Biology Keystone Review

Quiz
•
Biology
•
9th - 12th Grade
•
Medium
+13
Standards-aligned
Rachel Martin
Used 57+ times
FREE Resource
23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which characteristic is shared by all prokaryotes and eukaryotes?
Ability to store hereditary information
Use of organelles to control cell processes
Use of cellular respiration for energy release
Ability to move in response to environmental stimuli
Tags
NGSS.HS-LS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Alveoli are microscopic air sacs in the lungs of mammals. Which statement BEST describes how the structure of alveoli allows lungs to function properly?
They increase the amount of energy transferred from the lungs to the blood.
They increase the flexibility of the lungs as they expand during inflation.
They increase the volume of the lungs, allowing more oxygen to be inhaled.
They increase the surface areas of the lungs, allowing efficient gas exchange.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement BEST describes an effect of the low density of frozen water in a lake?
When water freezes, it contracts, decreasing the water level in a lake.
Water in a lake freezes from the bottom up, killing most aquatic organisms.
When water in a lake freezes, it floats, providing insulation for organisms below.
Water removes thermal energy from land around the lake, causing the lake to freeze.
Tags
NGSS.HS-ESS2-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Carbohydrates and proteins are two types of macromolecules. Which functional characteristic of proteins distinguishes them from carbohydrates?
Large amount of stored information
Ability to catalyze biochemical reactions
Efficient storage of usable chemical energy
Tendency to make cell membranes hydrophobic
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Substance A is converted to substance B in a metabolic reaction. Which statement BEST describes the roles of an enzyme during this reaction?
It adjusts the pH of the reaction medium.
It provides energy to carry out the reaction.
It dissolves substance A in the reaction medium.
It speeds up the reaction without being consumed.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A scientist observes that, when the pH of the environment surrounding an enzyme is changed, the rate the enzyme catalyzes a reaction greatly decreases. Which statement BEST describes how a change in pH can affect an enzyme?
A pH change can cause the enzyme to change its shape.
A pH change can remove energy necessary to activate an enzyme.
A pH change can add new molecules to the structure of the enzyme.
A pH change can cause an enzyme to react with a different substrate.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The diagram models how a poison bonds to the active site of an enzyme. Which function is the enzyme MOST LIKELY unable to perform because of the attachment of the poison molecule?
The release of stored chemical energy
The donation of electrons to the substrate.
The supply of activation energy for a reaction.
The catalysis of the reaction with the substrate.
Tags
NGSS.HS-PS1-4
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