
Molecular Biology Review
Quiz by Norman Mitchell
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101 questions
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- Q1A protist is composed of only one cell. This means that a protistis a living organism.cannot reproduce.gets energy directly from sunlight.cannot survive in water.30s
- Q2All living things need energy; it is a requirement for life. In a typical cell, ATP, the high energy molecule, is produced in the __________ in the presence of a sugar (glucose) and ______________.mitochondria; oxygen.vacuole; water vapor.nucleus; oxygenER; carbon dioxide.30s
- Q3A simple bacteria cell has the same structure as more complex cells. It controls what comes in to and leaves the cell and also maintains homeostasis. It is thecytoplasm.capsule.wall.membrane.30s
- Q4Plants use the energy from the sun to convertoxygen into carbon dioxide.carbon dioxide into sugar.
water into sugar.
carbon dioxide into water.30s - Q5Where is the genetic information is found in a eukaryotic cell?cytosolnucleusendoplasmic reticulummitochondrion30s
- Q6Why are calcium, magnesium, phosphorus, and fluorine important to human health?proteins that support bonesvitamins that support boneslipids that support bonesminerals that support bones30s
- Q7Scientists believe there is a link between cigarette smoking and cancer. Evidence for this inference includes which statement?Rates of lung disease are significantly increased among smokers.According to a recent study, 7 out of 10 smokers who try to quit smoking begin smoking again within one month.One brand of cigarettes sold more than 44 million packs last yearChemicals found in tobacco may be both physically and physiologically addictive.30s
- Q8Why is protein an important part of a healthy diet?It is needed to change glucose to energy.It is needed to repair tissue.It is needed to produce water.It is needed to store nutrients.30s
- Q9Which food provides the MOST energy for the body in the shortest amount of time?fruitpotatomilkmeat30s
- Q10Why is a healthy diet important?It supplies the body's needs for growth and energy.It prevents damage to internal organs.It maintains a constant body temperature.It makes oxygen for all the cells in the body.30s
- Q11Which meal would provide the most benefit to digestion and respiration?fried chicken and macaroni and cheesehamburger and french friesbaked fish and a green saladspaghetti and toasted garlic bread30s
- Q12Which would most likely improve digestive function and contribute to better health?reducing vitamin intakereducing fats in the dietlimiting aerobic exerciselimiting water consumption30s
- Q13Which would most likely contribute to heart disease?diet high in vitaminsdiet low in carbohydratesdiet low in proteinsdiet high in lipids30s
- Q14How are plant cells and human cells different?Plant cells make their own energy, but human cells do not.Plant cells make their own food, but human cells do not.Human cells need energy, but plant cells do not.Human cells need food, but plant cells do not.30s
- Q15Which is the best food choice for a healthy lifestyle?grilled chickensteak and eggsspaghetti and meatballsfried fish30s