Biology Semester Review Questions 2019

What is the key role (function) of carbohydrates?

• energy storage

• immunity, muscles, structure for tissues, cell metabolism

• instant energy for cells and body functions

• genetic information (heredity)

Tags

NGSS.MS-LS1-7

Lipids key role (function ) is:

• immunity, chemical reactions in the body, cell metabolism, contract muscles, regulate other proteins

• store energy

• instant energy for cells/body

• heredity/genetic information

Tags

NGSS.MS-LS1-7

Carbohydrates are more digestible than lipids.

• True

• False

How how carbohydrates and lipids similar?

• both contain C, H, O, N, P and store energy

• both contain C, H, O, N and give energy

• both contain C, H, O, N, S and store energy

• both contain C, H, O and give energy

All the saccharides are considered:

• carbohydrates

• lipids

• proteins

• nucleic acids

What is the key role (function) of a monosaccharide, disaccharide, or a polysaccharide?

• instant energy for the cells/body

• store energy

• transport hemoglobin, immunity, chemical reactions, regulate other proteins, provide structure for tissues, cell metabolism, contract muscles

• genetic information/heredity

Tags

NGSS.HS-LS1-7

Identify the key role of nucleic acids:

• instant energy

• hormone, buoyancy, forms cell membranes, insulation, energy storage

• transport hemoglobin, immunity,chemical reactions, regulate proteins, tissue structure

• store and transmit heredity, genetic information

The cell membrane is mostly made of what 2 biomolecules?

• Lipids and Nucleic acids

• Protein and Nucleic acids

• Carbohydrates and lipids

• Lipids and Proteins

The cell membrane assist the cell in maintaining homeostasis by..

• Coding for our traits

• providing long term energy

• Allowing molecules to move into and out of the cell as needed

• speeding up chemical reactions

Tags

NGSS.HS-LS1-3

Proteins in the cell membrane serve what major function ?

• They provide the framework of the cell

• They serve as attachment site

• They help with transport of materials in and out of the cell

• They allow cells to communicate with other cells