Bacteria can synthesize unsaturated fatty acids only under anaerobic conditions.
Answer the following statement true (T) or false (F)
False
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You are excited because your lab is studying the first microorganisms retrieved from Mars! Interestingly, their genetic material consists of a single-stranded nucleic acid with six different nitrogenous bases. Like organisms from Earth, segments of the nucleic acid contain the code for making proteins. If the genetic code in these organisms was read in groups of 2 bases instead of 3, what is the maximum number of amino acids that could be coded for assuming that only one codon functioned as a stop codon? (Enter your answer as a numeral not a word, e.g. enter 17 not seventeen.)
What will be an ideal response? 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 already know about the genetic code? 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?
Applied researchers conduct their work to ____
a. answer all questions b. prove hypotheses c. solve any problem they face d. solve specific practical problems e. advance our collective knowledge of living systems
The respiratory surfaces of mammalian lungs are called ____
a. alveoli b. bronchi c. tracheae d. bronchioles e. air sacs
What process resulted in the loss of heath hens in North America?
A) competitive exclusion B) an extinction vortex C) a mutualism D) the negative effect of heterozygosity on fitness