Biology - Study Mode

[#621] Biological membranes are composed of
Correct Answer

(D) All of the above
(H) 60% proteins and 40% lipids

Explanation

Solution: Biological membranes are composed of Phospholipids,
proteins and carbohydrate groups.

[#622] They are double membrane structures that are commonly oval or disc shaped.
Correct Answer

(A) Ribosomes

Explanation

Solution: Ribosomes are double membrane structures that are commonly oval or disc shaped.

[#623] The cell wall of plants is generally made up of cellulose and is differently structured than that of a
Correct Answer

(B) Bacterium

Explanation

Solution: The cell wall of plants is generally made up of cellulose and is differently structured than that of a bacterium.

[#624] Which cell feature is responsible for making proteins?
Correct Answer

(C) Ribosomes

Explanation

Solution: Ribosomes is responsible for making proteins.

[#625] In 1610, who made microscope and used it to observe very small animals?
Correct Answer

(B) Galileo

Explanation

Solution: Galileo made microscope and used it to observe very small animals.