Griffith, a British microbiologist, used bacteria and mice to demonstrate the process of transformation. During transformation,
A. a bacterial chromosome produces an exact copy of itself.
B. the nucleus of a mouse cell repairs itself when damaged by bacterial infection.
C. DNA from an infected mouse cell changes bacteria from a non-pathogenic to a pathogenic form.
D. genetic material is transferred from one bacterial cell to another.
E. a bacterial cell is transformed into a spore during unsuitable environmental conditions.
D. genetic material is transferred from one bacterial cell to another.
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In humans, hemophilia is caused by a recessive allele on the X chromosome. Suppose a man with hemophilia has children with a healthy woman whose mother had hemophilia. What is the probability that their second child will have hemophilia? (Enter the probability as a percent. Enter the number only without the percent sign. For example, enter 100% as 100 and enter 12.5% as 12.5)
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? Gather Content · What do you already know about X-linked inheritance? 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?
All of the following are hydrophytes except:
a. turtle grass. b. Zostera. c. surf grass. d. cordgrass.
Which organism is considered part of the nekton?
a. frigate bird b. penguin c. cormorant d. snowy plover e. albatross
An abnormally high buildup of aqueous humor in the eye is called _________
Fill in the blank(s) with correct word