Keystone Biology Module 1 Practice

Keystone Biology Module 1 Practice

Assessment

Assessment

Created by

Samantha Sellinger

Biology

9th - 12th Grade

849 plays

Hard

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15 questions

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1.

Multiple Choice

15 mins

1 pt

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A scientist observes a single-celled organism with several long, whip-like tails. Which function do the whip-like tails most likely perform for the organism?

defense against predators

movement through an environment

detection of the location of a light source

measurement of atmospheric temperature changes

2.

Multiple Choice

15 mins

1 pt

Trees are typically able to transport water from their roots to their stems and leaves. Which statement describes the property of water that most supports the transportation of water to all parts of a tree?

Water forms a crystalline structure when it freezes.

Water dissolves fewer substances than any other liquid.

Water has strong attractions to itself and many other molecules.

Water can absorb large amounts of energy with minimal temperature changes.

3.

Multiple Choice

15 mins

1 pt

Which process best describes the assembly of proteins from amino acids?

Atoms are linked to form a compound.

Monomers are linked to form a polymer.

Atoms are added to a monomer until it becomes a polymer.

Molecules are added to a compound until it becomes a monomer.

4.

Multiple Choice

15 mins

1 pt

Media Image

Which biological molecules are most likely represented by molecules 1 and 2?

molecule 1: lipid

molecule 2: nucleic acid

molecule 1: lipid

molecule 2: protein

molecule 1: carbohydrate

molecule 2: nucleic acid

molecule 1: carbohydrate

molecule 2: protein

5.

Multiple Choice

15 mins

1 pt

Which statement best describes a relationship between enzymes and a simple biological reaction?

Enzymes will increase the amount of substrate formed during a biological reaction.

Enzymes will decrease the amount of substrate formed during a biological reaction.

A reaction rate can be increased when the specific enzyme for a biological reaction is present.

A reaction rate can be decreased when multiple enzymes for a biological reaction are present.

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