If a plant is bending towards the light, one would expect which enzymes to have increased in activity?
A. auxins
B. gibberellins
C. wall-loosening enzymes
D. ethylene
E. None of these is correct
C. wall-loosening enzymes
You might also like to view...
Catalase
(a) is an enzyme found in most cells, including liver. (b) catalyzes the production of hydrogen peroxide. (c) has as its substrate water and oxygen gas. (d) is a substance that encourages the growth of microorganisms.
The abundant remains of ammonites in Oklahoma indicate that Oklahoma was
A. always a semi-arid grassland. B. once a vast desert with almost no rainfall. C. once a part of a mountain range that has now eroded. D. once covered by a shallow ocean. E. part of a vast tropical forest.
Which of the following lists steps of mRNA production in eukaryotes in the correct order?
A) 5' cap addition, addition of poly-A tail, exon splicing, passage through nuclear membrane, transcription B) Transcription, 5' cap addition, addition of poly-A tail, exon splicing, passage through nuclear membrane C) Transcription, 5' cap addition, addition of poly-A tail, passage through nuclear membrane, exon splicing D) Transcription, addition of poly-A tail, 5' cap addition, exon splicing, passage through nuclear membrane
Which substance is a fossil fuel?
A) vegetable oil B) coal C) hydrogen gas D) wood