Why do polar bears have a thick layer of fat?

Why does it take more mutations in the genes for large animals like elephants to get cancer, than it does for small animals?

When does meiosis occur?

2. Suppose that you and 19 of your classmates (giving a final population of 10 males and 10 females) are on a cruise, and your ship sinks near a deserted island.

Nucleotides select one: a. contain sulfur. b. are the monomers of dna and rna. c. do not contain a sugar. d. consist of one pyrimidine and one purine. e. are normally present in polysaccharides.

The only accessory reproductive gland in canines is/are the A. bulbourethral glands. B. seminal vesicles. C. vesicular gland. D. prostate gland.

Classify the mutations as somatic or inherited A. Mutations in the KRAS gene in lung cells promote continuous cell growth B. Mutations of the BRAC1 gene in egg cells lead to breast cancer C.

The female determines the sex of mammals. True False

The definition of a hero is a. universally understood. b. determined by personal and cultural factors. c. clearly defined by a set of established traits. d. static and impartial.

Hydrogen ion concentration in vinegar

Why does it matter from which organ or tissue type the cancer developed