Tag: nutrition and diet

Questions Related to nutrition and diet

Multiple choice evs nutritious food minerals and vitamins nutrition and diet role of various nutrients

Cataloguing and analysing every protein in the human body

  1. Biochip

  2. Proteomics

  3. Both

  4. None

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Proteomics is the cataloging and analyzing every protein in the human body most proteins differ in their folding manner, which is governed by genes. Biotechnology helps us in discovering protein structure.

Multiple choice evs nutritious food minerals and vitamins nutrition and diet role of various nutrients

Which of the following protein plays an important role in ageing 

  1. Elastin

  2. Collagen

  3. Actin

  4. Myosin

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Collagen is the most abundant extracellular protein which with ageing becomes less permeable, less flexible and insoluble. These changes interfere the normal functioning of the cells (decreased inflow of nutritive substances and oxygen into cells and also decreased loss of nitrogenous waste and $CO _{2}$ from the body cells) and induce ageing.

Multiple choice evs nutritious food minerals and vitamins nutrition and diet role of various nutrients

Rennin acts on milk protein and changes

  1. Caesinogen into casein

  2. Caesin into paracaesin

  3. Caesinogen into paracaesin

  4. Paracaesin into caesinogen

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Rennin is an enzyme secreted in the stomach that acts on the milk protein caseinogen and converts it into insoluble paracasein, which is subsequently precipitated by calcium ions to form curd. This is a key step in infant milk digestion.

Multiple choice evs nutritious food minerals and vitamins nutrition and diet role of various nutrients

In the complete absence of which the duodenal digestion of chime proteins not possible 

  1. Enterokinase

  2. Dil HCl

  3. Gastrin

  4. All the above

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Enterokinase is the enzyme that activates trypsinogen into trypsin. Without trypsin, other pancreatic proteases cannot be activated, making protein digestion in the duodenum impossible.