Human eggs and sperm each contain 23 chromosomes. Explain the significance of this during fertilisation in terms of chromosome numbers.

What is the primary source of the electrons used in the mitochondria? A. Water B. Glucose C. ATP D. Cellulose E. Oxygen

Which of the following is not a good polling technique? A. asking clear questions B. using a push poll C. using a large sample D. using a random sample

At the end of meiosis 2 how many cells are there

How does matter move from a plant to a animal

The presence of cholesterol in the plasma membranes of some animals (A) enables the membrane to stay fluid more easily when cell temperature drops. (B) enables the animal to add hydrogen atoms to unsaturated phospholipids.

What tool is used to measure the movements of paramecium

How are earthquakes and volcanoes related

How does the color of light affect the rate of photosynthesis

What does the term "unzipping" refer to in dna replication? a. polymerization b. breaking hydrogen bonds c. the movement of dna polymerase d. matching complementary nucleotides user: dna replication occurs a. so that a cell can grow. b.

To whom does the Fed lend money? A. Corporations B. Individual citizens C. Other banks D. Small businesses