The dyactin complex acts only on actin filaments
a. true
b. false
Answer: b. false
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Neurons that carry messages from sensory receptors to the CNS are
(a) sensory. (b) motor. (c) interneurons. (d) both a and b.
Answer the following statements true (T) or false (F)
1. The processes of transcription and translation occur almost simultaneously in prokaryotic organisms. 2. Gel electrophoresis allows biologists to study the exact base pair sequence of a genetic fragment. 3. Gene therapy in humans is a common procedure to treat and prevent genetic diseases. 4. Animals such as mice and fruit flies have enough similarities to humans to be used as model organisms, leading to key life-saving medical discoveries. 5. Darwin’s theory of evolution was heavily influenced by the genetic studies by Mendel, which had been published right before Darwin set sail for the Galapagos on the HMS Beagle.
Which of the following is not found in a eukaryotic promoter?
A) -10 box B) TATA box C) GC box D) CAAT box E) None of these
A decrease in blood glucose from skipping a meal will cause the ____ to secrete glucagon, which will cause the ____ to break down glycogen into glucose.
A. liver; pancreas B. pancreas; gall bladder C. spleen; pancreas D. pancreas; spleen E. pancreas; liver