A researcher in a lab finds a microscopic organism that has no nucleus, but has distinctive structural
molecules and mechanisms of photosynthesis. The organisms are abundant in virtually every habitat
on Earth. The researcher has identified an organism belonging to the domain ____.
a. Bacteria
b. “Protist”
c. Eukarya
d. Animalia
e. Amoeba
A
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Which hormones encourage the maintenance of the uterine lining?
a. HCG, estrogen, progesterone b. Estrogen, progesterone, testosterone c. HCG, testosterone, estrogen d. Progesterone, LH, estrogen e. Estrogen, FSH, progesterone
All of the following would help to reduce the amount of greenhouse gases in the atmosphere EXCEPT
a. planting trees. b. reducing emissions from factories. c. reducing water usage. d. using solar heat in homes. e. walking to work.
TRAIT SPECIESABCDE111011211010311100410000511100611011The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, while "1" indicates the derived condition. Based on this data, which species would be considered the outgroup?
A. 1 B. 2 C. 3 D. 4 E. 5
A transfer RNA (tRNA) carries
a. the mRNA transcript to the ribosome b. the proper amino acid to the ribosome c. the stop codon to the ribosome d. RNA polymerase to the ribosome