In a DNA molecule adenine always forms a linkage with______________?
Correct answer: C. Thymine
- A. Guanine
- B. Cytosine
- C. Thymine
- D. Uracil
Explanation
In DNA, adenine pairs specifically with thymine through two hydrogen bonds, while guanine pairs with cytosine. Uracil is used in RNA in place of thymine.
Last updated
Practise Cell and General Physiology
31 free Cell and General Physiology MCQs from Physiology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Physiology questions like this
Physiology is on 3 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
The first physiological response to high environmental temperature is_______________?
In nerve , the magnitude of the action potential overshoot is normally a function of the______________?
Body temperature is maintained by ______________?
The cell junctions allowing exchange of cytoplasmic molecules between two cells are called________________?
Intracellular and interstitial body fluids have similar______________?