Levels of biological organisations explained in details

Duplication of chromosomes occurs during S phase of the cell cycle. Duplication requires the separation of complementary DNA strands to allow for DNA replication.

Which of the following consists of an amino group, a carboxyl group, and a side chain? O A. A carbohydrate O B. A nucleotide O C. DNA O D. An amino acid

What are the specialised features of a salivary gland cell?

Compared to a featureless Earth, how would you expect the Mariana Trench, the deepest trench in the ocean, to affect the gravitational force in that location? A. The gravitational force would be about the same. B.

Which of the following north east colonies became a state first? A. Connecticut B. Massachusetts C. New Jersey D. Rhode Island

Surface currents are a result of all of the following except the moon's gravitational pull shape of the ocean basins global wind patterns Earth's rotation

Which does the work of the immune system? A. Enzymes B. Hormones C. Lymphocytes D. Neurons

How are soil conservation efforts related to water quality?

During a microsleep, you are likely to:

How does crystal violet enhance the visualization of bacterial structure (s) ?