Human Reproduction Question 188
Question: Which of the following substances can pass through the placenta from the mother into foetus
Options:
A) Proteins are large organic molecules composed of one or more chains of amino acids linked by peptide bonds. They play essential roles in biological processes, including catalyzing metabolic reactions, DNA replication, responding to stimuli, and providing structural support.
B) Smallpox virus
C) White Blood Cells
D) Red Blood Cells
Show Answer
Answer:
Correct Answer: B
Solution:
Viruses have lower molecular weight than plasma proteins but not necessarily than blood cells.