Coral bleaching where the photosynthetic endosymbiont is lost or becomes nonfunctional can be caused by temperature increases as small as 2oC.
Answer the following statement true (T) or false (F)
True
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The bubbles in beer are ____
a. carbon dioxide b. oxygen c. ethanol d. pyruvate e. nitrous oxide
Which of the following traits is not consistent with autosomal recessive inheritance?
1.Rare autosomal recessive traits are more often seen in children of consanguineous matings. 2.Most affected individuals have unaffected parents. 3.The trait affects males more often than females. 4.Couples where both parents are heterozygotes are expected to produce an affected child about 25% of the time. 5.Both the male and female parent will transmit the trait.
Breathing rates are automatically increased
when ___ levels are ___.
a. oxygen...high b. carbon dioxide...high c. oxygen...low d. carbon dioxide...low e. ATP...low
In Engelmann's classic experiment, why were the oxygen-requiring bacteria clustered around the regions of Spirogyra algae that were bathed in red, blue, and violet light?
a. Chlorophyll is green and thus reflects green light. b. The bacteria were immobile and that is where Engelmann happened to place them. c. Photosynthesis is most active in those wavelengths of light and thus more oxygen is consumed by the algae in those regions. d. Photosynthesis is most active in those wavelengths of light and thus more oxygen is produced by the algae in those regions. e. The most energy-rich wavelengths of light are found at the edges of visible and nonvisible light (ultra violet and infrared).