The hyperthermophilic members of the Crenarchaeota branch very close to the root of the universal tree

Indicate whether the statement is true or false.


Answer: TRUE

Biology & Microbiology

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A geneticist examines a somatic cell from a fly during metaphase of mitosis and determines that 16 chromatids are present.  If a germ-line cell from this species divides by meiosis, then at the end of meiosis I (including the first cytokinesis) each cell will contain  

A.  8 chromosomes with 8 DNA molecules. B.  8 chromosomes with 16 DNA molecules. C.  4 chromosomes with 4 DNA molecules. D.  4 chromosomes with 8 DNA molecules. Clarify Question  · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean?   Gather Content   · What do you know about meiosis? How does it relate to the question? Consider Possibilities   · What other information is related to the question? Which information is most useful?   Choose Answer   · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?     Reflect on Process   · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

What continent was the starting point for the origination of humans?

A. Africa B. Asia C. Europe D. Australia E. North America

Biology & Microbiology

What process is shown in this diagram?



a. oxidation
b. reduction
c. phosphorylation
d. dephosphorylation

Biology & Microbiology

The organ of Corti is in the ________

A) outer ear B) inner ear C) middle ear D) eardrum

Biology & Microbiology