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Questions in biology

[Free] Which of these is an example of a haploid cell? A. Neuron B. Sperm C. Red blood cell

[Free] Sometimes random mistakes occur in a DNA sequence. These mistakes are referred to as __________.

[Free] Why is maintaining homeostasis particularly important to single-celled organisms?

[Free] What is one function of the smooth endoplasmic reticulum?

[Free] What are stimuli that living things sense in order to respond?

[Free] Fill in the blank: _______ are organic compounds that are a key source of energy.

[Free] A more ______ design can reduce earthquake damage to buildings.

[Free] Describe the similarity in the ways tree roots and ice mechanically weather rock.

[Free] Can you describe the structures of proteins and nucleic acids, and then explain the relationship between these two molecules within a cell?

[Free] Is CH4 organic or inorganic?