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