AnswersHSBIO Biology Sem 1 26-27Lab: Identifying Nutrients

Lab: Identifying Nutrients — Unit test Answers

9 verified answers
1
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Which is abiotic?

A
tree sap
B
insect
C
sunlight
D
tree stump
2
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Which compound contains a triple bond?

A
2 C's are connected with a single line, and each has an H attached by a single line above, below, and outside.
Option A
B
2 C's are connected with 2 parallel lines. There are H's connected with single lines above left, above right, below right, and below left of the 2 C's.
Option B
C
A C is connected to an O with 2 parallel vertical lines, and below left to H with a single line and below right to O H with a single line.
Option C
D
2 C's are connected by 3 parallel lines. There is an H connected with a single line to the left and to the right.
Option D
3

Which type of macromolecule is made up of subunits that are called amino acids?

A
carbohydrate
B
lipid
C
nucleic acid
D
protein
4

Which statement describes one way that RNA differs from DNA?

A
One is a protein, and the other is a nucleic acid.
B
They contain different five-carbon sugars and a different nitrogenous base.
C
They are both carbohydrates, but one is a polysaccharide.
D
One provides energy, and the other carries genetic information.
5

Which type of macromolecule is made up of subunits that are called amino acids?

A
carbohydrate
B
lipid
C
nucleic acid
D
protein
6

Which statement best illustrates a biotic or an abiotic factor that is often found in a city park?

A
Decaying leaves are an abiotic factor because they are living.
B
Rocks are an abiotic factor because they have never been alive.
C
Water in ponds is a biotic factor, because it provides a habitat for living things.
D
Oxygen is a biotic factor, because it is required for life and found in all living things.
7

A dietician examines the diet of a patient who is complaining that he is unable to build muscle mass. The patient eats mainly fresh fruits, vegetables, pasta, bread, and some fats and oils. Which type of supplement will the dietician most likely recommend?

A
citric acid
B
fatty acids
C
nucleic acids
D
amino acids
8

The brothers pictured below are identical twins.The boys in this picture look alike because their bodies contain identical

Question illustration
A
carbohydrates.
B
lipids.
C
nucleic acids.
D
proteins.
9

Which of the following best states the difference between an alcohol and an ether?

A
In an alcohol, a carbon atom is double bonded to an oxygen atom; in an ether, a carbon atom is triple bonded to another carbon atom.
B
In an ether, a carbon atom is double bonded to an oxygen atom; in an alcohol, a carbon atom is triple bonded to another carbon atom.
C
In an alcohol, a carbon atom is single bonded to a hydroxide group (OH–); in an ether, an oxygen atom is single bonded to two carbon atoms.
D
In an ether, a carbon atom is single bonded to a hydroxide group (OH–); in an alcohol, an oxygen atom is single bonded to two carbon atoms.
10

Which of the following best states the difference between an alcohol and an ether?

A
In an alcohol, a carbon atom is double bonded to an oxygen atom; in an ether, a carbon atom is triple bonded to another carbon atom.
B
In an ether, a carbon atom is double bonded to an oxygen atom; in an alcohol, a carbon atom is triple bonded to another carbon atom.
C
In an alcohol, a carbon atom is single bonded to a hydroxide group (OH–); in an ether, an oxygen atom is single bonded to two carbon atoms.
D
In an ether, a carbon atom is single bonded to a hydroxide group (OH–); in an alcohol, an oxygen atom is single bonded to two carbon atoms.
11

Which level of organization is characterized by a group of cells that work together to perform a common function?

A
organ
B
tissue
C
organ system
D
organism
12

A lion eating a zebra is an example of which characteristic of life?

A
having cells
B
responding to the environment
C
using energy
D
growing and developing

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