What is the molecule that brings amino acids to the ribosome to be bound together during translation?
A) messenger RNA (mRNA)
B) transfer RNA (tRNA)
C) ribosomal RNA (rRNA)
D) leucine
E) methionine
B) transfer RNA (tRNA)
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The development of tracheids helped land plants to
A. resist desiccation. B. protect the genome from UV exposure. C. grow to very large sizes. D. absorb H2O from stems and leaves. E. take in more CO2. 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 tracheids? What other information is related to the question? Choose Answer Given what you now know, what information 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?
We now know that some of the 7 alleles Mendel studied are on the same chromosome in pea plants
Despite this, the law of independent assortment still applies. How can you explain this?
a. There is recombination via the synaptonemal complex during mitosis. b. There is recombination via the synaptonemal complex during meiosis. c. The law of independent assortment applies to all alleles regardless of their arrangement on chromosomes. d. Mendel was a good enough mathematician to design experiments that would result in the predicted ratios. e. Mendel was incredibly lucky.
A microbiologist explains to one of her biology classes that her research focuses on the nucleoid region of the cholera bacteria. This means that she is studying a region within the bacterium that contains the
A. R plasmids. B. peptidoglycan. C. nucleic acids. D. nuclear membrane.
Work by ________ laid the foundations of immunology with the development of vaccines.
A. Redi and Spallanzani B. Koch and Pasteur C. Jenner and Pasteur D. Lister and Semmelweis E. Pauling and Woese