Prokaryotes are different from all other organisms in that their cells

a. lack nuclei.

b. have organelles.

c. have cell walls.

d. lack DNA.

On the surface cost-benefit analysis seems straightforward what can make this decision making method both complicated and controversial

How often should a patient be checked while taking antiarrhythmic medications?

Most absorption of nutrients occurs in the

Which of the following best describes a gene? A) A length of DNA which codes for a particular protein. B) A length of protein which codes for DNA C) All your traits D) A carbohydrates which codes for different traits in an organism

The formation of a new species can result from

What kind of tissue transmits signal across a synapse? epithelial, muscular, nervous or connetive?

What organelle packages materials that will be shipped out of the cell?

Why do complementary nucleotides across the double-stranded dna bond together using hydrogen bonds rather than covalent bonds?

How are dichotomous keys used?

Which two statements about composite materials are true? -They're made up of more than one substance. -They have the same or similar properties as the materials used to make them. -They're always made of metal. -They're readily available in nature.