B is the answer for your question
Answer:
Rosalind's x-ray showed that the ladders of nucleotides were inside a double helix.
Watson and Crick built models with the ladders on the outside.
Answer:
c. Leukocytes (white blood cells)
Explanation:
When they do, so-called daughter cells are generated that have receptors identical to those found on the original lymphocytes. The result is a family of lymphocytes, called a lymphocyte clone.
Answer: A urban heat island is an urban area or metropolitan area that is significantly warmer that it's surroundings rural areas due to human activities.
Explanation:
