Which of the following cannot be photoautrophs?
A. Algae
B. Fungi
C. Plants
D. Bacteria
E. All of the above can be photoautrophs.
Answer: B
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Evolutionary biologists believe that females prefer attractive mates mainly because ____
a. attractive mates confer status in hierarchical societies b. attractiveness is a predictor of good performance and survivorship c. ornaments such as bright plumage stimulate her visual system d. superior ornaments deter rival males e. a sense of aesthetics is shared by both higher animals and humans
Answer the following statements true (T) or false (F)
1. In cellular respiration, the energy found in the covalent bonds in glucose is used to form ATP. 2. Consider when an African rock python eats a Thomson's gazelle and begins breaking the gazelle down into component molecules with digestive acids. The digestion described is an example of cellular respiration. 3. People beginning cardiopulmonary resuscitation (CPR) training are often surprised that they can breathe enough oxygen into a victim with the air from their lungs. The fact that you still have sufficient oxygen to benefit another person in emergencies indicates that our bodies do not use all of the oxygen molecules we breathe in. 4. Cellular aerobic respiration includes glycolysis, the Krebs cycle, and electron transport. 5. Proteins in your diet can be used as a reactant in cellular respiration pathways.
The phenotype of vestigial (short) wings (vg) in Drosophila melanogaster is caused by a recessive mutant gene that independently assorts with a recessive gene for hairy (h) body
Assume that a cross is made between a fly with normal wings and a hairy body and a fly with vestigial wings and normal body hair. The wild-type F1 flies were crossed among each other to produce 1024 offspring. Which phenotypes would you expect among the 1024 offspring, and how many of each phenotype would you expect?
Which of the following would be least likely to diffuse through a phospholipid bilayer?
A) carbon dioxide B) oxygen C) sodium ions D) water E) the small, nonpolar molecule of butane