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Molecular Biology Review

Quiz by Norman Mitchell

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101 questions
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  • Q1
    A protist is composed of only one cell. This means that a protist
    is a living organism.
    cannot reproduce.
    gets energy directly from sunlight.
    cannot survive in water.
    30s
  • Q2
    All 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; oxygen
    ER; carbon dioxide.
    30s
  • Q3
    A 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 the
    cytoplasm.
    capsule.
    wall.
    membrane.
    30s
  • Q4
    Plants use the energy from the sun to convert
    oxygen into carbon dioxide.
    carbon dioxide into sugar.

    water into sugar.

    carbon dioxide into water.
    30s
  • Q5
    Where is the genetic information is found in a eukaryotic cell?
    cytosol
    nucleus
    endoplasmic reticulum
    mitochondrion
    30s
  • Q6
    Why are calcium, magnesium, phosphorus, and fluorine important to human health?
    proteins that support bones
    vitamins that support bones
    lipids that support bones
    minerals that support bones
    30s
  • Q7
    Scientists 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 year
    Chemicals found in tobacco may be both physically and physiologically addictive.
    30s
  • Q8
    Why 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
  • Q9
    Which food provides the MOST energy for the body in the shortest amount of time?
    fruit
    potato
    milk
    meat
    30s
  • Q10
    Why 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
  • Q11
    Which meal would provide the most benefit to digestion and respiration?
    fried chicken and macaroni and cheese
    hamburger and french fries
    baked fish and a green salad
    spaghetti and toasted garlic bread
    30s
  • Q12
    Which would most likely improve digestive function and contribute to better health?
    reducing vitamin intake
    reducing fats in the diet
    limiting aerobic exercise
    limiting water consumption
    30s
  • Q13
    Which would most likely contribute to heart disease?
    diet high in vitamins
    diet low in carbohydrates
    diet low in proteins
    diet high in lipids
    30s
  • Q14
    How 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
  • Q15
    Which is the best food choice for a healthy lifestyle?
    grilled chicken
    steak and eggs
    spaghetti and meatballs
    fried fish
    30s

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