Plant cell walls grow faster in a neutral environment - that is, when the pH is close to 7
Indicate whether the statement is true or false.
ANS: F, an acidic; less than 7
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Organisms that live in and around hydrothermal vents at the bottom of the ocean are:
A) acidophilic, psychrophilic, and halophilic. B) halophilic, alkaliphilic, and psychrophilic. C) halophilic, psychrophilic, and barophilic. D) halophilic, thermophilic, and barophilic.
Polyploid plants are often unhealthy as compared to other plants
Indicate whether the statement is true or false.
The central nervous system of vertebrate animals consists of
A. all nerves in the body. B. the spinal cord. C. the brain. D. the brain and spinal cord. E. nerves originating at sensory receptors.
The p300/CBP (CREB-binding protein) proteins are histone acetyltransferases that help regulate the transcription of many genes. Based on this information you can conclude that these proteins
A. recruit helicases. B. physically connect activator proteins. C. remodel chromatin. D. acetylate purines.