- Adherens junctions are more common in __.
a. Adipose tissue
b. Cartilage
c. Bone
d. Epithelia - How much distance is present between the plasma membranes of the cells attached with zonulae adherens.
a. 0.2 nm
b. 2.0 nm
c. 20 nm
d. 200 nm - What kind of protein is highly concentrated at the zone of adherens;
a. Actin
b. Myosin
c. Defensin
d. Cadherins - Anticodon sequences are present at the;
a. DNA
b. mRNA
c. tRNA
d. rRNA - Which one of the following terms is incorrect?
a. Antibody
b. Autoantibody
c. Defensin
d. All are correct - The central microtubule forming core inside cilia or flagella is called?
a. Core
b. Microparts
c. Central microtubule
d. Axoneme - The cut and patch mechanism used to repair DNA is also called?
a. Base excision repair
b. Nucleotide repair
c. Mismatch repair
d. Both a & b - Which one lacks a basal lamina?
a. Surrounds the cells of muscle tissue
b. Underneath the cells of the epithelium
c. Both have
d. Both lack - The cells of tumors that involve in the sustaining and spread of tumors are called?
a. Onco-cells
b. Cancer stem cells
c. Proliferative cell
d. Malignant cells - A system that lacks any cell but use to study cellular activities is known as___.
a. Non-cellular system
b. Invitro
c. In vivo
d. Cell-free system - A protein that converts the chemical emery of ATP to the mechanical force of cilia is called _.
a. Phosphorylase
b. ATPase
c. Channel protein
d. Ciliary dynein - Which one changes the behavior of immune cells?
a. Antigen
b. Antibodies
c. Cytokines
d. Cyclins - The collection of Cloned fragments of genetic materials is called _.
a. DNA pool
b. Gene pool
c. DNA library
d. DNA house - A site on DNA that Increases the rate of transcription of a gene is called?
a. Promoter
b. Operon
c. Enhancer
d. Translocon - Which one is a natural killer to the family as __?
a. T lymphocyte
b. B lymphocytes
c. Monocytes
d. Both a & b - Which one is not a part of the operon?
a. Structural gene area
b. Promoter
c. Operator
d. All are present - Dissolved pectin have _____charge.
a. Positive
b. Negative
c. Neutral
d. Some sites have positive some negative - It is a channel in the Endoplasmic Reticulum membrane through newly formed proteins moved from cytoplasm to lumen of the endoplasmic reticulum.
a. Cistron
b. Operon
c. Transposon
d. Translocon - These are the DNA Segments that move from one chromosome to another are called?
a. Cistron
b. Operon
c. Transposon
d. Translocon - It is a cyclic pathway for the complete oxidation of acetyl- Co-A.
a. TCA cycle
b. Calvin cycle
c. Oxidation of pyruvate
d. ETC - A gene that code protein factor that stops cell growth is name ad __.
a. Cyclin gene
b. Turnover-suppressor gene
c. Oncogene
d. Apoptotic gene - Destruction of beta cells of the pancreas occurs in the;
a. Type 1 diabetes
b. Type 2 diabetes
c. In both
d. Not destroyed in any case - Ubiquinone is a _ soluble molecule.
a. Water
b. Lipids
c. Acid
d. Base - Usher syndrome a genetic disease caused results in _ damage.
a. Hearing
b. Vision
c. Both A
d. None - Untranslated regions on the mRNA present at __.
a. 5b. 3
c. Both on 5& 3
d. Removed during transcription
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Answer Keys for 7 Days PPSC Planner Zoology Quiz – 5 – Molecular Biology