Although there are many distinct prokaryotic species, most have a small range of shapes, sizes, and growth rates. Which of the following characteristics are not observed in prokaryotes?

(a) a highly structured cytoplasm
(b) endoplasmic reticulum
(c) the ability to divide rapidly
(d) a cell wall


(a), (b)

Biology & Microbiology

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The product of the bicoid gene in Drosophila provides essential information about _____

A) lethal genes B) the dorsal-ventral axis C) the left-right axis D) segmentation E) the anterior-posterior axis

Biology & Microbiology

The systolic blood pressure is the time of the most pressure in the arteries

Indicate whether the statement is true or false.

Biology & Microbiology

Repressors

a. bind to operators. b. lie between operators. c. lie between promoters. d. lie after operators. e. are part of an operon.

Biology & Microbiology

Which of the following breakfasts would be highest in carbohydrate?

a. Grapefruit half, 2 fried eggs, 3 bacon slices, 1 slice of toast with butter, coffee b. 8 ounces orange juice, 2 cups Cream of Wheat with 2 tablespoons sugar, English muffin with jelly, 1 cup whole milk c. 8 ounces orange juice, 1/2 cup fresh blueberries, 8 ounces nonfat yogurt, coffee d. 1 cup whole milk, 2 ounces sausage, 2 fried eggs, 1 slice of toast with butter

Biology & Microbiology