis
Condensation/Dehydration synthesis
3
Electrons are...
Positive and orbit the nucleus
Negative and are inside the nucleus
Negative and orbit the nucleus
Negative and change into neutrons
4
If a cell is placed in a hypertonic solution..
The cell might burst
The cell will swell
The cell will remain the same size
The cell will shrink
5
DNA and RNA are
nucleic acids
lipids
sugars
proteins
6
How much more basic is a solution with a pH of 14 than a solution with a pH of 8?
1,000,000
100
60
10,000
7
Lactose =
Glucose + Galactose
Glucose + Sucrose
Glucose + Fructose
Glucose + Glucose
8
What is a
hypertonic
solution?
Has an EQUAL concentration of dissolved solutes
Has a LOWER concentration of dissolved solutes
Has a HIGHER concentration of dissolved solutes
Has a HIGHER concentration of water
9
cytolysis is...
when a cell bursts.
when an animal cell loses water.
when a plant cell loses water and wilts.
when a bacteria engulfs water.
10
What is diffusion?
The movement of water
The movement of molecules from high concentration to low
Osmosis
The movement of molecules from low concentration to high
11
Which is qualitative data?
The lion cubs can't keep up during the hunt with their mom.
Seven blue birds hatched from the twelve eggs in the nest.
22 sharks swim near the shore every other day.
19 tadpoles hatched in the 30 degree water.
12
Two or more monomers makes a
hydrolysis
monomer
polymer
enantiomer
13
Atoms with a positive or negative charge are...
ionomers
isomers
isotopes
ions
14
Covalent bonds...
transfer electrons
share neutrons
transfer protons
share electrons
15
Lipids are NOT soluble in..
water
fats
oil
other lipids
16
Which is NOT biotic?
shark tooth
a chicken egg
a paper clip
a frog
17
Plant cells don't undergo cytolysis readily because...
They have a cell wall
They burst all the time
They have a plasma membrane
They have chloroplasts
18
Which monomer does NOT match the macromolecule?
DNA - Nucleotide
Carbohydrates - proteins
Proteins - amino acids
Lipid - fatty acid
19
Activation energy is
The amount of energy needed to start a reaction.
The amount of energy needed to heat water to boiling.
The amount of electricity needed.
The amount of energy needed to stop a reaction.
20
The DV in the mouse experiment would be...
The amount of sugar
The time it takes to solve the puzzle
The researcher
The mouse
21
pH of 13 =
Acidic
Basic
Neutral
22
What is the correct order of organization of life?
cells, tissues, organ systems, organs, organisms.
cells, tissues, organs, organ systems, organisms.
cells, organs, tissues, organisms.
tissues, cells, organs, organ systems.
23
Single celled organisms are called...
Unicellular
Multi-cellular
24
Which is NOT true of cellulose?
Can't be digested by humans
Is a carbohydrate
Gives plant cell walls rigidity and strength
Is a protein
25
The control group does not have the...
hypothesis applied
specimen
independent variable
data
26
Define diffusion...The net movement of particles...
From a high to a low concentration of water
...from a low to a high concentration
...from a high to a low concentration
27
Osmosis is the movement if _________ from high to low.
Na
Water
K
Glucose
28
Osmosis is the movement of...
Iodine
Water
Sodium
Potassium
29
Sucrose =
Glucose + Glucose
Glucose + Fructose
Glucose + Galactose
Glucose + Lactose
30
The study of life..
Physics
Chemistry
Psychology
Biology
31
Two monosaccahrides make up...
Polysaccharides
Glucose
Fructose
Disaccharides
32
What is homeostasis?
A changing chemical state.
The lowest possible energy use.
The relatively stable internal environment.
A chemical imbalance.
33
What happens to a plant cell in hypertonic solution?
turgid
plasmolysis
no net movement
flaccid
34
Hydrophobic means...
Water loving
Oil loving
Water fearing (afraid of water)
Carbohydrate fearing
35
Which is NOT true about the noble gas Neon?
It has a full outer shell with 8 electrons.
It forms ionic bonds with smaller elements.
It is chemically stable.
It is non-reactive.
36
Atoms are composed of...
protons, neutrons, electrons
protons, protons, and protons
protons, isotopes, and electrons
protozoans, neutrons, electrons
37
Enzymes...
change the products of a reaction
slow down chemical reactions
change the reactants of a reaction
speed up chemical reactions
38
An organism made of many cells is called...
Multi-cellular
Unicellular
39
A hypertonic solution
makes a plant cell burst
makes an animal cell burst
makes a cell become shriveled
40
Osmosis is a specific form of...
endocytosis
diffusion
active transport
sodium potassium pump
41
Which is NOT a characteristic of ALL living things?
responding to stimuli
catching prey
grows and develops
made of cells (1 or more)
42
Lipids are NOT soluble in..
waxes
other lipids
oil
water
43
96% of living matter are made up of...
neon, nitrogen, sulfur, carbon
carbon, nitrogen, oxygen, helium
Carbon, hydrogen, nitrogen, and oxygen
Carbon, hydrogen, sulfur, oxygen
44
A researcher wants to study the affect of sugar on how fast a mouse can solve a puzzle. The IV would be...
The researcher
The mouse
The time it takes to solve the puzzle
The amount of sugar
45
Ionic bonds ...
transfer protons
share electrons
share neutrons
transfer electrons
46
Protons are ...
Negative
Positive
47
During diffusion, particles mover from ______ to ______ concentration
low to low
high to low
low-high
high to high
48
Human hair, muscles, skin, and nails are made of...
nucleic acids
protein
lipids
nucleotides
49
Isotopes are atoms of the same element with a different number of
orbitals
protons
neutrons
electrons
