Answer the following statements true (T) or false (F)

1. All tissues are composed of cells.
2. The capacity to maintain a fairly constant body temperature is a homeostatic process.
3. A community is composed of different populations of animals and plants.
4. A defining characteristic that distinguishes prokaryotic and eukaryotic organisms is the lack of cell
structure in one versus the other.


1. TRUE
2. TRUE
3. TRUE
4. FALSE

Biology & Microbiology

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The energy made available during cell respiration and fermentation is used to make ________, which is then available to provide energy for cellular work.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

What is the oxidized form of the most common electron carrier that is needed for both glycolysis and the Krebs cycle?  

A.  ATP B.  FAD C.  pyruvate D.  NAD+ E.  acetyl-CoA

Biology & Microbiology

Sometimes plants produce embryos in seeds without meiosis and fusion of gametes. This process is

known as: a. coevolution. b. apomixis. c. self-pollination. d. mitosis. e. suckering

Biology & Microbiology

Although bacteria lack membrane-bound organelles, such as chloroplasts and mitochondria, they can still perform the

functions of these organelles by localizing certain metabolic enzymes on: a. ribosomes. b. the cell wall. c. the plasma membrane. d. the nuclear membranes. e. the endoplasmic reticulum.

Biology & Microbiology