15740.What is a genophore?
DNA in prokaryotes
DNA and RNA in prokaryotes
DNA and protein in prokaryotes
RNA in prokaryotes
15741.Intact chloroplast from green leaves can be isolated by:
Acetone
Ethanol
Sucrose solution
Alcohol
15743.The size of molecules, which can pass through the plasma membrane is
4 - 15 Å
25 - 80 Å
8 - 10 Å
10 - 35 Å
15744.The plasma membrane consists mainly of
Proteins embedded in a carbohydrate bilayer
Phospholipids embedded in a protein bilayer
Proteins embedded in a phospholipid bilayer
Proteins embedded in a polymer of glucose molecules
15746.Nuclear matter without envelope occurs in
Bacteria and Green Algae
Bacteria and Cyanobacteria
Cyanobacteria and Red Algae
Mycoplasma and Green Algae
15747.The Golgi apparatus
Is found only in animals
Is found in prokaryotes
Is a site of rapid ATP production
Modifies and packages proteins
15748.Prokaryote is characterized by
Dispersed DNA and lack of membrane bound organelles
Absence of nuclear envelope
Absence of nucleolus
All of these
15749.Prokaryotic genetic system has
DNA but no histones
Both DNA and histones
Neither DNA nor histones
Either DNA or histones
15751.Smaller cell is
less active metabolically
with larger nucleus
with smaller nucleus
more active metabolically
15753.The main difference between plant and animal cells is
Plant cells has small vacuoles
Animal cell lacks rigid cell wall
Animal cells has large vacuoles
Plant cell lacks rigid cell wall
15754.Tonoplast, also called vacuolar membrane is a differentially permeable membrane surrounds the ______.
cytoplasm
vacuole
nucleus
mitochondria
15755.Which one of the following is not a constituent of cell membrane?
Phospholipids
Cholesterol
Glycolipids
Proline
15756.The two polynucleotide chains in DNA are:
Semiconservative
Parallel
Discontinuous
Antiparallel
15757.Phagocytosis and pinocytosis are collectively termed as
Endocytosis
Suspension feeding
Omnivores
Mucous trap
15758.Which one of the following structures between two adjacent cells is an effective transport pathway?
Plasmalemma
Plasmodesmata
Plastoquinones
Endoplasmic reticulum
15759.Vital stains are employed to study
Living cells
Frozen tissues
Fresh tissues
Preserved tissues