Identify the species that is NOT classified as a pteridophyte.
A. Marchantia
B. Psilotum
C. Equisetum
D. Hart's tongue
Answer: A
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A medical researcher is trying to develop a diagnostic technique for a disease which is characterized by replication of a particular chromosomal region. What would be the most appropriate technique?
A. FISH B. Gene chip C. Genome sequencing D. White blood cell count Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about FISH and gene chip diagnostics? 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?
In a species of desert lizard, only females are known to exist. When two females court prior to reproduction, it is necessary for one lizard to assume the posture of a male to stimulate the other female to ovulate. This is a case of
A. bisexuality. B. hermaphroditism. C. angiogenesis. D. parthenogenesis.
The perforin-granzyme pathway involves
A) the production of fever, which kills the pathogen. B) the production of antibodies toward the invading pathogen. C) the production of special cell-killing proteins that act on infected or abnormal cells. D) presenting the foreign antigen to B cells. E) binding CD95L to infected cells, which eventually leads to cell apoptosis.
Which organelle harvests energy from food molecules to make ATP?