If you are seeking to maintain a healthy weight, should you be concerned about carbohydrate, fat or
protein intake? What will be an ideal response?
You should be concerned about the intake of all three! While fats are the most calorie dense, all three
substances contain calories and will contribute to your total caloric intake. Where body mass is
concerned, the source of the calories is less important than the total number of calories.
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________ is the second messenger associated with the regulation of blood pressure.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements concerning
production of bryophyte reproductive cells is true? a. Spores and gametes are produced by meiosis. b. Spores and gametes are produced by mitosis. c. Spores are produced by meiosis, whereas gametes are produced by mitosis. d. Spores are produced by mitosis, whereas gametes are produced by meiosis. e. Spores and gametes are both used for sexual reproduction.
What blood type would a person who is homozygous recessive for all blood type alleles have?
A) A B) B C) AB D) O
When the continent of Pangea first split apart, it formed
a. a northern landmass called laurasia and a souther landmass called gondwanaland b. thousands of small islands that later joined to form the modern continents c. a western landmass corresponding to north and south america and an eastern landmass corresponding to the other modern continents d. a western landmass corresponding to north and south americas and an eastern landmass corresponding to africa, australia, india and antarctica e. an array of landmasses similar to current ones in a single separation along multiple existing fractures