A nucleotide is a phosphate-sugar-nitrogen base

true or false

Chromosomes form tetras during? a) interphase b) prophase l of meiosis c) anaphase ll of meiosis d) metaphase 1 of meiosis

Describe what each part of the respiratory system does when you take a breath: Pharynx (throat) Trachea (windpipe) Diaphragm Bronchi

How do human beings contribute to the phosphorus and sulfur cycles? A. deforestation B. planting trees and shrubs C. adding chemical fertilizers to the soil D. introducing fish species to ponds and lakes

Which of these drugs contains a chemical called tetrahydrocannabinol, better known as thc?

Which of the following molecules provides the greatest amount of energy per gram of mass when metabolized? A. carbohydrate B. nucleic acid C. protein D. lipid

2. How are mutualism and parasitism different? A. Both organisms benefit in mutualism, while in parasitism only one organism benefits and the other is harmed. B. Both organisms benefit in parasitism, while in mutualism only one organism benefits. C.

Volcanic activity was more frequent in earths past then it is today True or false

Which of the following is NOT positively influenced by physical activity? A. cardiovascular disease B. obesity C. osteoporosis D. allergies

What is it called when snow and ice come crashing down a slope

Give an analogy of active and passive transport