Answer:
The correct answer option is C. They are target specific.
Explanation:
We are to determine whether which of the given statements is true about antibody.
Antibodies are a type of proteins which are present in the body to defend the foreign attacks that are in the form of antigens.
These proteins have a basic structure which consists of two pairs of polypeptide chains that are linked covalently via disulfide bonds.
Each antibody recognises one specific antigen and this feature is called as antibody specificity.
Answer:
I believe that the answer is D.
Explanation:
A) is wrong
B) is carbohydrates
C) is lipids
D) is nucleic acids and the monomer of nucleic acids are nucleotides.
Answer:
c
Explanation:
due to low light illumination there would very low level of oxygen at the bottom of the sea therefore hindering the survival of these organisms