Which of the following distinguishes Giardia from all prokaryotes? Choose 1 Choose 1 (Choice A) A It has cytoplasm. (Choice B) B It has a nucleus. (Choice C) C It can reproduce. (Choice D) D It is single-celled.

Types of scientific inquiry that biologist engage in that cannot be completely controlled

What evidence did mendel find that supported his law of independent assortment? a. some traits are controlled by several different genes. b. a trait can be passed on from a parent to an offspring. c. most traits have a dominant form and a recessive form. d. different traits are passed on independently of each other.

You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple