A person who has blurred vision caused by a misshapen lens or cornea has ________

A) farsightedness
B) nearsightedness
C) astigmatism
D) cataracts


C

Biology & Microbiology

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Choose the evidence supporting the argument that a small number of changes in developmental regulatory genes can result in large phenotypic changes.(choose all that apply)  

_____  Closely related animals can have very different patterns of development. _____  Most developmental genes are highly conserved. _____  Much of phenotypic variation is environmentally caused. _____  The developmental "toolkit" consists of a large number of genes. 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 developmental regulatory genes?   Consider Possibilities · Consider the different answer options. Which can you rule out?   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

Consider the following two chemical equations:A

glucose + fructose ? sucrose + H2O, ?G = +27kJ/mole (or +6.5 kcal/mole) B. glucose + fructose + ATP ? sucrose + ADP + Pi, ?G = ?5kJ/mole (or ?1.2 kcal/mole) The free energy change difference between the chemical equations (A) and (B) above is accomplishedby:a. a decrease in activation energy. b. combining two endergonic reactions. c. combining an endergonic and an exergonic reaction. d. combining two exergonic reactions. e. measuring the reaction rate.

Biology & Microbiology

An ecologist trying to determine the geographic range of a species of grasshopper is working at which level of ecological complexity?

What will be an ideal response?

Biology & Microbiology

During this initial period of division in a zygote, there is no increase in the overall size of the embryo.  

A.  Mitosis B.  Cleavage C.  Meiosis D.  Fertilization

Biology & Microbiology