Deck 12 (221 - 240)

Question 1

221. The nuclear DNA is synthesised:

a. in the mitosis
b. in the meiosis
c. in the S phase
d. in the G2 phase

Answer 1

c. in the S phase

Question 2

222. Which of the following is NOT a characteristic of all living organisms:

a. reproduction
b. heredity
c. movement from place to place
d. all of the above are characteristics of all living organisms

Answer 2

c. movement from place to place

Question 3

223. The following belong to vitamins soluble in water:

a. B, C, A, D
b. A, D, E, K
c. niacin and pyridoxine
d. retinol, phylochinon, and tocopherol

Answer 3

c. niacin and pyridoxine

Question 4

224. The total amount of nitrogenous bases is ?

Answer 4

5

Question 5

225. Protein synthesis occurs on ?

Answer 5

on ribosomes

Question 6

226. Which of the following is NOT found in a lipid coacervate droplet or a proteinoid microsphere:

a. the ability to grow
b. nucleus
c. a two layer boundary
d. division by pinching in two

Answer 6

b. nucleus

Question 7

227. The following is/are the storage form of glucose in the organism of man:

a. sucrose
b. galactose
c. fructose
d. glycogen

Answer 7

d. glycogen

Question 8

228. Many complex liquids are the part of:

a. enzymes
b. vitamins
c. growth factors
d. cytokines

Answer 8

b. vitamins

Question 9

229. Transcription is the synthesis of the following molecules:

a. DNA
b. proteins
c. nucleoproteins
d. mRNA

Answer 9

d. mRNA

Question 10

230. The Miller-Urey experiments yielded:

a. urea
b. hydrogen cyanide
c. amino acids
d. all of the above

Answer 10

d. all of the above

Question 11

231. Liver of man:

a. is a place of the production of bile
b. is a place of the synthesis of insulin
c. lies under the stomach in the duodenal bend
d. is a place of digesting and absorbing the nutrients

Answer 11

is a place of the production of bile

Question 12

232. The basic principle of eukaryotic cells:

a. is the same
b. is different
c. depends on the origin
d. depends on the function and shape

Answer 12

a. is the same

Question 13

233. Replication of the DNA in animal cells occurs:

a. only in the nucleus
b. in the cytoplasm
c. in the nucelus and in mitochondria
d. only in the nucleoulus

Answer 13

in the nucleus and in mitochondria

Question 14

234. What did Miller and Urey use as a source of energy in their experiments?

Answer 14

an electrical spark

Question 15

235. Liver of man:

a. is the largest and most important endocrine gland in the body
b. is the largest exocrine gland in the body
c. its average weight is 3 kg
d. is placed under the diaphragm on the left part of the adominal cavity

Answer 15

is the largest exocrine gland in the body

Question 16

236. Biomembrane is:

a. single-layer
b. double-layer
c. triple-layer
d. four-layer

Answer 16

b. double layer

Question 17

237. In the DNA molecule, the following are complementary nitrogenous bases:

a. A-G. G-C, A-T, G-C
b. C-T, A-T, G-C, C-G
c. G-A, C-G, T-A, G-C
d. T-A, G-C, A-T, C-G

Answer 17

T-A, G-C, A-T, C-G

Question 18

238. The oxygen that is present in our atmosphere comes primarily from the:

a. breakdown of ozone
b. breathing of animals
c. photosynthesis of plants, algae & bacteria
d. none of the above

Answer 18

photosynthesis of plants, algae & bacteria

Question 19

239. Kidneys of man are situated:

a. in the area of lumbar part of spine
b. as a non-pair, bean-shaped organ along the sides of lumbar spine
c. as a pair, bean-shaped organ along the sides of the sacral spine
d. along the sides of the thoracic spine at the back wall of the abdominal cavity

Answer 19

in the area of lumbar part of spine

Question 20

240. Structural firmness of biomembranes is provided by?

Answer 20

integral proteins