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The unwinding of the DNA strands in replication is done by:
Anonymous Quiz
10%
-DNA polrmerase I
84%
-DNA helicase
6%
-ligaze
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-In mitosis, the process of cells cytoplasm division that occurs after mitosis is
complete:
complete:
Anonymous Quiz
87%
-Cytokinesis
13%
-endomieosis
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-The stage where the cell grows, duplicates its material, and synthesize proteins is:
Anonymous Quiz
7%
-metaphase
73%
-Interphase
19%
-prophase
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-Pyrimidines include:
Anonymous Quiz
14%
-Cytosine and guanine
15%
-adenine and Thymine
71%
-Cytosine and Thymine
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Which enzymes replace the RNA primer with DNA in Okazaki fragments?
Anonymous Quiz
51%
β DNA Polymerase I
15%
β DNA Polymerase II
23%
β DNA Polymerase III
12%
-Helicase
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Which of these is a characteristic of eukaryotes?
Anonymous Quiz
9%
β No membrane bound organelle
13%
β No membrane bound nucleus
77%
β Multiple linear chromosomes
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What are the ratios If parents have (xB xb) (xB y) ? (B= normal vision, b =
coloured blindness)
coloured blindness)
Anonymous Quiz
67%
β 50% normal , 25% carrier, 25% coloured blindness
26%
β 25% normal , 50% carrier, 25% coloured blindness
7%
β 25% normal , 25% carrier, 50% coloured blindness
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Nucleotide bases are linked together by which bond?
Anonymous Quiz
30%
β phosphoester bonds
62%
β Hydrogen bonds
8%
β glycosedic bonds
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Which of the following link sister chromatid together?
Anonymous Quiz
13%
β chromatide
5%
β genes
83%
β Centromere
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Itβs a small circular DNA molecule and it works as antibiotic resistance in
bacteria?
β
bacteria?
β
Anonymous Quiz
12%
β nucleoi
88%
β Plasmid
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Which phase in cell division that sister chromatids line up along the
centre of the cell?
β
centre of the cell?
β
Anonymous Quiz
8%
β prophase
79%
β Metaphase
13%
β anaphase
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Segament of paternal / maternal chromatids exchange during meiosis 1?
Anonymous Quiz
85%
β Crossing over
15%
-Cytokinase
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Q)Which of the following is present in both eukaryotic cell and
prokaryotic cell?
prokaryotic cell?
Anonymous Quiz
18%
β Cytoskeleton
67%
β Ribosome
15%
β Mitochondria
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6. Which of these mechanisms/structures belongs to prokaryotes?
Anonymous Quiz
9%
A- Multiple linear chromosomes
12%
B- Diploid
80%
C- Transcription and translation occur simultaneously in the cytoplasm
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Single gene that control different phenotypical trait
-
-
Anonymous Quiz
35%
- polygenic traits
65%
- pleiotropy
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Which of the following is Characteristics of Eukaryotic genome
Anonymous Quiz
26%
A- Present In cytoplasm
47%
B- Less compact than Prokaryotic genome
27%
C- Has extra circular DNA plasmid
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Which of these is a characteristic of eukaryotes
Anonymous Poll
89%
A- Multiple linear chromosomes
11%
B- No membrane bound nucleus
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