During cell growth DNA synthesis takes place in
During cell growth, DNA synthesis takes place in
Options
(a) G1 phase (b) M phase (c) S phase (d) G2 phase
Correct Answer:
S phase
Explanation:
DNA replication occurs in S ā phase […]
Cell Structure and Functions
DNA replication in bacteria occurs
DNA replication in bacteria occurs
Options
(a) Just before transcription (b) During S phase (c) Within nuleolus (d) Prior to fission
Correct Answer:
Prior to fission
Explanation:
DNA replication in bacteria occurs prior […]
Concanavalin A is
Concanavalin A is
Options
(a) An essential oil (b) A lectin (c) A pigment (d) An alkaloid
Correct Answer:
A lectin
Explanation:
Concanavalin A is a secondary metabolite e.g is lectin, it has […]
Cells in G phase
Cells in Gā phase:
Options
(a) Enter the cell cycle (b) Suspend the cell cycle (c) Terminate the cell cycle (d) Exit the cell cycle
Correct Answer:
Exit the cell cycle
Explanation:
Cells […]
Anaphase Promoting ComplexAPC is a protein degradation machinery necessary
Anaphase Promoting Complex(APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC us defective in a human cell, which of the following is expected to occur?
Options
(a) […]
Two cells are connected with the help of
Two cells are connected with the help of
Options
(a) plasmodesmata (b) plasma membrane (c) cell wall (d) none of these
Correct Answer:
plasmodesmata
Explanation:
No explanation available. Be the first to write […]
Tonoplast is the membrane surrounding the
Tonoplast is the membrane surrounding the
Options
(a) cytoplasm (b) vacuole (c) nucleus (d) mitochondria
Correct Answer:
vacuole
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Thylakoids in chloroplasts are
Thylakoids in chloroplasts are
Options
(a) interconnected sacs (b) a stack of lamella (c) interconnected tubules (d) place of Calvin cycle
Correct Answer:
interconnected sacs
Explanation:
No explanation available. Be the first to […]
Three of the following statements regarding cell organelles are correct while
Three of the following statements regarding cell organelles are correct, while one is wrong. Which one is wrong?
Options
(a) Lysosomes are double membrane vesicles budded off from Golgi apparatus and contain digestive […]
The waxy substance associated with cell walls of cork cells is
The waxy substance associated with cell walls of cork cells is
Options
(a) lignin (b) hemicellulose (c) suberin (d) cutin
Correct Answer:
suberin
Explanation:
No explanation available. Be the first to write the […]