The difference between a drupe and a berry is that a drupe:a
is an accessory fruit, while a berry is a multiple fruit.
b. is formed from a single carpel, while a berry is formed from many carpels.
c. has a stony pit around a single seed, while a berry is fleshy throughout with many seeds.
d. is a dry fruit, while a berry is a fleshy one.
e. splits open along two sutures, while a berry splits open along one suture.
c
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The protists are a diverse group of organisms that have traditionally been grouped together because
they all
a. have the same type of nutrition. b. live in the same environments. c. have very similar DNA sequences. d. have very similar shapes. e. are not prokaryotes, fungi, plants, or animals.
In a eukaryote, what is the best way to compare the number of genes in a genome to the number of proteins that the genome can produce and why?
A) The number of proteins is usually fewer than the number of genes due to alternate splicing. B) The number of proteins is usually greater than the number of genes due to alternate splicing. C) The number of proteins is equivalent to the number of genes due to alternative splicing. D) The number of proteins is usually greater than the number of genes due to histone modification. E) The number of proteins is usually fewer than the number of genes due to histone modification.
Typical eukaryotic genomes are composed of ________ chromosomes.
A. multiple linear B. multiple circular C. a single circular D. a single linear E. both linear and circular
In which period of evolution, in the Cenozoic era, would you find Homo sapiens?
A. Cretaceous B. Neoprene C. Jurassic D. Quarternary E. Paleogene