A. Lightning strikes
B. Flooding
C. Earthquakes
D. Sunspot activity
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A tsunami is a series of large waves that are caused by the displacement of a large volume of water in the ocean or a large lake. The most common cause of tsunamis is earthquakes, which can generate seismic waves that travel through the water and create sudden changes in water level.
Therefore, the Correct Answer is C.
Which of the following is the atomic number of an atom that has 12 protons and 12 neutrons?
A. 24
B. 1
C. 12
D. 144
The Correct Answer is C.The atomic number of an atom is defined as the number of protons in its nucleus. Protons are positively charged particles that make up part of the atomic mass, along with neutrons, which have no charge. The number of neutrons can vary for atoms of the same element, resulting in different isotopes. However, the number of protons is always constant for a given element. Therefore, to find the atomic number of an atom that has 12 protons and 12 neutrons, we only need to look at the number of protons.
Which of the following is the structure through which blood exits the glomerulus?
A. Proximal tubule
B. Distal tubule
C. Afferent arteriole
D. Efferent arteriole
The Correct Answer is D.The glomerulus is a network of capillaries that filters blood and forms the primary urine. The blood enters the glomerulus through the afferent arteriole and leaves through the efferent arteriole. The efferent arteriole has a smaller diameter than the afferent arteriole, creating a high pressure in the glomerulus that facilitates filtration.
Which of the following can lead to a tsunami?
A. Lightning strikes
B. Flooding
C. Earthquakes
D. Sunspot activity
The Correct Answer is C.A tsunami is a series of large waves that are caused by the displacement of a large volume of water in the ocean or a large lake. The most common cause of tsunamis is earthquakes, which can generate seismic waves that travel through the water and create sudden changes in water level.
Which of the following is the main function of centrosomes in animal cells?
A. Organelle trafficking
B. Pathogen digestion
C. Microtubule organization
D. Cytoplasm formation
The Correct Answer is C.Centrosomes are small structures that are found near the nucleus of animal cells. They consist of two centrioles that are surrounded by a protein matrix called the pericentriolar material. The main function of centrosomes is to organize the microtubules, which are long, hollow tubes that form part of the cytoskeleton. Microtubules are involved in many cellular processes, such as cell division, cell movement, and intracellular transport. Centrosomes act as the main microtubule-organizing centers (MTOCs) in animal cells, meaning that they nucleate and anchor the microtubules
Which of the following is a group that can be measured against the experimental group?
A. Manipulated
B. Responding
C. Variable
D. Control
The Correct Answer is D.The experimental group is the group that receives the treatment or intervention in a scientific study. To evaluate the effect of the treatment, the experimental group is compared to another group that does not receive the treatment. This group is called the control group. The control group serves as a baseline or reference point for the experimental group. The control group should be as similar as possible to the experimental group in all other aspects, except for the treatment
Which of the following vessels carries oxygenated blood?
A. Pulmonary vein
B. Pulmonary artery
C. Superior vena cava
D. Inferior vena cava
The Correct Answer is A.The pulmonary vein is the only vessel in the list that carries oxygenated blood. The pulmonary artery carries deoxygenated blood from the heart to the lungs, where it gets oxygenated. The superior and inferior vena cava are large veins that carry deoxygenated blood from the upper and lower body, respectively, to the heart.
Testosterone is categorized as which of the following types of hormones?
A. Progestin
B. Androgen
C. Aldosterone
D. Estrogen
The Correct Answer is B.Testosterone is a hormone that belongs to the class of androgens, which are responsible for the development and maintenance of male characteristics. Androgens are synthesized from cholesterol and can be converted into other types of hormones, such as estrogens and progestins. Aldosterone is a different type of hormone that regulates the balance of salt and water in the body.
Which of the following microorganisms lack their own metabolic pathways and can only reproduce inside of a host cell?
A. Viruses
B. Bacteria
C. Helminths
D. Protozoa
The Correct Answer is A.Among the four types of microorganisms listed, only viruses lack their own metabolic pathways and can only reproduce inside of a host cell. Viruses are considered to be obligate intracellular parasites, meaning that they depend on another living cell for their survival and replication. Bacteria, helminths, and protozoa, on the other hand, are able to metabolize nutrients and energy from their surroundings and can reproduce independently of a host cell.
Which of the following are the two major parts of the nervous system?
A. Autonomic nervous system and central nervous system
B. Peripheral nervous system and central nervous system
C. Peripheral nervous system and somatic nervous system
D. Autonomic nervous system and somatic nervous system
The Correct Answer is B.The nervous system is divided into two major parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord, while the PNS consists of all the nerves outside of the CNS.
Which of the following summarizes a change that takes place as a solid turns to a liquid?
A. Particles become less ordered.
B. Intermolecular forces between particles become stronger.
C. Particles move closer together.
D. Particles have a decrease in mobility.
The Correct Answer is A.When a solid turns into a liquid during the process of melting, the particles within the solid gain enough energy to overcome the attractive forces holding them in a fixed arrangement. As a result, the particles become less ordered and more mobile, transitioning from a rigid structure to a more fluid state.