How do organisms make use of nitrogen?
What will be an ideal response?
All organisms use nitrogen to build ATP, nucleic acids, and proteins. Photosynthetic organisms also use it to build chlorophyll.
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People with Xeroderma pigmentosum (XP) cannot properly execute base excision repair
A. true B. false
A bird sanctuary sometimes takes over the care of eggs or chicks of an endangered duck species if the parents are killed. They are sometimes able to use mothers of farm ducks to cross-foster the chicks, but it doesn't always work. Looking at the following data table, what is the critical period for imprinting in this species? (Note: DAH stands for "days after hatching".)
A. The critical period extends from 1-3 DAH.
B. The critical period extends from 3-8 DAH.
C. The critical period ends sometime between 1-3 DAH. We can not determine from this data when the critical period begins.
D. The critical period ends sometime between 3-8 DAH. We can not determine from this data when the critical period begins.
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 imprinting? 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?
A species whose absence would bring about major changes in a community is called a ________
Fill in the blank(s) with correct word
What is the most common disease caused by Propionibacterium?
A. acne B. food poisoning C. pneumonitis D. folliculitis E. a sty