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Questions and Answers
Which of the following allows the AIDS virus, which contains RNA, to insert viral DNA into the DNA of a host T-cell after the AIDS virus enters the cell?
Which of the following allows the AIDS virus, which contains RNA, to insert viral DNA into the DNA of a host T-cell after the AIDS virus enters the cell?
- Reverse transcriptase, an enzyme encoded by the virus (correct)
- The phospholipids found on the envelope of the virus.
- Receptor proteins located on the surface of the virus.
- The protein that makes up the capsid of the virus.
Hikers who found a human body at high altitude in the Italian Alps thought the man had died recently, but tests indicated he was shot with an arrow more than 5,300 years ago. Which of the following would be the best reason for prolonged preservation of the body?
Hikers who found a human body at high altitude in the Italian Alps thought the man had died recently, but tests indicated he was shot with an arrow more than 5,300 years ago. Which of the following would be the best reason for prolonged preservation of the body?
- The body was frozen in the cold temperature of the Alps shortly after he died and remained frozen until it was found (correct)
- • The ultraviolet rays at such a high altitude caused all the body's molecules to be preserved.
- The arrow wound caused blood to flow out of the body, which led the enzymes that would break down tissue to be cleared from the body
- The food that the person ate contained toxins that killed the bacteria that would have otherwise destroyed the body.
Which of the following is the function of a totipotent cell?
Which of the following is the function of a totipotent cell?
- Fights infectious diseases
- Develops into any kind of cell (correct)
- Carries electrical impulses
- Aids in the maturation of sex cells
Which of the following properties of water explains its solvent abilities for certain substances?
Which of the following properties of water explains its solvent abilities for certain substances?
Which of the following indicates the function of sodium Bicarbonate released by the pancreas?
Which of the following indicates the function of sodium Bicarbonate released by the pancreas?
Which of the following chemicals is released by one type of immune cell to directly activate another type of immune cell?
Which of the following chemicals is released by one type of immune cell to directly activate another type of immune cell?
Testosterone is categorized as which of the following types of hormones?
Testosterone is categorized as which of the following types of hormones?
Which of the following are used to determine a person's DNA sequence?
Which of the following are used to determine a person's DNA sequence?
In a phase diagram, which of the following is the term used for a substance held at a temperature and pressure where the solid, liquid, and gaseous states or a substance exist simultaneously?
In a phase diagram, which of the following is the term used for a substance held at a temperature and pressure where the solid, liquid, and gaseous states or a substance exist simultaneously?
In a hypertonic solution, water flows through aquaporins embedded in the plasma membrane of the cell. This type of transport is best known as which of the following?
In a hypertonic solution, water flows through aquaporins embedded in the plasma membrane of the cell. This type of transport is best known as which of the following?
Which of the following substances is responsible for donating H» ions to act as a buffer when blood pH rises?
Which of the following substances is responsible for donating H» ions to act as a buffer when blood pH rises?
Which of the following glands synthesizes antidiuretic hormone?
Which of the following glands synthesizes antidiuretic hormone?
In a certain plant, red flowers are dominant over white flowers. A plant heterozygous for red flowers and a plant with white flowers are crossed. Which of the following is the expected proportion of phenotypes in the next generation?
In a certain plant, red flowers are dominant over white flowers. A plant heterozygous for red flowers and a plant with white flowers are crossed. Which of the following is the expected proportion of phenotypes in the next generation?
Which of the following are the two major parts of the nervous system?
Which of the following are the two major parts of the nervous system?
Which of the following is a mass within the ovary that secretes hormones to maintain the uterine lining during pregnancy?
Which of the following is a mass within the ovary that secretes hormones to maintain the uterine lining during pregnancy?
A myocardial infarction affects which of the following blood vessels of the heart?
A myocardial infarction affects which of the following blood vessels of the heart?
Which of the following substances protects the skin from ultraviolet radiation?
Which of the following substances protects the skin from ultraviolet radiation?
Which of the following physiological responses is caused by the release of anti-diuretic hormone?
Which of the following physiological responses is caused by the release of anti-diuretic hormone?
Which of the following best describes the result of using a catalyst in a chemical reaction?
Which of the following best describes the result of using a catalyst in a chemical reaction?
Which of the following vessels carries oxygenated blood?
Which of the following vessels carries oxygenated blood?
The cytoskeleton of a cell is comprised of which of the following macromolecules?
The cytoskeleton of a cell is comprised of which of the following macromolecules?
Which of the following types of cells produce and release antibodies?
Which of the following types of cells produce and release antibodies?
To separate genomic DNA fragments by size, which of these laboratory methods is most useful?
To separate genomic DNA fragments by size, which of these laboratory methods is most useful?
In a plant in which fuzzy leaves (F) are dominant over smooth leaves (f), which of the following crosses will produce only offspring with smooth leaves?
In a plant in which fuzzy leaves (F) are dominant over smooth leaves (f), which of the following crosses will produce only offspring with smooth leaves?
Which of the following is a group that can be measured against the experimental group?
Which of the following is a group that can be measured against the experimental group?
Which of the following is the atomic number of an atom that has 12 protons and 12 neutrons?
Which of the following is the atomic number of an atom that has 12 protons and 12 neutrons?
Which of the following is the process in which an ovarian follicle matures and releases a reproductive egg?
Which of the following is the process in which an ovarian follicle matures and releases a reproductive egg?
Lithium has an atomic number of 3 and a mass number of 7. Which of the following is the number of protons in a lithium atom?
Lithium has an atomic number of 3 and a mass number of 7. Which of the following is the number of protons in a lithium atom?
Which of the following is the structure through which blood exits the glomerulus?
Which of the following is the structure through which blood exits the glomerulus?
Which of the following reasons explains why it is important for new scientific findings to be published?
Which of the following reasons explains why it is important for new scientific findings to be published?
Which of the following can lead to a tsunami?
Which of the following can lead to a tsunami?
Which of the following is the main function of centrosomes in animal cells?
Which of the following is the main function of centrosomes in animal cells?
Which of the following statements best supports the hypothesis that viruses can cause cancer?
Which of the following statements best supports the hypothesis that viruses can cause cancer?
Osteoporosis results from which of the following?
Osteoporosis results from which of the following?
The pleura is a connective tissue sheath that covers which of the following organs?
The pleura is a connective tissue sheath that covers which of the following organs?
Nitrogen gas is an extremely stable molecule because its structure contains which of the following?
Nitrogen gas is an extremely stable molecule because its structure contains which of the following?
Which of the following ions binds to the troponin complex, initiating contraction of a muscle?
Which of the following ions binds to the troponin complex, initiating contraction of a muscle?
Which of the following organic molecules contain both an amine and carboxyl group?
Which of the following organic molecules contain both an amine and carboxyl group?
Which of the following summarizes a change that takes place as a solid turns to a liquid?
Which of the following summarizes a change that takes place as a solid turns to a liquid?
Flashcards
Capital of France (example flashcard)
Capital of France (example flashcard)
Paris
