Keystone Homework #7

Keystone Homework #7

9th - 12th Grade

9 Qs

quiz-placeholder

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Keystone Homework #7

Keystone Homework #7

Assessment

Quiz

Science

9th - 12th Grade

Medium

NGSS
HS-LS1-7, HS-LS1-5, HS-LS2-5

+2

Standards-aligned

Created by

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

Media Image

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