Nutrition chapters 7,8,9
proteins
comprised of amino acids
Vitamin A helps
maintain epithelial cells
The ____ is main site of deamination in the body
liver
the typical american eats more protein from _______ than he or she did in the early 1900s
meat
which vitamin protects polyunsaturated fatty acids from being damaged by free radicals
B-12
which of the following vitamins have antioxidant activity
B-6
______ are fat soluble vitamins
K,E,D
cameron was born with a condition that requires him to limit eating foods that contain phenylalanin. based on this info cameron has
PKU
Lucy has a disease that affects the functioning of her pancreas. Based on this info, she may have difficulty digesting protein because of a lack of
Pepsin
Which of the following statements is true
Transamination is the process of removing the nitrogen group from an amino acid and transferring it to another substance
The deamination process forms
ammonia
Carmen is an active child who is allergic to peanuts. While attending a classroom party, Carmen accidentally was exposed - and developed what
anaphylaxis
an ______ is a substance that protects vulnerable molecules from free radicals
antioxidant
which of the following statements is true
biotin is a vitamin-like substance for humans
a ___ remains when the nitrogen-containing portion of an amino acid is removed
carbon skeleton
which of the following foods is not often responsible for causing an allergic response in susceptible persons
carrots and celery
the body uses proteins to make
certain hormones
a person suffering from celiac disease must avoid
consuming foods that contain gluten
______ is the process that changes the normal shape of a protein and, as a result, the molecule loses its usual function
denaturation
vitamin D is a
hormone
In the stomach, ________ participate in the chemical digestion of protein
hydrochloric acid and pepsin
bernice is a vegan. which of the following foods does she eat
legumes
Roberta is 25 years of age, healthy, and pregnant. Based on this information, her body is in _____ nitrogen balance
negative
Rosa is a teenager who has an eating disorder characterized by self-imposed starvation. Based on this information, her body is in ____ nitrogen balance
negative
________ are water-soluble vitamins
niacin, riboflavin, and thiamin
an early symptom of vitamin A deficiency is
night blindness
Every amino acid has ____ in its chemical structure
nitrogen
which of following foods are legumes
peanuts
The chemical attraction btw the acid group of one amino acid and the amino group of another acid can form a
peptide bond
A gene is a
piece of DNA that codes for a specific protein
Jacob is a healthy, active 14-year-old boy. Recently he began to experience a growth spurt. Based on this info, his body is in _____ nitrogen balance
positive
which of the following statements is true
protein is the primary energy source for the human body
which of the following statements is true
protein-energy malnutrition affects babies while they are breastfeeding
compared to a triglyceride molecule, a protein moluce
provides more energy
Instructions for making proteins are coded in a cell's
ribosomes
During digestion, which of the following substances denatures the proteins in food?
stomach acid
which of the following statements is true about vitamins
they are usually in foods that american commonly eat