What will happen if you place a plant cell in salt water ?

It will shrivel (smaller) because water will exit the cell.

It will swell (bigger) because water will enter the cell.

It will swell (bigger) because water will exit the cell.

Osmosis is the movement of water . What will be the direction of the water movement?

The water will move in both direction at equal rates!

Why are viruses are considered nonliving organisms?

Viruses need a host cell to reproduce .

Viruses cannot absorb nutrients .

Which of the following occurs after a virus attaches to a host cell in the viral reproduction process?

The virus inserts its genetic information into the host cell.

The host cell immediately dies .

The virus dies after attaching the the host cell.

Copies of the virus are immediately released from the host.

In mitosis , the two resulting cells are -

identical to the starting cell and identical to each other.

different from the starting cell and identical to each other.

different from the starting cell and different from each other.

identical to the starting cell and different from each other.

DNA replication results in two DNA molecules,

each one with one new strand and one original strand

each one with two original strands

one with two new strands and the other with two original strands

What are the three components of a nucleotide?

sugar, phosphate, nitrogen base

What determines the code, or information, of a DNA molecule?

the order (sequence) of the nitrogen bases

the shape (structure) of the nitrogen bases

the color of the nitrogen bases

the frequency (number) of nitrogen bases

What is the purpose of this process?

to create polypeptides and, eventually proteins for gene expression

to copy original DNA strands into complimentary strands

to regulate the internal environment of the cell

The main function of tRNA is to...

bring amino acids from the cytoplasm to the ribosomes

carry a message that, when translated, forms proteins

string together complementary RNA and DNA strands

Why is the order of amino acids so important?

The order of amino acids dictates what shape the protein will fold into.

It is not important. The protein folding chamber will force the protein to fold into the correct shape.

Biology STAAR Review

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Biology STAAR Review

Quiz

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Biology

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9th Grade

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Practice Problem

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Medium

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NGSS

HS-LS1-1, HS-LS3-2, HS-LS1-3

+24

Standards-aligned

Ana Guerrero

Used 896+ times

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102 questions

Show all answers

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which biomolecule is this a picture of?

Protein

Nucleic Acid

Lipid

Carbohydrate

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which biomolecule is this a picture of?

Protein

Nucleic Acid

Lipid

Carbohydrate

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which biomolecule is this a picture of?

Protein

Nucleic Acid

Lipid

Carbohydrate

Tags

NGSS.HS-LS1-1

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which biomolecule is this a picture of?

Protein

Nucleic Acid

Lipid

Carbohydrate

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which biomolecule is responsible for insulation and long-term energy storage?

Protein

Nucleic Acid

Lipid

Carbohydrate

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which biomolecule is made of amino acids and provides structural support?

Nucleic Acid

Carbohydrate

Protein

Lipid

Tags

NGSS.HS-LS1-6

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which biomolecule is your main source of energy?

Nucleic Acid

Protein

Lipid

Carbohydrate

Tags

NGSS.HS-LS1-7

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Which biomolecule is this a picture of?

Which biomolecule is this a picture of?

Which biomolecule is this a picture of?

Which biomolecule is this a picture of?

Which biomolecule is responsible for insulation and long-term energy storage?

Which biomolecule is made of amino acids and provides structural support?

Which biomolecule is your main source of energy?

1. What organelle is responsible for letting things in and out of the cell?

What organelle controls the functions within the cell (similar to the brain)? This organelle stores DNA!

What is the powerhouse of the cell? It converts glucose into energy that the cell can use during cellular respiration.

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