Q: Which structure includes sugar-phosphate "backbones", composed of alternating phosphate groups and deoxyribose sugars, and nitrogenous bases? Choices: - molecule double helix - mulecular triplex - dna triple helix - dna double helix A:
dna double helix

(Question)
Q: Energy constantly changes back and forth between kinetic and what type of energy? Choices: - practical - physical - mechanical - potential A:
(Answer)
potential

Ques: Q: Osseous tissue is the tissue that makes up what? Choices: - muscle - brain - liver - bone A:
Ans: bone

(Q).
Q: What connects the two hemispheres of the brain? Choices: - The brain stem - holy callosum - disruption callosum - corpus callosum A:
(A).
corpus callosum

Ques:Q: What phylum has the highest number of species on earth? Choices: - lophotrochozoa - cephalopods - lichens - arthropods A:

Ans:arthropods

Question: Q: What is made up of a watery substance called cytosol and contains other cell structures such as ribosomes? Choices: - rna - plasma - cytoskeleton - cytoplasm A:
Answer:
cytoplasm