OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Cells stop making protein when their supply of lysine runs out.
|
|
|
Cells stop replicating DNA when their supply of lysine runs out.
|
|
|
Cells stop processing carbohydrates when their supply of lysine runs out.
|
|
|
Cells stop repairing cell membranes when their supply of lysine runs out.
|
Detailed explanation-1: -Corn is a popular feed for pigs because it is high in carbohydrates. However, it has a very low level of the amino acid lysine, so farmers usually add high lysine feeds to the corn. Which statement BEST explains why lysine levels in pig feed are important? Cells stop making protein when their supply of lysine runs out.
Detailed explanation-2: -Glucose is the main source of fuel for our cells. When the body doesn’t need to use the glucose for energy, it stores it in the liver and muscles. This stored form of glucose is made up of many connected glucose molecules and is called glycogen.
Detailed explanation-3: -What function in plant cells is comparable to an animal eating food? Chloroplasts absorbing solar energy for cellular activities.
Detailed explanation-4: -Mitochondria are common to both plant and animal cells.