Molecular Biology Review

Which molecule is broken down during fermentation to produce energy for plants and animals?

• alcohol

• glucose

• oxygen

Tags

NGSS.MS-LS1-7

Crystal is trying to increase the protein in her diet. Which foods will best satisfy this nutritional need?

• peas, fish, milk, and beans

• apples, carrots, juice, and rice

• watermelon, spinach, coffee, and pasta

Which best describes the main component of carbohydrates?

• sugars

• proteins

• minerals

• vitamins

Why is protein an important part of a healthy diet?

• It is needed to change glucose to energy.

• It is needed to store nutrients.

• It is needed to repair tissue.

• It is needed to produce water.

One thing that all human cells have in common is that they

• control the brain

• make food

• move blood

• take in energy

Tags

NGSS.MS-LS1-2

Which best describes the process of photosynthesis?

• Carbon dioxide and oxygen are converted into glucose and water.

• Carbon dioxide and water are converted into glucose and oxygen.

• Oxygen and glucose are converted into carbon dioxide and water.

• Oxygen and water are converted into carbon dioxide and glucose.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A lion and a crocodile are both large animals, but a lion has to eat much more than a crocodile of the same mass to survive. Which statement BEST explains the difference?

• The crocodile eats larger prey than the lion can.

• The lion can store much more food than the crocodile can.

• The crocodile uses its food more efficiently than the lion does.

• The lion has to generate thermal energy and the crocodile does not.

Which best explains why organisms need food?

• Food is the source of energy required for growth and repair of tissues.

• Food provides the raw materials for producers to produce more food.

• Food is the source of water needed to hydrate the surface of cells.

• Food provides the oxygen necessary for plant and animal survival.

Tags

NGSS.MS-LS1-7

Which statement about cells and sugar is true?

• Both animal cells and plant cells use sugar.

• Animal cells use sugar, but plant cells do not.

• Animal cells do not use sugar, but plant cells do.

• Neither animal cells nor plant cells use sugar.

Tags

NGSS.MS-LS1-6

Which characteristic do all single-celled and multicellular organisms have in common?

• They release carbon dioxide as a waste product.

• They consume other organisms to obtain energy from food.

• They require oxygen for the production of glucose and water.

• They take in nutrients and break down the nutrients to release energy.

Tags

NGSS.MS-LS1-7