In the domain Eukarya, which physical trait is used to classify organisms?

A) possession of a cell wall

B) cells that do not contain a nucleus

C) cells that contain a nucleus

D) lack of a cell wall

What characteristics does soil have that drains quickly? a. low porosity and low permeability b. low porosity but high permeability c. high porosity and high permeability d. high porosity but low permeability

What do aerobic respiration and anaerobic respiration have in common? 1) Both begin with glycolysis. 2) Both occur in mitochondria. 3) Both require oxygen to proceed. 4) Both end with the electron transport chain.

Name three countries, from the north-east north-west and southern hemisphere, for the tundra biome

While you are sleeping, approximately how much of the energy your cells use is derived from fats?

What is the most common electron acceptor in the kreb cycle? a) nad+ b) fadh2 c) fad d) citrate e) nadh

1. Some worms eat at night (meaning they are nocturnal) and some worms eat during the day (meaning they are diurnal).

This soil is made up equal parts of clay, sand, and silt. It is called

Which characteristics of capillaries cause restriction of blood flow

One cell has two copies of chromosomes while the other has none. What could have caused this

Suppose you want to set up an experiment to test the hypothesis that electromagnetic fields cause CCD, and you have 6 hives to work with. Which of these is the best experimental setup? A. 6 hives exposed to high levels of EMF B.