Biology TEKS

Biology TEKS

9th Grade

8 Qs

quiz-placeholder

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Biology TEKS

Biology TEKS

Assessment

Quiz

Biology

9th Grade

Hard

Created by

Charles Martinez

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8 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Animals in the wild must be able to store large amounts of energy because they may go for some time without finding food. Their long-term store of energy is in the form of lipids. Plants store energy for use over the winter in the form of carbohydrates such as starch. What is the advantage to animals of storing energy in the form of lipids rather than carbohydrates for long-term energy needs?
Lipids can be used in different parts of the cell
Lipids are much easier to digest
Lipids contain more calories per gram
Lipids are insoluble in aqueous parts of blood

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Like complex carbohydrates, proteins are biomolecules that serve many functions and can be chemically broken down and restructured. Both proteins and complex carbohydrates are which of the following?
Polymers of smaller subunits
Sequence of sugars
Lipids of large molecules
Nucleotides of DNA

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Proteins and polysaccharides are polymers. These polymers are formed by dehydration synthesis. Which statement correctly identifies a difference in the structure of proteins and polysaccharides?
Only polysaccharides are comprised of repeating units of cytosine, adenine, guanine, and thymine.
Only proteins are formed from amino acids joined by peptide bonds.
Only polysaccharides can be folded and twisted to very specific shapes.
Only proteins can be large molecules with thousands of subunits.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
Which of these best represents a fatty-acid molecule?
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5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Carbohydrates are more easily metabolized than lipids. However, on a gram-for-gram basis lipids provide cells with more —
nitrogen
proteins
structure
energy

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following biomolecules typically contains both nitrogen and phosphate?
Lipid
Protein
Nucleic acid
Carbohydrate

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
A student preparing for a hike wants to pack a snack that has biomolecules that provide quickly available energy but few excess calories. Which nutrition label lists the best combination of biomolecules that provide quickly available energy while providing the fewest calories from other types of biomolecules?
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View the image
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8.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The differences between two molecules include the type of sugar that forms a section of the molecules and the identity of one of the four nitrogenous bases that make up another section of the molecules. These two molecules are —
proteins
lipids
nucleic acids
complex carbohydrates