During which phase of mitosis do sister chromatids separate to opposite poles of the cell?
A) prophase
B) anaphase
C) metaphase
D) telophase
B
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Hox genes are a family of transcription factors that regulate development throughout the animal kingdom. Studies of Hox genes in mice and Drosophila showed that many Hox genes are conserved between both species, and several Hox genes duplicated into new genes with novel functions within mice. Some Hox genes have even lost all function. Hox genes provide an example of which of the following? Check all that apply.
_____ orthologs _____ paralogs _____ heterologues _____ pseudogenes 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 homology? 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?
The 3' end of DNA
A. refers to the end that has a hydroxyl group attached to the number 3 carbon of deoxyribose. B. attaches to the 5' phosphate group of the incoming nucleotide. C. always has thymine attached to it. D. usually has guanine attached to it. E. refers to the end that has a hydroxyl group attached to the number 3 carbon of deoxyribose AND attaches to the 5' phosphate group of the incoming nucleotide.
Which letter in the above figure represents breast
cancer? a. A b. B c. both A and B d. neither A or B e. this is prostate tissue
Describe the cell morphology, colors, and percentage of the total white blood cell count for each type of white blood cell that would be distinguished by a hematologist analyzing a stained blood smear.
What will be an ideal response?