Which of the following is NOT true of viruses? A. They usually infect specific types of cells. B. They're nonliving particles. C. They reproduce on their own without hosts. D. They're able to crystallize.

Fungi are not classified with the plants because they are heterotrophic. they have a cell wall. they lack tissues. a and c

During meiosis i, homologous chromosome pairs are separated when the centromeres split apart.

What is the difference in the cell cycle between healthy cells and cancerous cells?

What is the best description of the salinity of ocean water? A: Number of grams of salt in one kilogram of water? B: Number of grams of dissolved chlorine in one kilogram of water?

The all-or-nothing principle means that a. All the nerve impulses go to the brain b. An entire neuron depolarizes to its maximum strength c. All the potassium ions on one side of the cell membrane move to the other side of the cell membrane d.

Do plant cells have mitochondria? yes or no

Antarctica is covered in ice. which of the following would you expect to be true of Antarctica? A. The ice is immune to insolation B. The ice has no heat capacity C. The ice has a high albedo D. The ice reflects no radiation

Mateo eats his breakfast and his gi tract will now begin the process of digesting and absorbing the nutrients from this meal. what is the order in which each of the organs of the gi tract will work to achieve this process?

Diffusion is the spontaneous movement of a substance from an area of what

Which type of mutation always creates a stop codon?