Semester 1 Final BIology

A controlled experiment allows the scientist to isolate and test a single variable.

• True

• False

Which of the following is NOT a characteristic of all living things?

• growth and development

• ability to move

• response to the environment

• ability to reproduce

The process by which organisms keep their internal conditions fairly constant is called __________________. (Spelling counts and the answer must be in ALL LOWERCASE LETTERS).

The chemical reactions that take place within all living organisms and provide energy for essential processes is called…

• photosynthesis.

• metabolism.

Which of the following characteristics of living things best explains why some North American birds fly south for the winter?

• Living things respond to their environment.

• Living things have metabolism.

• Living things are made up of units called cells.

• Living things are based on a universal genetic code.

Enzymes affect the reactions in living cells by changing the speed of the reaction.

• True

• False

Protein is the organic compound that is the main source of energy for living things?

• True

• False

Tags

NGSS.MS-LS1-7

Which of the following is a function of proteins?

• help to fight disease

• control the rate of reactions and regulate cell processes

• used to form bones and muscles

• All of the above are functions of proteins

Proteins that act as catalysts to speed up chemical reactions in living things are called

• Antibodies

• Isomers

• Polysaccharides

• Enzymes

Which of these is the monomer of proteins?

• Ribose

• Amino Acid

• Glucose

• Saturated Fatty Acid

Tags

NGSS.MS-LS1-7

NGSS.MS-LS3-1