True or False: Gene therapy has been used for years to treat or cure sickle-cell disease.
Answer the following statement true (T) or false (F)
False
This statement is false. While the results of the first trials using gene therapy to treat or cure sickle-cell are extremely promising, clinical trials are still underway and this process is not widely available yet.
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The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, and a "1" indicates the derived condition. Which trait is least informative of phylogenetic relationships within the group?
A. A
B. B
C. C
D. D
E. E
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 cladistics?
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?
In the ocean, swimming organisms that can move at will in the water column are referred to as
A) periphyton. B) zooplankton. C) megaplankton. D) nekton.
Stroma and grana are found in the
A. chlorophyll. B. nucleus. C. chloroplast. D. All of these answers are true.
Geogemma barossi:
a. Iron Mountain, CA b. obsidian pools in Yellowstone National Park c. sewage sludge and bovine rumens d. associates with Ignicoccus e. deep sea vents