Proteins that speed up reactions are known as
1.salts
2.buffers
3.monomers
4.polymers
5.enzymes
5
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Our species is called Homo sapiens. The first word refers to which taxonomical grouping?
A. Kingdom. B. Phylum. C. Order. D. Genus. E. Species.
The morula can be described as an embryo consisting of a hollow sphere of cells
____________________ Indicate whether the statement is true or false.
Composite transposons are composed of
A) the transposase gene flanked by inverted repeat sequences. B) a mobile gene flanked by inverted repeat sequences. C) the transposase gene only. D) several genes, such as antibiotic resistance genes, flanked by transposase genes. E) several genes, including transposase, flanked by inverted repeat sequences.
With regard to their genomes, what is one major difference between viruses and bacteria?
a. Viral genomes are RNA; bacteria genomes are DNA. b. Viral genomes can be replicated faster than bacterial genomes. c. Viruses cannot replicate their own nucleic acids; bacteria can.