Which gas do plants require for photosynthesis?
a. Oxygen
b. Carbon dioxide
c. Nitrogen
d. Phosphorus
b. Carbon dioxide
Plants require carbon dioxide for photosynthesis, and oxygen is the byproduct.
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Transcription of ribosomal RNA is primarily the function of
A) primase. B) RNA polymerase I. C) RNA polymerase II. D) RNA polymerase III. E) mitochondrial RNA polymerase.
Viral infections are not considered a risk factor for autosomal trisomy because a virus cannot affect human chromosome arrangement
a. True b. False Indicate whether the statement is true or false
Which plant trait is least likely to deter herbivory?
a. Thorns b. Rapid growth cycle c. Tough leaves d. Indigestible material in the bark of the plant e. Toxins in the leaves
Each human kidney is covered by a renal capsule made of _____
Fill in the blank(s) with correct word