Biology Eco Review

Leaves are part of a plant’s shoot system. The xylem tissue in leaves transports —

• the bacteria needed for nitrogen fixation in root nodules

• the wax required to coat the surface of actively growing tissue

•  the water and minerals that are absorbed by the roots

• the oxygen that regulates the rate of carbohydrate production

Tags

NGSS.MS-LS2-3

Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?

• cell membrane

• cytoplasm

• nucleus

• vacuole

Tags

NGSS.MS-LS1-2

Enzymes are proteins that help increase the rate of chemical reactions inside cells. These proteins are composed of many simpler molecules called amino acids. Which of the following suggests that the shape of an enzyme determines the enzyme’s function?

• Enzymes are specific to a substrate

•  Enzymes can operate in a wide range of conditions.

• Enzymes are activated by neighboring molecules.

• Enzymes can be found in all life-forms.

Osmosis is the ______

• when the smell of the neighbors trash moves through the neighborhood

• smell of cookies moving through the kitchen

• movement of water across a semi-permeable membrane

• movement of gases across a room

Enzymes, hemoglobin and maltase are all considered to be which organic molecule?

• carbohydrates

• proteins

• nucleic acids

• lipids

Tags

NGSS.MS-LS1-7

NGSS.MS-LS3-1

Which of the following biomolecules carries genetic information?

• Lipids

• Carbohydrates

• Nucleic Acids

• Proteins

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Hypotonic solutions

• make cells shrink

• make cells swell

What is this image?

• a nucleus

• proteins

• cell membrane

• lipids

Tags

NGSS.MS-LS1-2

Why is DNA important?

• it is very small and very complicated

• it's in everything

• it serves as the blueprint for traits of all living things

• because we eat it every day for energy

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Where in the cell does cell respiration occur?

• chloroplast 

• central vacuole 

• mitochondria

• cell membrane