Biotechnology Engineering · all questions

Cell Biology
practice.

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Q41

Match the products in Group I with the applications in Group II.

Group I	Group II
P. Digoxin	1. Muscle relaxant
Q. Stevioside	2. Anti-cancer agent
R. Atropine	3. Cardiovascular disorder
S. Vinblastine	4. Sweetener

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Q42

A cell in G₁ of interphase has 12 chromosomes. How many chromatids will be found per cell during metaphase II of meiosis?

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Q43

Which of the following is a Pattern Recognition Receptor (PRR)?

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Q44

Peptidyl transferase are associated to

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Q45

In eukaryotes, cytokinesis is inhibited by

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Q46

Apoptosis is characterized by

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Q47

Cell type A secretes molecule X into the culture medium. Cell type B in the same culture responds to the molecule X by expressing protein Y. Which one of the following modes of signaling represents the interaction between A and B?

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Q48

The cytokinetic organelle in plant cells is

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Q49

Which of the following rings of the basal granule in gram negative bacteria is anchored to the plasma membrane?

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Q50

The most variable period of the cell cycle is

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Q51

Which of the following are energy transducing membranes?
P. Plasma membrane of bacteria
Q. Inner membrane of chloroplasts
R. Inner membrane of mitochondria

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Q52

Which of the following statements are correct about eukaryotic cell cycle?
P. CDKs can phosphorylate proteins in the absence of cyclins.
Q. CDKs can be inactivated by phosphorylation.
R. Degradation of cyclins is required for cell cycle progression.
S. CDKs are not involved in chromosome condensation.

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Q53

Lysosomes contain

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Q54

Murein is a

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Q55

Centromere duplication begins as the cell

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Q56

The proton-sugar transporter in bacteria is

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Q57

The lipopolysaccharides present in bacterial cell wall has lipid A which is connected to

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Q58

When thymidine synthesis is inhibited, eukaryotic cells will be arrested at

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Q59

Human olfactory receptors are

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Q60

Match sub-cellular organelles listed in Group I with their features listed in Group II.

Group I	Group II
P. Mitochondrion	1. Single membrane enclosed
Q. Chloroplast	2. Double-membrane enclosed
R. Nucleus	3. Maternal inheritance
S. Endoplasmic reticulum	4. Endosymbiotic origin

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