What will most likely happen if an appropriate enzyme is added to a chemical reaction?

The reaction rate will increase

The reaction rate will decrease

Which process is an example of asexual reproduction?

An amoeba divides in half to form two amoebas.

A bee transfers pollen from one flower to another.

A female fish deposits eggs on a rock, then a male fish releases sperm on them.

What is the function of enzymes in biological systems?

Enzymes act as catalysts to drive chemical reactions forward.

Enzymes act as substrates when the necessary proteins are unavailable.

Enzymes act as products to create new chemical reactions.

Enzymes bond with substrates to create the new reaction products.

Some peeled pieces of apple were placed in distilled water and some in very salty water. The cells in the apple pieces will…

Gain water in the distilled water and lose water in the salty water

Lose water in the distilled water and gain water in the salty water

How do viruses reproduce?

They invade a living cell and use the cell's functions to replicate their genetic material.

They copy their own genetic material inside a protein coat.

They kill a cell and reproduce inside it.

They do not reproduce because they are not technically living things.

What is the capsid of a virus?

the receptors to which it binds

What is one way that a lysogenic infection differs from a lytic infection?

A lysogenic virus can remain in the host DNA for a longer period without becoming active.

A lysogenic virus does not act on bacteria as a lytic virus does.

A lysogenic virus contains RNA instead of DNA.

A lysogenic virus directs the production of new viruses right away.

What does the peak of the dotted line represent?

activation energy with a catalyst

activation energy without a catalyst

Which of the following is the only characteristic shared by living cells and viruses?

the presence of the nucleic acid

Which of the following best describes cellular respiration?

the breakdown of sugar to release energy in cells

the movement of water from outside a cell to inside the cell

the removal of water from a cell

Which statement about enzymes is true?

Enzymes provide a site where reactants can combine.

Enzymes are consumed during a chemical reaction.

Enzymes provide energy to activate a chemical reaction.

Enzymes increase the concentration of reactant particles.

STAAR Biology EOC Category 1

Biology

9th - 12th Grade

NGSS covered

Used 419+ times

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38 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

An iodine solution is placed on the cut side of a potato. Within seconds, a blue-black color appears. What is most likely occurring?

A positive test for proteins

A positive test for starches

A negative test for proteins

A negative test for starches

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases. Which has occurred?

The swollen gums have absorbed the saltwater solution.

The saltwater solution lowers the temperature of the water in the gums.

The salt in the solution has moved against the concentration gradient.

The excess water has moved out of the gums.

Tags

NGSS.HS-LS1-3

NGSS.HS-PS1-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which organelle is the site where amino acids are synthesized into proteins?

Nucleus

Ribosome

Golgi apparatus

Mitochondria

Tags

NGSS.HS-LS1-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Plant cells that are specialized for cell division are most likely found in what part of a plant?

Root tips

Bark

Stem epidermis

Vascular tissue

Tags

NGSS.HS-LS1-4

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

This diagram shows the cell cycle.

Which of the following activities occur in the S phase?

Replication of the DNA

Growth of the cell

Formation of the mitotic spindle

Breakdown of the nuclear membrane

Tags

NGSS.HS-LS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

RNA and DNA are which type of organic compound?

Lipids

Carbohydrates

Nucleic Acids

Proteins

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A scientist treats a cell with a chemical that destroys the ribosomes. As a result, which cell process will be stopped?

Osmosis

Protein Synthesis

Photosynthesis

Cellular Respiration

Tags

NGSS.HS-LS1-1

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STAAR Biology EOC Category 1

An iodine solution is placed on the cut side of a potato. Within seconds, a blue-black color appears. What is most likely occurring?

A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases. Which has occurred?

Which organelle is the site where amino acids are synthesized into proteins?

Plant cells that are specialized for cell division are most likely found in what part of a plant?

This diagram shows the cell cycle.

Which of the following activities occur in the S phase?

RNA and DNA are which type of organic compound?

A scientist treats a cell with a chemical that destroys the ribosomes. As a result, which cell process will be stopped?

This diagram shows an enzyme-substrate complex.
Which is represented by Structure X?

Which is the most likely function of a group of cells that contain a high number of chloroplasts?

What will most likely happen if an appropriate enzyme is added to a chemical reaction?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Biology

STAAR Biology EOC Category 1

An iodine solution is placed on the cut side of a potato. Within seconds, a blue-black color appears. What is most likely occurring?

A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases. Which has occurred?

Which organelle is the site where amino acids are synthesized into proteins?

Plant cells that are specialized for cell division are most likely found in what part of a plant?

This diagram shows the cell cycle.Which of the following activities occur in the S phase?

RNA and DNA are which type of organic compound?

A scientist treats a cell with a chemical that destroys the ribosomes. As a result, which cell process will be stopped?

This diagram shows an enzyme-substrate complex.Which is represented by Structure X?

Which is the most likely function of a group of cells that contain a high number of chloroplasts?

What will most likely happen if an appropriate enzyme is added to a chemical reaction?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Biology

This diagram shows the cell cycle.

Which of the following activities occur in the S phase?

This diagram shows an enzyme-substrate complex.
Which is represented by Structure X?