Download ch 6 group review

Name(s):
Chapter 6 REVIEW
Group
True/False Questions
1) Once DNA leaves the nucleus, its mRNA copies are made and brought to the ribosome.
Page Ref: 189
2) Plant proteins may be less digestible, especially when eaten raw. Page Ref: 196
3) Hemoglobin acts as a transport protein that carries nitrogen to cells from the lungs.
Page Ref: 192
4) Whole-wheat bread contains complete proteins. Page Ref: 196
5) Proteins within the body help to maintain fluid balance but not acid-base balance.
Page Ref: 190
6) During periods of starvation, the carbon skeletons of the amino acids are used for energy and
for gluconeogenesis. Page Ref: 193
7) People with marasmus are starving. Page Ref: 207
8) Children with kwashiorkor are prone to infections. Page Ref: 207
9) A protein is considered a complete protein if it contains all 11 nonessential amino acids and
some of the 9 essential amino acids. Page Ref: 196
10) Numerous research studies have shown that bones lose calcium when a person's diet is too
high in protein. Page Ref: 204
11) Vitamin A is found only in animal foods, but vegetarians can meet their needs by consuming
its precursor, beta-carotene. Page Ref: 211
12) A typical healthy adult is normally in a state of positive nitrogen balance.
Page Ref: 195
13) The absorption of zinc is inhibited by animal protein. Page Ref: 210
14) A high-protein diet has been linked to a lower risk of heart disease. Page Ref: 204
15) Consuming too much of any one amino acid via supplements can impede absorption of other
amino acids in the intestinal tract.
Page Ref: 198
16) Vegetarians can only consume adequate protein by eating a variety of vegetables and fish.
Page Ref: 208
17) The element found in protein but not carbohydrate is oxygen.
Nutrition & the Human Body
Chapter 6 REVIEW
Name(s):
Group
18) Nonessential amino acids can become essential if the body cannot make them, such as during
bouts of illness. Page Ref: 185
19) When amino acids are broken down, they lose their amine groups. Page Ref: 187
20) Isoflavones are weak plant estrogens. Page Ref: 214
True or False
1.
Your body can make all the protein it needs.
2. Proteins provide structural support.
3. Most enzymes are proteins.
4. Your body can use protein as an energy sources.
5. Growing children are in a stated of negative nitrogen balances.
6. You can digest the protein in pasta as easily as the protein in a chicken breast.
7. Approximately one-half of your daily calories should come from protein.
8. Active people need to eat protein bars.
9. Eating too much protein-rich food may increase your blood cholesterol level.
10. Soy is a good source of dietary protein.
1) What is the difference between an incomplete protein and complete protein? Give an example
of each. Page Ref: 196
2) Describe the basic structure of an amino acid. Page Ref: 183
3) What would you say to someone who purchases protein bars regularly?
Page Ref: 202-203, 219
4) What is the difference between an essential and a nonessential amino acid?
Page Ref: 184
5) Why might a vegetarian diet also be a lower-calorie diet than a diet that includes meat and
dairy? Page Ref: 209
Potential Essay-
What are the potential risks and benefits of a vegetarian diet? Page Ref: 209
Nutrition & the Human Body