Green algae are believed to be the ancestors of the bryophytes. Cite four distinct lines of evidence to support this belief.
What will be an ideal response?
Answers can include: They have the same photosynthetic pigments, same stoage carbohydrate (starch), they both require water for fertilization, and their flagella have similar structural features.
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A protein containing a signal located at its amino terminal end could be sorted to:
A. the cytosol. B. the nucleus. C. a mitochondrion or the rough endoplasmic reticulum.
A primary reason that the kidneys have one of the highest metabolic rates of all body organs is that _____
A) they have membranes of varying permeability to water B) they operate an extensive set of active-transport ion pumps C) they are the body's only means of shedding excess nutrients D) they have an abundance of myogenic smooth muscle
What are the three common epidemiological measurements used in this exercise and by the CDC?
A) Morbidity, Mortality, and Incidence B) Mortality, Incidence and Prevalence C) Incidence, Prevalence, and Morbidity
At the end of binary fission, how many cells have been created?
a. 1 b. 2 c. 3 d. 4