Unit 2-Structure, Function and Information Processing

Enzymes are important because they

• contain water.

• speed up chemical reactions.

• contain genetic material.

• help the cell maintain its shape.

Tags

NGSS.MS-PS1-2

Which term refers to the diffusion of water through a membrane?

• osmosis

• engulfing

• active transport

• facilitated transport

What happens in the phloem?

• Food moves down from leaves.

• Food moves up from roots.

• Water moves down to roots.

• Water moves up from roots.

Tags

NGSS.MS-LS2-3

Carbon dioxide and ____________ are outputs of cellular respiration.

• cells

• water

• energy

• respiration

A student is observing a cell on a microscope slide and notices cell walls and membrane-bound organelles. The student concludes that the cells

• could be plant, animal, or bacterial cells.

• must be bacteria cells.

• must be animal cells.

• must be plant cells.

Tags

NGSS.MS-LS1-2

_________________ is essential to living things because many of the chemical reactions that occur in living things require it.

• energy

• phloem

• water

• diffusion

Tags

NGSS.MS-LS1-2

____________________ are nerve cells that carry response information to muscles and organs.

• sensory neurons

• motor neurons

• xylem neurons

• carrier neurons

Tags

NGSS.MS-LS1-3

A(n) ____________________ is a group of similar cells that perform a specific function in an organism.

• tissue

• spinal chord

• power chord

• cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

_______________ are the basic units of structure and function in living things.

• water

• organs

• sensory neurons

• cells

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Molecules naturally spread from areas of ______________ concentration to areas of ______________ concentration through a process called _____________.

• high; low; active transport

• low; high; passive transport

• high; low; diffusion

• low; high; diffusion