A sporophyte is a __________ plant body that grows
by __________ from a __________.
a. haploid; mitosis; spore
b. diploid; mitosis; spore
c. diploid; mitosis; fertilized egg
d. diploid; meiosis; fertilized egg
e. haploid; mitosis; fertilized egg
Answer: c
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If the DG of a reaction was -31.45 kJoules, you would know that:
A. the products have more free energy than the reactants. B. the reaction requires an energy input of 31.45 kJoules to proceed. C. the reaction most likely leads to development of a more ordered system. D. the reaction is spontaneous. 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 evolution? What other information is related to the question? Choose Answer Do you have all necessary information to break down the biochemical pathway? 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?
Which level of organization reflects an individual composed of multiple organ systems?
Which level of organization reflects an individual composed of multiple organ systems?
How are processed mRNAs exported from the nucleus to the cytoplasm?
a. Eukaryotic transcription mechanically ejects mRNA from the nucleus. b. After the 5’ cap is added, it migrates to the cytoplasm by diffusion. c. After the poly-A tail is added, it binds to a protein for transport. d. mRNA is released into the cytoplasm when the nuclear envelope dissolves.
Answer the following questions true (T) or false (F)
1. A microbe is either pathogenic or it is not. A microbe is either virulent or it is not. Both pathogenicity and virulence are all-or-nothing terms. 2. A microbe with a low ID50 does not necessarily cause severe disease. 3. A pathogen which uses a specific portal of entry will only be able to establish an infection in the system associated with that portal.