1. bacterial cell can carry out the RNA splicing reactions
2. the hutnan chromosome can replicate in bacterial cell
3. the mechanism of gene regulation is identical in humans and bacteria
4. the genetic code is universal
the genetic code is universal
1. millepedes have two pairs of appendages in each segment of the body
2. prawn has two pairs of antennae
3. animals belonging to phylum-Porifera are exclusively marine
4. nematocysts are characteristic of the phylum - Cnidaria
prawn has two pairs of antennae
1. (base-sugar-phosphate)n
2. base-sugar-OH
3. base-sugar-phosphate
4. sugar-phosphate
base-sugar-phosphate
1. Antarctica
2. Glaciers and Mountains
3. Greenland
4. Polar ice
Polar ice
1. Biomass burning — release of CO2
2. Fossil fuel burning — release of CO2
3. Nuclear power — radioactive wastes
4. Solar energy — green house effect
Solar energy — green house effect
1. Seven cervical verebrae
2. Thecodont dentition
3. Ten pairs of cranial nerves
4. Alveolar lungs
Ten pairs of cranial nerves
1. Tyrosine
2. Asparagine
3. Glycine
4. Alanine
Glycine
1. grow slowly in highly alkaline frozen lakes at high altitudes
2. occur in water containing high concentrations of barium hydroxide
3. grow and multiply in very deep marine sediments
4. readily grown and divides in sea water enriched in any soluble salt of barium
grow and multiply in very deep marine sediments
1. several diatoms and a few cyanobacteria
2. several cyanobacteria and several diatoms
3. some diatoms and several cyanobacteria
4. some cyanobacteria and many diatoms
several diatoms and a few cyanobacteria
1. enhance oxidative metabolism
2. are conjugated proteins
3. are exclusively synthesized in the body of a living organism as at present
4. help in regulating metabolism
help in regulating metabolism