In the ABC model of floral development, flower development in Arabidopsis is regulated by _____ activities controlled by ____ genes

A. 3; 3
B. 3; 4
C. 4; 3
D. 4; 4
E. 3; 5


B

Biology & Microbiology

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The figures show alternative phylogenies of HIV strains in a victim who was infected with HIV+ blood and in potential sources of the blood (“Patient”) and HIV strains in members of the community (“Community”). Choose the true statement(s) about the evolution of this HIV strain (Select all that apply). 




_____  Figure 1 supports that the victim contracted HIV from the patient, and Figure 2 supports that the victim contracted HIV from someone in the community.  
_____  Figure 1 supports that the victim contracted HIV from someone in the community, and Figure 2 supports that the victim contracted HIV from the patient.

_____  Figure 1 supports that the HIV strain mutated into a new strain inside the victim’s body, and Figure 2 supports that HIV did not mutate into a new strain inside the victim’s body.
_____  Figure 1 supports that the HIV strain did not mutate into a new strain inside the victim’s body, and Figure 2 supports that HIV mutated into a new strain inside the victim’s body.


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
· 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?

Biology & Microbiology

In humans, an X-linked disorder called coloboma iridia (a fissure in the iris) is a recessive trait. A

normal couple has an afflicted daughter. The husband sues the wife for divorce on the grounds of infidelity. Would you find in his favor? What will be an ideal response?

Biology & Microbiology

The name given to double-stranded DNA that is twisted upon itself is ________

Fill in the blank with correct word.

Biology & Microbiology

Which of the following is a family of six-pointed, star-shaped viruses that cause gastrointestinal diseases?

A. Picornaviridae B. Caliciviridae C. Rhabdoviridae D. Coronaviridae E. Filoviridae

Biology & Microbiology