Cell Structure and Functions

Enzyme catalyse is seen in

Enzyme catalyse is seen in Options (a) lysosome (b) spherosome (c) peroxisome (d) All of these Correct Answer: peroxisome Explanation:…

Beet root if kept in cold water anthocyanin does not come out due to plasma membrane

Beet root if kept in cold water anthocyanin does not come out due to plasma membrane Options (a) Differentially permeable…

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…

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…

Concanavalin A is

Concanavalin A is Options (a) An essential oil (b) A lectin (c) A pigment (d) An alkaloid Correct Answer: A…

Cells in G phase

Cells in G₀ phase: Options (a) Enter the cell cycle (b) Suspend the cell cycle (c) Terminate the cell cycle…

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 cell organelle containing hydrolytic enzymes is

A cell organelle containing hydrolytic enzymes is Options (a) Ribosome (b) Mesosome (c) Lysosome (d) Microsome Correct Answer: LysosomeExplanation:The isolated…

Who among the following concluded that every cell comes from a pre existing

Who among the following concluded that every cell comes from a pre existing cell? Options (a) Virchow (b) Leeuwenhoek (c)…

Which one of the following is widely distributed in a cell

Which one of the following is widely distributed in a cell Options (a) DNA (b) RNA (c) Chloroplast (d) Chromoplast…