Answer the following statements true (T) or false (F)
1. A plant that is dioecious could also have perfect flowers.
2. A bilaterally symmetrical flower has only two equal parts.
3. Plants that are pollinated by insects probably do NOT produce allergy reaction in humans.
4. A dog that is conditioned to salivate in response to a stimulus associated with food will salivate in response to that stimulus even after the food is removed.
5. When body temperature drops below normal, a person starts shivering uncontrollably. This is an example of negative feedback.
1. FALSE
2. TRUE
3. TRUE
4. FALSE
5. TRUE
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Although lifestyle choices can't, in general, change our genomes, they can: (Select all correct choices)
A. change the physiological states of our cells, which in turn affects post-translational gene regulation. B. increase the rate at which some genes are transcribed. C. decrease the rate at which some genes are transcribed.
Neuroglia cells that have lipid-rich cell membranes and form insulating sheaths of myelin are called
A. adipocytes. B. erythrocytes. C. islets of Langerhans. D. Schwann cells. E. mucus cells.
What types of organisms capture solar energy and use photosynthesis to produce sugars?
When would a microbiologist use thioglycolate?
A) when making complex media B) when storing differential plates C) when making defined media D) when storing selective plates E) when storing plates anaerobically