Electron microscopy of metaphase chromosomes demonstrated various degrees of coiling. What was the name of the model that depicted this process?
A) double-stranded
B) packing
C) condensation
D) chromatid folding
E) folded-fiber
Answer: E
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Describe some differences between ectomycorrhizal fungi and arbuscular mycorrhizal fungi.
What will be an ideal response?
A developmental theory is a systematic statement of general principles that provides a framework for understanding how and why people change as they grow older.
Indicate whether the statement is true or false.
Raw milk and pasteurized milk were discussed in this exercise. Ultra pasteurized milk is heated to a higher temperature than regular pasteurized milk. If this same exercise were repeated using raw milk, pasteurized milk and ultra pasteurized milk, think about which type of milk you would predict would have the smallest number of organisms per ml and the largest number of organisms per ml? After diluting the milk samples 1:10, 1:100, and 1:000 and incubating them on nutrient agar plates, which type of milk would you predict to have the most TFTC plates?
A) Raw milk B) Pasteurized milk C) Ultra pasteurized milk
How could you distinguish between a root hair versus a very small root?
A. Root hairs are extensions of single cells, while roots are multicellular. B. Root hairs are white, while roots are brown. C. Root hairs only absorb water, not nutrients like roots. D. Root hairs do not have a cuticle. E. The epidermis of a root hair is thinner than the epidermis of a root.