1. plasma membrane
2. cytoskeleton
3. mitochondria
4. plastids
plastids
1. DDT is a non-biodegradable pollutant
2. Excess fluoride in drinking water causes osteoporosis
3. Excess cadmium in drinking water causes black foot disease
4. Methylmercury in water may cause "Itai Itai" disease
DDT is a non-biodegradable pollutant
1. Escherichia coli
2. Bacillus thuringiensis
3. Staphylococcus aureus
4. Agrobacterium tumefaciens
Agrobacterium tumefaciens
1. rate of cell division
2. production of hydrolyzing enzymes
3. synthesis of abscisic acid
4. absorption of water through hard seed coat
production of hydrolyzing enzymes
1. Release of egg — 5th day
2. Endometrium regenerates — 5-10 days
3. Endometrium secretes nutrients for implantation — 11-18 days
4. Rise in progesterone level — 1-15 days
Endometrium regenerates — 5-10 days
1. Vallisneria and pond
2. Desert locust (Scistocerca) and desert
3. Plant lice (aphids) and leaf
4. Vultures and dense forest
Plant lice (aphids) and leaf
1. molar teeth and eye lens
2. scapula and canines
3. ligaments and ribs
4. tendons and premolars
tendons and premolars
1. Three pairs of legs and segmented body
2. Chitinous cuticle and two pairs of antennae
3. Jointed appendages and chitinous exoskeleton
4. Cephalothorax and tracheae
Jointed appendages and chitinous exoskeleton
1. restriction enzymes
2. reverse transcriptase
3. DNA polymerase
4. adenosine deaminase
reverse transcriptase
1. deletion
2. duplication
3. inversion
4. translocation
deletion