How do heat shock proteins protect plants from high temperatures?
A. Heat shock proteins prevent the double helix of DNA molecules from unwinding at higher temperatures.
B. Heat shock proteins stabilize other proteins so that they don't denature at higher temperatures.
C. Heat shock proteins prevent carbohydrates from being hydrolized at higher temperatures.
D. Heat shock proteins prevent lipids from dissolving at higher temperatures.
Answer: B
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Homologous chromosomes have the same arrangement of genes along their length
A. true B. false
Pigs have feet with toes that do not touch the ground. These toes are examples of ____
a. vestigial structures b. evolving structures c. homologous traits d. deleterious mutations e. biological gradualism
Membrane proteins may function in
A) receiving extracellular signals. B) amphipathic modification. C) temperature control. D) protein manufacture. E) information storage.
Muscles are in antagonistic sets because
A. muscles cannot lengthen by themselves. B. muscles push but cannot pull. C. they do not like one another. D. there is an increase in metabolic efficiency if they are present in antagonistic sets.