Which of the following pigments is associated with the germination of seeds?
Phytochrome
Plastocyanin
Chlorophyll
Xanthophyll
The tissue that connects one bone with the other is called
adipose tissue
cartilage
epithelium
ligament
The source of oxygen liberated as a byproduct during photosynthesis is
carbon dioxide
water
glucose
chlorophyll
The component of blood that prevents its clotting in intact blood vessels is
antibody
heparin
thrombin
haemoglobin
Enzymes are chemically
lipid
acid
carbohydrate
protein
D.
protein
All enzymes are chemically proteinaceous in nature. These are biological catalysts and every biological reactions are catalysed by them.
Which of the following acids is also a vitamin?
Formic acid
Ascorbic acid
Maleic acid
Palmitic acid