Which of the following characteristics evolved independently in mammals and birds?
A) amniotic eggs
B) jaws
C) bone
D) endothermy
D
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Following DNA replication, the attached copies of each chromosome are called ________
Fill in the blank with correct word.
Which of the following is a polymer?
A. testosterone, a steroid hormone B. cellulose, a plant cell wall component C. glucose, an energy-rich molecule D. triacylglycerol, or fat E. fructose, a component of sucrose
A traditional technique used to quantify specific types of microbes in natural samples, enrichment cultures, and food or water samples is known as the ________ ________ ________ technique.
Fill in the blank(s) with the appropriate word(s).
In her biology class, Natasha has been asked to complete a strand of DNA with the appropriate nucleotides. If half of the strand is A-T-C-C-G-A-T-C, what would she write for the other half?
A) T-A-G-C-C-T-A-C B) T-U-G-G-C-T-U-G C) T-U-G-C-G-U-A-G D) T-A-G-G-C-T-A-G