Test 1

Question 1

the process of transcription is performed by which enzyme?

Answer 1

RNA Polymerase

Question 2

what is the first step in gene expression?

Answer 2

transcription

Question 3

RNA copy of the gene is also called?

Answer 3

transcript

Question 4

the RNA copy of a gene is made in which direction?

Answer 4

5 to 3

Question 5

new nucleotides are added to which end of the growing transcript?

Answer 5

3 end

Question 6

write the 3 steps of transcription?

Answer 6

initiation, elongation, termination

Question 7

what is a promoter sequence on the DNA strand?

Answer 7

its the recognition sequence on the DNA strand

Question 8

the strand on the DNA other than the template strand is called?

Answer 8

coding strand

Question 9

hairpin sequence is an example of ———- sequence.

Answer 9

termination

Question 10

eukaryotic RNA transcript involves addition of 5 cap and 3 poly A tail as well as ———–

Answer 10

splicing

Question 11

in splicing, the ———– are cut off and ——- are united

Answer 11

introns, exons

Question 12

building of a protein molecule from an RNA transcript is called ————–

Answer 12

translation

Question 13

a codon consists of how many nucleotides?

Answer 13

3

Question 14

how many codons are there?

Answer 14

61

Question 15

name the start codon?

Answer 15

AUG

Question 16

AUG encodes which amino acid?

Answer 16

methionine

Question 17

name the 3 stop codons?

Answer 17

UAA, UGA, UAG

Question 18

If mRNA has codons, tRNA has ————-

Answer 18

anticodons

Question 19

the process of translation takes place on which organelles of the cell?

Answer 19

ribosomes

Question 20

whenever UAA, UGA or UAG is present in the mRNA transcript, it ———– the process of translation.

Answer 20

ends/terminates

Question 21

a bone is made up of ——– & ———–

Answer 21

bone cells and bone matrix

Question 22

what are osteoblasts?

Answer 22

bone forming cells

Question 22

what are osteoclasts?

Answer 22

bone resorbing cells

Question 22

what are osteocytes?

Answer 22

mature bone cells

Question 22

enlist 2 functions of bones?

Answer 22

support and movement

Question 23

what is compact bone?

Answer 23

outer shell of bone

Question 24

what is spongy bone?

Answer 24

inner bone

Question 25

bone marrow is present in compact or spongy bone?

Answer 25

spongy bone

Question 26

nutrition of bone is through?

Answer 26

nutrient artery

Question 27

———- is the sheath around the compact bone.

Answer 27

periosteum

Question 28

———- lines the inside of the spongy bone

Answer 28

endosteum

Question 29

name the 3 parts of bone?

Answer 29

epiphysis diaphysis and metaphysis

Question 30

what are the 2 ways by which bones develop?

Answer 30

intramembranous and endochondral

Question 31

bones of vertebral column and rib cage come under axial or appendicular skeleton?

Answer 31

axial

Question 32

bones of limbs and girdles come under axial or appendicular skeleton?

Answer 32

appendicular