FFM Quiz Sep 26-30

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?

• A. Enzymes are specific to a substrate.
• B .Enzymes can operate in a wide range of conditions.
• C. Enzymes are activated by neighboring molecules.
• D. Enzymes can be found in all life-forms.

Which cellular process takes place in the   ribosomes that are bound to the endoplasmic   reticulum?

• A. The breakdown of waste material
• B. The conversion of radiant energy to glucose
• C. The synthesis of new proteins
• D. The replication of nucleic acids

Which diagram represents an organelle that contains the enzymes needed to synthesize ATP in the presence of oxygen?

• A. 1
• B. 2
• C. 3
• D. 4

The cells of multicellular organisms are-

• A. smaller than those of unicellular organisms.
• B. simpler than those of unicellular organisms.
• C. specialized to perform particular functions. 
• D. not dependent on one another.

This organism pictured above most likely is a –

• A. bacterium
• B. prokaryote
• C. eukaryote
• D. virus

Both euglena and cyanobacteria are photosynthetic unicellular organisms found in pond water.  The feature that distinguishes euglena from cyanobacteria is the —

• A. ability to maintain homeostasis
• B. presence of ribosomes
• C. ability to reproduce
• D. presence of a nuclear membrane

The structure below is a monomer for which of the following organic molecule?

• A. enzyme
• B. triglyceride
• C. cellulose
• D. Deoxyribonucleic acid

In a chemical analysis of a cell membrane, which molecule would be the most abundant?

• A. carbohydrate
• B. lipid
• C. protein
• D. nucleic acid