Chapter 5 review Nutritional Sciences
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Which of the following is a safe way to thaw frozen foods?
a)in a warm oven 80 degrees
b)In a bowl of hot water
c)in the refrigerator
d)on the counter
The production of brevetoxins by algae is an example of shellfish poisioning: T/F
Jasmine is trying to lose weight. She has decided to try a diet that lets her eat unlimited amounts of protein. The protein that jasmine eats above and beyond what she need is:
a) excreted in urine
b)excreted as amino acids in feces
c)transformed into fat and stored in adipose tissue
d) transaminates into lipids and circulated in the lymph
Freezing kills many parasitesT/F
Hydrochloric acid is released from parietal cels of the stomach and is responsible for hydrolyzing the peptide bonds of the proteins primary structure T/F
The presence of small polypeptides and amino acids in the small intestine causes specialized cells there to release the hormone_____
Amino acids are defined by the structural part of the molecule that is unique to each. This part of the molecule is called the ______ group.
Amino acids are used to synthesize proteins for structure,catalysis,movement, transport,communication, and protection T/F
Foods can be preserved by drying, salting, smoking, fermentation, heating, freezing, and irradition T/F
Your family has a small winery. The wines are safe to drink as:
a)the alcohol kills pathogenic organisms
b)you cook the fruit juice prior to fermentation
c)growth of nonpathogenic organisms minimizes growth of pathogenic ones
d)you irradiate the wine
For transcription to happen, _____ must communicate the DNA code to organelles outside the cell nucleus
a) Messenger ribonucleic acid
b)messenger deoxyribonucleic acid
c)transfer ribonucleic acid
What happens if the shape of a protein is altered?
a)the functionality of the protein is affected
b)the nutritional value is decreased
c)the protein is destroyed
Although everyone is at risk for getting foodbourne illness, certain people are more susceptible than others, such as infants, the elderly, and:
a) pregnant women
d) adult males
You are making a scrambelled egg for breakfast. When you heat the egg you are____ the protein.
It is safe to that frozen foods at room temperature T/F?
Home Canned, _____ foods may put you at risk for botulism if the food was not processed properly
What is another name for a chain of more than 12 amino acids bonded together?
Protozoa are considered to be____
When fluid accumulates in the abdominal cavity, the condition is referred to as_______
People get shellfish poisoning when they eat_______.
a)marine toxin contaminated shellfish or fish
b)shellfish or fish that can produce marine toxin in the GI tract of humans
c)shellfish or fish that themselves have produced marine toxin
d)immature shellfish or fish
Meat, fish, eggs, dairy products, and ___ are especially good sources of protein.
Most amino acids enter your _____ and circulate to the _____.
a) lymph, liver
d) blood, liver
How many grams of protein would someone weighing 60kg need?
Stable alterations in gene expression that occur without alterations in DNA sequence are called______.
For most healthy individuals, excessive protein intake can eventually injure the kidneys resulting in severe health complications T/F
In total, humans need how many different amino acids?
Which term refers to the prevention of terrorist attacks on our food supply?
a) food biosecurity
b) food security
The number of sequences of amino acids in a single polypeptide chain is called the sequential structure of a protein T/F
All microbes in food are harmful T/F
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