The most complex food webs tend to have many

__________ species.
a. producer
b. decomposer
c. herbivorous
d. omnivorous
e. consumer


Answer: c

Biology & Microbiology

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The actual residues in a DNA-binding protein that interacts with DNA usually correspond to each other according to the amino acids encoded by the DNA

For example, a DNA sequencing containing AGC-AGA-CAG which encodes for Ser-Arg-Gln would likely have a DNA-binding protein with Ser-Arg-Gln bind to it. Indicate whether the statement is true or false.

Biology & Microbiology

A researcher wants to create a mouse model for a disease, to allow her team to study possible therapies. The disease is known to be caused by a small deletion that removes a certain gene. Which type of mouse would be the best choice for this purpose?  

A.  Knockout mouse B.  Knockin mouse C.  Conditional knockout mouse activated by a drug D.  Mutant derived by traditional forward genetics screen E.  Tissue-specific gene knockout 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 transgenic mouse technology?   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?

Biology & Microbiology

The plant hormone ____ is primarily responsible for the growth of a floral stalk in rosette plants such as cabbages

a. salicylic acid b. cytokinins c. ethylene d. gibberellin e. brassinosteroid

Biology & Microbiology

Endogenous infectious agents arise from microbes that are ________.

A. in food B. in the air C. transmitted from one person to another D. on fomites E. the patient's own normal biota

Biology & Microbiology