If you are rolling a standard six-sided die with each side numbered from 1 to 6, what is the probability that you will roll a 2 or a 4?

a. 1/6
b. 1/2
c. 1/3
d. 1/4


c. 1/3

Biology & Microbiology

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Shotgun sequencing is precise enough to achieve a complete genomic sequence without the need for other mapping methods

Indicate whether the statement is true or false

Biology & Microbiology

The voltage across a membrane is called the ____

a. electrochemical gradient b. turgor pressure c. membrane potential d. chemical gradient e. electron potential

Biology & Microbiology

Herring gulls feed their chicks by regurgitating food for the chick in the nest. When a chick pecks at the red spot on the gull's beak, the parent regurgitates the food. Interestingly, the chicks will peck at any red spot, whether it is attached to a gull or not. Which features of this behavior are correctly labeled? (Check three.)  

_____  Fixed action pattern -- finding a healthy variety of food for the chick _____  Fixed action pattern -- pecking at the spot _____  Innate releasing mechanism -- neural circuit that induces pecking in response to a red spot _____  Innate releasing mechanism -- the red spot _____  Key stimulus -- the shape of the parent's beak _____  Key stimulus -- the regurgitated food _____  Key stimulus -- the red spot 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 feeding behaviors? 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? Reflection 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

Mutations of some genes for human height result in ____________________.Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology