Which of the following alga shows heterotrichous habit
The 13–celled male gametophyte of Selaginella shows
The hepatic portal vein drains blood to liver from
Which of the following statement is correct?
Ammonia – a toxic byproduct of protein
One of the byproducts of protein metabolism is ammonia. In high levels, ammonia is extremely dangerous to the body and so is converted into urea. This water-soluble chemical is collected by the kidneys and eliminated from the body in o...
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Sources of protein-lean meat, poultry and fish -eggs -dairy products like milk, yoghurt and cheese -seeds and nuts -beans and legumes (such as lentils and chickpeas) -soy products like tofu -some grain and cereal-based products are also sources of protein, but are generally not a...
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In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen?