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1. The common ancestor of all the tetrapod vertebrates had four limbs with a similar skeletal structure to thatseen in many vertebrates today. Considering this, in what sense are the arms of humans homologous to thewings of a bird?
2. The green algal ancestors of plants existed in aquatic habitats, contained chlorophyll a and b, and had cellwalls composed mainly of cellulose. Land plants also contain chlorophyll a and b and have cell walls ofcellulose. What traits in the land plants are primitive? What trait represents divergent evolution from theancestral form?
3. The ancestors of hominids were quadrupeds, walking on four legs. Humans are bipedal. Is this characterderived or ancestral? Are the walking habits of chimpanzees primitive or advanced?
What changes might you make to increase the fiber in your diet? How might insufficient or excessive amounts of proteins, carbohydrates, fats, or fiber contribute to health or illness? Provide examples.
Describe and give examples of the primary human tissues, and where in the body each can be found. Please include references.
Light can be considered a particle or a wave, depending on the situation. Why is it a particle in this situation and a wave in others?
You run a set of reactions to determine the reaction rate as a function of substrate concentration and notice that the rate decreases as your substrate concentration increases.
Which of the following is not true about introns?
Breathing Rate increasesas Power raise. However, it is not expectedto increase linearly throughout the Power domain. Explain how BR increased as Power increased
Consider two different organisms. Determine which of the following results would support a hypothesis that one of the species was more highly evolved that the other and determine minimum number of regulatory proteins.
Explain the significance of the base-pairing pattern. Explain why the two strands of DNA are said to be antiparallel. Explain the process of DNA replication. Explain why DNA replication is said to be semiconservative.
Should we be concerned about eating food processed from genetically modified organisms (GMOs) or is this concern unfounded? Besides possible food issues, are there any other potential problems that GMOs might cause?
What are the main charactistics and the examples of organisms in domain prokaryotes
Explain how the square and rectangular pieces (tissues that were sliced from the kidney of the pig) are different from each other.
In sheep, coat color is determined by a single, dominant gene. A white ram and a black ewe produce a black lamb. Which color is dominant? 1. white 2. black 3. impossible to determine.
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