Imagine that you have isolated a mysterious liquid from a sample of food. You add the liquid to a beaker of water and shake vigorously. After a few minutes, the water and the other liquid separate into two layers
To which class of biological molecules does the unknown liquid most likely belong?
A) Enzymes
B) Nucleic acids
C) Carbohydrates
D) Proteins
E) Lipids
E
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Mendel used the garden ___ plant for his studies on inheritance.
A. lily B. carrot C. onion D. pea
With the advent of tools to incorporate molecular data, phylogenetic analysis can be used to:
A. reconstruct the evolutionary history of a group of organisms over millions of years. B. track the spread of a pathogen, such as a fungus or virus, from place to place. C. identify the origin of invasive pest species. D. track shipments of endangered species or their products (such as elephant ivory or bushmeat). E. All of the answer options are correct.
Based on the phylogeny shown, choose the true statement about evolutionary relationships.
A. Ginkgo is more closely related to oak than rose.
B. Oak is equally related to rose and pine.
C. Fern is more closely related to pine than to rose.
D. Fern is equally related to ginkgo and oak.
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?
If a cell is permeable to a solute, that solute will diffuse either into or out of the cell depending on the direction of its concentration gradient
a. True b. False