Ignoring all other factors, what kind of day would result in the fastest delivery of water and minerals to the leaves of an oak tree?
A) cool, dry day
B) very hot, dry, windy day
C) warm, humid day
D) cool, humid day
B
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David has a lab assignment where he must cut out shapes of chromosomes and place two chromosomes of the same shape and size together. Two chromosomes of the same size and shape are termed a ____ pair
Fill in the blank with the appropriate word.
Which choice is the correct sequence from smallest to largest?
A) Amino acid, peptide, polypeptide, protein B) Protein, polypeptide, peptide, amino acid C) Amino acid, DNA, peptide, gene D) Peptide, polypeptide, amino acid, protein
Ultraviolet light damages DNA by causing
A) purine rings. B) strand breaks. C) thymine dimers. D) radioactivity.
Given that the atmospheric concentration of CO2 is approximately 300 ppm, is photosynthesis in the field limited by the concentration of CO2?
a. No. b. Yes