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Q 1/50
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A group of students perform an experiment to test terminal velocity, which is the greatest speed obtained by a falling object. The students dropped different numbers of coffee filters and measured the resulting terminal velocity. Which of the following conclusions is supported by the data in the following data table?
60
Terminal velocity is when the force of gravity is equal to air resistance
The greater the number of filters, the smaller the terminal velocity
Heavier objects fall faster than lighter objects
Heavier Objects take more time to reach terminal velocity
50 questions
Q.A group of students perform an experiment to test terminal velocity, which is the greatest speed obtained by a falling object. The students dropped different numbers of coffee filters and measured the resulting terminal velocity. Which of the following conclusions is supported by the data in the following data table?
1
60 sec
Q.Which of the following ions binds to the troponin complex, initiating contraction of a muscle?
2
60 sec
Q.Parasitic worm infestation is hypothesized to be damaging to the host. However, scientists have recently discovered the worm infestation can relieve the effects of certain autoimmune disorders. In which of the following ways should the hypothesis be modified, given the new findings?
3
60 sec
Q.A patient goes to the doctor with a cold and sore throat and asks for antibiotics. The doctor refuses to prescribe antibiotics to the patient because the illness is caused by which of the following pathogens?
4
60 sec
Q.For which of the following reasons does a chloride ion have a negative charges?
5
60 sec
Q.To accurately measure the density of a series of small irregular solids made of plastic, wood, fiberglass, and glass. A small student will need which of the following laboratory tools?
6
60 sec
Q.An organism with an unknown genotype is crossed with another organism that shows the recessive trait (aa). The Punnett square above shows the results. Which of the following is the unknown genotype?
7
60 sec
Q.A triple point of substances is the temperature and pressure at which the substances exists at which of the following?
8
60 sec
Q.Which of the following functions does the myelin sheath perform for a nerve cell?
9
60 sec
Q.Which of the following is component of integumentary system that secretes pheromones?
10
60 sec
Q.Which of the following classes of biological molecules include enzymes?
11
60 sec
Q.Which of the following structures is an exocrine gland?
12
60 sec
Q.Emphysema caused by damaged to alveoli from toxins and pollutants is likely to result in the body have difficulty performing which of the following actions?
13
60 sec
Q.Which of the following regions of the body are the tibia and fibula?
14
60 sec
Q.The mitochondrial inner membrane carries out the same function in cellular respiration as the membrane of chloroplasts in photosynthesis. Which completes the sentences above?
15
60 sec
Q.Which of the tools can be used to measure the turbidity of a liquid by measuring the transmission of light through the sample?
16
60 sec
Q.Which of the following is a protein present in blood plasma?
17
60 sec
Q.Which of the following shows the correct order from simplest to most complex?
18
60 sec
Q.A researcher wants to gather data on the average wing strength of all birds found in the American Northwest. The researcher only has one small net, so all large birds were excluded from the study. The researcher's results were different than expected, but he believes his data include enough birds to estimate the strength of all birds. For which of the following reasons should this data be rejected?
19
60 sec
Q.Which of the following growth curves shows a population that is at its carrying capacity?
20
60 sec
Q.Which of the following properties does soap, an emulsifier, have that make it useful for washing dirt off one's hand with water?
21
60 sec
Q.Which of the following actions allows for repolarization of a neuron?
22
60 sec
Q.Genetic information describing the characteristics of an organism is found in which of the following?
23
60 sec
Q.A study found two processes. Process A and Process B. to be correlated. Which of the following is true for these processes?
24
60 sec
Q.If a mother's _____ cell contains mutated DNA, this mutation can be passed to offspring. Which of the following option s correctly completes the sentence above?
25
60 sec
Q.The covalent bonds between the monomers of an enzyme macromolecule are
26
60 sec
Q.Which of the following conclusions is supported by the data?
27
60 sec
Q.A researcher writes a grant proposal to repeat an experiment that was recently published by another researcher. Which of the following statements best supports the grant proposal?
28
60 sec
Q.An individual suffers severe blunt trauma to the thoracic cavity. Which of the following organs are at greatest risk from the injury?
29
60 sec
Q.Experiments cannot validate hypotheses, only falsify them. The statement above can be restated in which of the following ways?
30
60 sec
Q.Lipids absorbed in the small intestine will first enter which?
31
60 sec
Q.Which of the following organs filters excess solutes from the blood?
32
60 sec
Q.Which of the following is the function of the bone?
33
60 sec
Q.Both digestion and absorption happen in which of the following parts of the digestive system?
34
60 sec
Q.Which of the following describes a genetic mutation that results in uncontrolled division of a Single cell within the body?
35
60 sec
Q.Which of the following terms describes the relaxation of the chambers of the heart during the cardiac cycle?
36
60 sec
Q.Which of the following immune system molecules creates holes in the cell membrane of their target cells in order to destroy the cell?
37
60 sec
Q.Which of the following layers of skin lack blood vessels?
38
60 sec
Q.Which of the following Occurs in an Oxidation Reaction?
39
60 sec
Q.Which of the following Is an efferent neuron that is responsible for releasing a neurotransmitter that stimulates a muscle cell to contract?
40
60 sec
Q.Which of the following actions allows for repolarization of a neuron?
41
60 sec
Q.Which of the following is a group that can be measured against the experimental group?
42
60 sec
Q.Which of the following allows the AIDS virus, which contains RNA, to insert viral DNA into the DNA of a host cell after the AIDS virus enters the cell?
43
60 sec
Q.Which of the following actions does a hydrophilic hormone take to activate a target cell?
44
60 sec
Q.Which of the following best describes adaptive immunity?
45
60 sec
Q.Histones are proteins associated with which of the following?
46
60 sec
Q.How many times larger is the volume of a cube that is 4 mm on all sides compared to the volume of a cube that is 2 mm on all sides? (Round the answer to the nearest whole number.)
47
60 sec
Q.Which of the following structures is present in both prokaryotic and eukaryotic cells?
48
60 sec
Q.A cell is placed in a hypertonic solution. Which of the following describes the resulting osmosis?
49
60 sec
Q.Which of the following terms describes the removal of metabolic waste from the body?