Biology Practice Questions 1

In which of these ways are prokaryotic and eukaryotic cells similar?

• They both contain DNA.

• They both contain a nucleus.

• They are both highly complex.

• They are both enclosed by a cell wall.

A student uses a microscope to observe a cell that has a cell wall, a plasma membrane, and circular DNA. What kind of cell is this student observing?

• plant cell

• animal cell

• eukaryotic cell

• prokaryotic cell

Tags

NGSS.MS-LS1-2

John is viewing a cell under a high-powered microscope. Which would indicate that the cell John is looking at is a eukaryote?

• the presence of DNA

• the presence of ribosomes

• the presence of mitochondria

• the presence of a cell membrane

Each beaker shown below contains an amphibian egg collected from one of four different locations. Which of these beakers contains an egg that would shrink?

• 1

• 2

• 3

• 4

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NGSS.HS-ESS2-5

A freshwater plant is placed in a container of saltwater. What will most likely happen to the cells of the plant?

• They will swell because water will move into them.

• They will swell because salt will move into them.

• They will shrink because water will move out of them.

• They will shrink because salt will move out of them.

Tags

NGSS.HS-LS1-3

If nucleic acids code for proteins, which is a function of proteins?

• to store hereditary information

• to store energy for long-term use

• to provide a quick supply of energy

• to provide structure and transport materials in cells

Tags

NGSS.HS-LS1-1

What functions do proteins serve to living things?

• stores long term energy

• transmit genetic information

• provides quick-release energy

• one, as enzymes that speed up chemical reactions in the body

Tags

NGSS.HS-LS1-1

Which best explains why the rate of a biochemical reaction decreases at high temperatures?

• The activation energy increases.

• The shape of the enzyme changes.

• The enzyme-substrate complex forms.

• The bonds between substrates are broken.

The chemical colchicine disrupts cell division. Which cell process would most likely stop if colchicine were added to a culture of human liver cells?

• mitosis

• meiosis

• crossing-over

• active transport

Tags

NGSS.HS-LS1-4

During hard exercise, body temperature increases. The body responds to the increase in temperature by sweating, which helps to reduce the body temperature. Which is demonstrated in this situation?

• excretion

• metabolism

• synthesis

• homeostasis

Tags

NGSS.HS-LS1-3