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Questions in biology

[Answered] When Mendel crossed two hybrid plants for stem height (Tt), what results did he always get?

[Answered] Sugar that occurs in DNA but not in RNA: A. Deoxyribose B. Ribose C. Uracil D. Cytosine E. Thymine

[Answered] Asexual reproduction is not as widespread in animals as it is in plants.

[Answered] During digestion, why is it necessary to break up fat into tiny droplets?

[Answered] All of the following are population characteristics EXCEPT: A. number of individuals B. phenotype C. sex ratio D. age distribution E. death rate

[Answered] As rain mixes with chemicals such as sulfur dioxide in the air, acid rain is produced. This may result in: (A) lowering the pH in ponds, thus limiting the survival of many organisms (B) lowering the pH in ponds, thus affecting water temperature (C) raising the pH in ponds, thus encouraging the growth of organisms (D) raising the pH in ponds, thus limiting animal development (E) depleting atmospheric carbon dioxide available for photosynthesis

[Answered] Which organic molecule is responsible for the insulation of internal organs against shock?

[Answered] The pH of human blood is slightly basic. Which of the following is most likely to be the pH of human blood? A. 10.6 B. 7.4 C. 7.0 D. 6.4 E. 4.6

[Answered] Oxygen is released as a waste product by plants during the process of photosynthesis. Animals take in this oxygen and release it as carbon dioxide during the process of respiration.

[Answered] What are the three different levels of diversity, primarily within the animal area?