Biochemistry and Nanotechnology Practice Test

Review the following concept if needed:

• Biochemistry, Nanotechnology, and the Future Help

Biochemistry and Nanotechnology Practice Test

1. Single-celled organisms break down organic molecules through

(a) vaporization

(b) cell division

(c) metabolism

(d) evaporation

2. Organic protein molecules serve living systems in which of the following ways?

(a) strength

(b) transport

(c) messengers

(d) all of the above

3. Paul Ehrlich

(a) received the Nobel prize in 1948 for his treatment of mad cow disease

(b) is known as the father of chemotherapy

(c) discovered chemical solutions that kill microorganisms and patients

(d) worked exclusively with chitin protein in crab shells

4. The core of the hemoglobin molecule is

(a) iron

(b) gold

(c) zinc

(d) magnesium 

5. Macromolecules are

(a) ionic compounds found in minerals

(b) covalently bonded molecules of large size

(c) about 2 millimeters long

(d) can be found in mercury solutions

6. Amino acids are

(a) based on ethyl subgroups

(b) bonded by (OH–) bonds

(c) available as supplements to improve eyesight

(d) bonded by peptide (C–N) bonds

7. Ozone is

(a) made up of NH ₃ molecules

(b) increasing all the time

(c) made up of O ₃ molecules

(d) located 250 miles up in the atmosphere

8. The three main types of radiation given off during decay are

(a) neutrino waves

(b) alpha, beta, and gamma rays

(c) tachyon emissions

(d) alpha, beta, and zeta rays

9. Nanotechnology is the study of elements

(a) at the single atom level of 10 ^–6 meters

(b) found outside a cell nucleus

(c) found only in platinum samples of high density

(d) at the single atom level of 10 ^–9 meters

10. When molecules can be broken down, they are

(a) biodegradable

(b) catalytic

(c) vaporized

(d) saturated 

Answers

1. C

2. D

3. B

4. A

5. B

6. D

7. C

8. B

9. D

10. A