ENGLISH HELP!

BIOLOGY 103 – QUIZ # 1

Students please note: to each question, there is only a single correct answer. Click on the box to the left of the correct answer.

1. Which is not a term associated with systematic study?

FORMCHECKBOX a) truth.

FORMCHECKBOX b) theory

FORMCHECKBOX c) observation.

FORMCHECKBOX d) experimentation.

FORMCHECKBOX e) hypothesis.

2. Four of the five answers below are related by a common chemical similarity. Select the exception

FORMCHECKBOX a) cellulose.

FORMCHECKBOX b) hydrochloric acid

FORMCHECKBOX c) amino acid.

FORMCHECKBOX d) protein.

FORMCHECKBOX e) nucleic acid.

3. Which functional group is found in all acohols?

FORMCHECKBOX a) carboxyl.

FORMCHECKBOX b) hydroxyl

FORMCHECKBOX c) amino.

FORMCHECKBOX d) methyl.

FORMCHECKBOX e) carbonyl.

4. The association of four subunit peptides in a fully functional molecule of hemoglobin is a good example of …..

FORMCHECKBOX a) primary protein structure.

FORMCHECKBOX b) secondary protein structure.

FORMCHECKBOX c) tertiary protein structure.

FORMCHECKBOX d) quaternary protein structure..

FORMCHECKBOX e) none of the above.

5. Unlike eukaryotic cells, bacterial cells ….

FORMCHECKBOX a) have no plasma membrane.

FORMCHECKBOX b) have RNA but not DNA

FORMCHECKBOX c) have no nucleus.

FORMCHECKBOX d) have no plasma membrane and no nucleus.

6. One part of the cell theory states that

FORMCHECKBOX a) all cells have a nucleus.

FORMCHECKBOX b) all cells divide by meiosis

FORMCHECKBOX c) all living organisms are made up of one or more cells.

FORMCHECKBOX d) cells arise through spontaneous generation.

FORMCHECKBOX e) growth is solely the result of cell division.

7. These organelles are sometimes referred to as rough or smooth, depending on their appearance in electron micrographs.

FORMCHECKBOX a) Golgi bodies.

FORMCHECKBOX b) ribosomes

FORMCHECKBOX c) mitochondria.

FORMCHECKBOX d) lysosomes.

FORMCHECKBOX e) endoplasmic reticulum.

8. Which of the following is an organized series of reaction steps in which membrane-bound arrays of enzymes and other molecules give up and accept electrons in turn?

FORMCHECKBOX a) cyclic metabolic pathway.

FORMCHECKBOX b) endergonic reaction

FORMCHECKBOX c) electronic transfer chain.

FORMCHECKBOX d) concentration gradient.

FORMCHECKBOX e) passive transport.

9. A single-celled freshwater organism is transferred to salt water. Which of the following is likely to happen?

FORMCHECKBOX a) The cell bursts.

FORMCHECKBOX b) Salt is pumped out of the cell

FORMCHECKBOX c) The cell shrinks.

FORMCHECKBOX d) Enzymes flow out of the cell.

FORMCHECKBOX e) All of the above.

10. Fermentation

FORMCHECKBOX a) may occur in a muscle under anaerobic conditions.

FORMCHECKBOX b) produces more ATP than is liberated in the electron transfer series

FORMCHECKBOX c) breaks down glucose in reaction with oxygen.

FORMCHECKBOX d) is restricted to yeasts.

FORMCHECKBOX e) none of the above.