A) sperm are to pollen.
B) sperm are to anthers.
C) pollen is to carpels.
D) pollen is to sepals.
B) sperm are to anthers.
C) pollen is to carpels.
D) pollen is to sepals.
In animals that have open circulatory systems, the interstitial fluid that functions as blood is called
A) lymph. B) plasma. C) hemolymph. D) hemocoel. E) leukocyte.
C
Biology & Microbiology
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In flowering plants, eggs are to ovules as
Biology & Microbiology
Genomic studies of bacteria reveal that _____
A) only a few bacterial species have plasmids B) there are usually three copies of each gene present within a bacterial genome C) there are many genes of unknown function D) there is almost no difference between the genomes of diverse bacteria
Biology & Microbiology
Describe a benefit of cloning plants and animals
What will be an ideal response?
Biology & Microbiology
Otto Loewi demonstrated that neurons transmit signals across synapses
a. by electrical signals. b. by Vagusstoff. c. by acetylcholine. d. by chemical signals. e. by proteins
Biology & Microbiology