Questions from Conceptual Biology

Q: A set of cells that host various DNA fragments collectively representing an

A set of cells that host various DNA fragments collectively representing an organism’s entire set of genetic information is a _________. a. genome b. clone c. genomic library d. GMO

Q: _____ is the technique of determining the order of nucleotide bases in

_____ is the technique of determining the order of nucleotide bases in a sample of DNA. a. PCR b. Sequencing c. Electrophoresis d. Nucleic acid hybridization

Q: Which groups of protists would you be most likely to find as

Which groups of protists would you be most likely to find as fossils? Why?

Q: Closed stomata ______. a. limit gas exchange b.

Closed stomata ______. a. limit gas exchange b. permit water loss c. prevent photosynthesis d. absorb light

Q: Radiolarians and diatoms have a shell of ___________. a. cellulose

Radiolarians and diatoms have a shell of ___________. a. cellulose b. silica c. calcium carbonate d. chitin

Q: Each position of a codon can be occupied by one of four

Each position of a codon can be occupied by one of four nucleotides. What is the minimum number of nucleotides per codon necessary to specify all 20 of the amino acids that are typical of eukaryotic p...

Q: The choanoflagellates are considered the sister group to, or closest living

The choanoflagellates are considered the sister group to, or closest living relatives of, ___________. a. plants b. fungi c. animals d. dinoflagellates

Q: Bioluminescent dinoflagellates ______. a. have a clear silica shell

Bioluminescent dinoflagellates ______. a. have a clear silica shell b. emit light when disturbed c. live inside most corals d. are multicelled heterotrophs

Q: Early botanists admired ferns but found their life cycle perplexing. In

Early botanists admired ferns but found their life cycle perplexing. In the 1700s, they learned to propagate ferns by sowing what appeared to be tiny dustlike “seeds” from the undersides of fronds. De...

Q: Insect-Assisted Fertilization in Moss Moss sperm can swim, but

Insect-Assisted Fertilization in Moss Moss sperm can swim, but plant ecologist Nils Cronberg suspected that they sometimes hitch a ride on crawling insects or mites (tiny animals related t...