Keystone Homework #7

Quiz
•
Science
•
9th - 12th Grade
•
Medium
+2
Standards-aligned
Joanne Mcgrath
Used 1+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Genetic mutations can cause chloroplasts in leaf cells to lack pigment and appear pale yellow . Which statement describes how a plant is most immediately affected by the presence of these genetic mutations?
The amount of light energy transformed into chemical energy is reduced
The ability to absorb minerals is reduced .
Tags
NGSS.HS-LS1-5
NGSS.HS-LS3-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An organism carries out both photosynthesis and cellular respiration . Which statement describes a difference between these two processes?
Only cellular respiration creates chemical energy .
Only photosynthesis changes light energy into chemical energy .
Tags
NGSS.HS-LS1-5
NGSS.HS-LS1-7
NGSS.HS-LS2-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A cell in the leaf of a green plant performs both photosynthesis and cellular respiration, often at the same time . Which statement best describes how these processes are related to each other?
Products of one process are used as some of the reactants for the other process .
Both processes require energy directly from the Sun .
Both processes produce carbon dioxide .
Tags
NGSS.HS-LS2-3
NGSS.HS-LS2-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Each cell in the human body contains thousands of different enzymes responsible for regulating reactions within the cell. Which statement explains why a single enzyme is unable to regulate a variety of reactions?
The binding of a product and an enzyme is specific.
The binding of a substrate and an enzyme is specific.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A scientist observed that during the course of a chemical reaction the number of ATP molecules was reduced. What did the scientist most likely learn from the observation?
The reaction consumed water.
The reaction caused an output of energy.
The reaction required an input of energy
Tags
NGSS.HS-LS1-7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement best describes how channel and carrier proteins in the plasma membrane are similar?
Both allow for the flow of molecules into and out of a cell.
Both directly connect the membrane to the nucleus of a cell.
Tags
NGSS.HS-LS2-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement best explains why cellular respiration in plants and other organisms is dependent on photosynthesis?
Photosynthesis provides the materials that fuel cellular respiration.
Photosynthesis is one of the final steps in cellular respiration.
Photosynthesis absorbs materials that are catalyzed during cellular respiration.
Tags
NGSS.HS-LS2-5
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which two statements correctly describe one similarity and one difference between cellular respiration and photosynthesis? A. statements 1 and 2 B. statements 1 and 4
statements 1 and 2
statements 1 and 4
Tags
NGSS.HS-LS1-5
NGSS.HS-LS1-7
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Muscle cells have a comparatively large number of mitochondria . Which action does this characteristic allow muscle cells to accomplish?
rapidly release chemical energy for use
rapidly convert carbohydrates into lipids
reduce oxygen demand when releasing stored energy
reduce oxygen demand when releasing stored energy
Tags
NGSS.HS-LS1-7
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