問題一覧
1
The process by ehich DNA makes an identical copy of itself is called:
Replication
2
Which of the following is NOT a type of RNA produced during transcription?
Deoxyribonclueic acid (DNA)
3
Whixh enzyme is responsible for assembling or building new DNA strands during replication
DNA polymerase
4
Which of the following nitrogeneous base is NOT found in RNA?
Thymine
5
What is the start codon that iniates translation?
AUG
6
Replication occurs in which cellular compartment?
Nucleus
7
What is the primary function of RNA translation
Syntgesizing RNA molecules
8
Which molecules are involved in a pairing process during RNA translation?
mRNA and tRNA
9
Relication is a :
Semj-conservative process
10
Replication errors can lead to:
Genetic mutations
11
Which of the following best describes the function of ligase in DNA replication?
Filling in gaps left by DNA polymerase
12
Which of the following molecules carrues the anticodon that pairs with the codon on mRNA during translation?
tRNA
13
Transcription occurs in the:
Nucleus
14
In eukaryotic cells, RNA transcription takes place in the:
Nucleus
15
How does species diversity increase the probability of adaptation and survival of organisms in changing environment?
By providing a wider range of potential adaptations through genetic variation
16
The process of unwinding and separating the DNA strands during replication requires the enzyme:
Helicase
17
After replication, each daughter DNA molecule contains:
One new and one old strand
18
What happens during pairing process in RNA translation?
tRNA anticodons match with mRNA codons
19
Which of the following is NOT a type of RNA involved in protein synthesis?
snRNA
20
What is the role of the nervous system in regulating feedback mechanisms that maintain homeostasis?
All of the above
21
Which enzyme is responsible for assembling the RNA strand during transcription?
RNA polymerase
22
The sequence of nucleotides in DNA determines tge sequence of nucleotides in:
RNA
23
What is the possible environmental issue that will occur if the river ecosystem dumped with garbage from illegal and toxin wastes from industries?
The river becomes wasteland
24
Nitrogeneous bases in the new DNA strand are complememtary to the
Complementary base pairs
25
What is the primary role of estrogen in tge female reproductive system
Regulating menstrual cycle
26
Which of the following is a characteristics of mRNA (messengerRNA)?
It is a single-stranded
27
The process of translation is terminated when a robosome encounters a
Stop Codon
28
The transfer of genetic information from DNA to RNA is called:
Transcription
29
Which of the following is NOT a stop codon?
AUG
30
The process of decoding the mRNA sequence to assemble a polypeptide chain is kwon as:
Translation
31
Which pairs of animals show a correct example of homologous structures?
Flipper of whale and forelimb of cat
32
What is the function of the start codon in translation?
Marks the beginning of protein sequence
33
What is the correct sequence of events during DNA transcription?
Iniation, Elongation, Termination
34
This refers to the group of organisms of tge same species that live in a certain area
Population