In an attempt to become more environmentally conscious, a woman changes her lifestyle
She begins to grow the majority of her own food in her yard without using pesticides or synthetic fertilizers, she walks rather than taking the car for trips shorter than 5 kilometers, and she uses solar and wind for her power. By taking these actions, she is
A) increasing her intake of bioaccumulated compounds.
B) increasing her nitrogen cycling.
C) increasing her greenhouse gas output.
D) decreasing her carbon footprint.
E) increasing the number of endocrine disruptors to which she is exposed.
D
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Ribosomes are very old structures, found in all organisms (except viruses), from bacteria to humans. As a result, molecular taxonomists are looking at relationships based upon which rRNA sequence(s)?
A) 16S B) 18S C) 30S D) both choices A and B E) all of the above
What can you conclude about a species heavily reliant on diffusible morphogens in early development?
A. They are likely to have incomplete cleavage (a syncytium). B. They are likely to lack an organizer. C. They are likely to have activation via a calcium wave. D. They are likely to have small amounts of yolk and holoblastic cleavage. E. They are likely to have incomplete cleavage (a syncytium). 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 morphogens? 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? 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?
It is impossible to get lung cancer unless you smoke cigarettes.
Answer the following statement true (T) or false (F)
Gasoline will not burn in your car's engine unless it is ignited with a spark from a sparkplug. In this situation, the spark is providing:
A) hydrolytic energy. B) activation energy. C) entropy. D) enzymatic energy. E) coenzyme energy.