A. They are involved in the secretion of glucose.
B. They are responsible for storing the fat that is found in adipose tissue
C. They are critical in the digestive breakdown of fat
D. They are the foundational element of muscles
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Adipocytes are primarily seen in adipose or fat tissue. Their primary function is the storage of fat Adipocytes play a crucial role in maintaining proper energy balance, storing calories in the form of lipids, and mobilizing energy sources in response to stress. They are not involved in the digestion of fat or the secretion of glucose, nor are they the foundational element of muscles
Therefore, the Correct Answer is B.
A doctor needs to convince his boss to approve a test for a patient. Which statement below best communicates a scientific argument that justifies the need for the test?
A. The patient looks like he needs this test.
B. The doctor feels that the patient needs this test.
C. The patient's symptoms and health history suggest that this test will enable the correct diagnosis to help the patient.
D. The patient has excellent insurance that will pay for several tests, and the doctor would like to run as many tests as possible.
The Correct Answer is C.A scientific argument should be based on measurable and observable facts such as the patient's current symptoms and health history. Discussing the patient's appearance or the doctor's feelings does not communicate a scientific argument. While insurance may be a factor in most healthcare systems, the status of the patient's Insurance does not communicate a scientific argument that justifies the need for the test
Which of the following orbitals is the last to fill?
A. 1s
B. 3s
C. 4p
D. 6s
The Correct Answer is D.Of these orbitals, the last to fill is 6s.
Orbitals fill in the following order: 1s, 25, 2p. 35, 3p, 4s, 3d, 4p, 55, 4d, 5p. 6s, 4f, 5d, 6p. 7s, 5f, 6d, and 7p. The number is the orbital number, and the letter is the sublevel identification. Sublevels has one orbital and can hold a maximum of two electrons. Sublevel p has three orbitals and can hold a maximum of six electrons. Sublevel d has five orbitals and can hold a maximum of 10 electrons, Sublevel f has seven orbitals and can hold a maximum of 14 electrons.
How many different types of nucleotides are there in DNA?
A. One
B. Two
C. Four
D. Eight
The Correct Answer is C.There are four different nucleotides in DNA. Nucleotides are monomers of nucleic acids, composed of five- carbon sugars, a phosphate group, and a nitrogenous base. Nucleotides make up both DNA and RNA. They are essential for the recording of an organism's genetic information, which guides the actions of the various cells of the body.
Which is NOT a type of protein?
A. Fibrous
B. Membrane
C. Globular
D. Unsaturated
The Correct Answer is D.There are three types of proteins: fibrous, membrane, and globular. Fibrous or structural proteins consist of collagen, elastin, and keratin. Membrane proteins are interactive and anchored to a membrane. Globular proteins consist of functional proteins like enzymes, hemoglobin, and insulin.
Therefore unsaturated is the correct answer.
Which of the following is exchanged between two or more atoms that undergo ionic bonding?
A. Neutrons
B. Transitory electrons
C. Valence electrons
D. Electrical charges
The Correct Answer is C.An ionic bond forms when one atom donates an electron from its outer shell, called a valence electron, to another atom to form two oppositely charged atoms.
Which of the following is an example of a chemical change?
A. Releasing compressed gas to make a bottle-rocket launch
B. Adding water to clay to make slip
C. Crystalizing honey to make candy
D. Including baking soda in a recipe to make it less sour
The Correct Answer is D.A chemical change involves a chemical reaction and new substances are produced. When baking soda is added to something sour (acidic) it neutralizes the acid and forms new molecules, in this case carbon dioxide and water. A physical change does not produce new substances. Phase changes such as evaporation and sublimation are physical changes. Changing the ratio of ingredients in a mixture, like adding more water to clay, does not change it chemically, but it can change some of the mixture's physical properties.
Your class is competing with another class to determine who has the best plant color. Your class decides to test a couple of solutions to determine which would be best for overall plant color before competing. Starting with four sets of four plants, the class decides to water each set with a different solution. They water them once a week with 200ml of the following solutions: water, diet soda, 1% bleach solution, and a 1% salt solution. All plants are placed in the window that receives the recommended amount of light. After a month of testing, your class notices that only two plants are alive, but one of those two does not look healthy. Based on these results, which of the following would be a good hypothesis to design the next experiment around?
A. Plants need more than 200 mL of liquid per week.
B. Salt has no impact on plant health.
C. Salt contains useful nutrients for plants.
D. A combination of the solutions tested will produce healthier plants.
The Correct Answer is A.Since only 2 out of the initial 16 plants survived the whole month, it would be reasonable to test variables that were shared by all the plants. As such, the amount of liquid the plants need would be a good follow-up experiment. It is not specified as to which plants survived, so there is not enough information to think that testing the impact of salt is warranted. Additionally, since almost all the plants died, it is not reasonable to assume that a combination of the solutions would have an impact.
A group of researchers have conducted a study examining the impact of a new medication on blood pressure.
What is the purpose of submitting the study for publication in a peer-reviewed journal?
A. Other scientists can validate or disprove the findings.
B. Publication in a peer-reviewed journal will guarantee acceptance of the study's conclusions.
C. Publication in a peer-reviewed journal is unnecessary for this type of study.
D. Publication in a peer-reviewed journal will lead to the manipulation of the study's results.
The Correct Answer is A.Other scientists can validate or disprove the findings.
The purpose of submitting a study for publication in a peer-reviewed journal is to have the study’s methodology, results, and conclusions evaluated by other experts in the field.
This process helps to ensure the quality and validity of the research. Choice B.
Publication in a peer-reviewed journal will guarantee acceptance of the study’s conclusions is incorrect because publication in a peer-reviewed journal does not guarantee acceptance of the study’s conclusions.
The study’s findings may still be subject to debate and further research. Choice C.
Publication in a peer-reviewed journal is unnecessary for this type of study is incorrect because publication in a peer-reviewed journal is an important step in the scientific process for all types of studies.
Choice D.
Publication in a peer-reviewed journal will lead to the manipulation of the study’s results is incorrect because the peer-review process is designed to prevent manipulation of results by ensuring that the study meets rigorous standards for quality and validity.
Every child in a certain family has been diagnosed with autism spectrum disorder (ASD). Based on this evidence, what possible conclusion can be drawn about ASD?
A. ASD may be lethal.
B. ASD may be genetic.
C. ASD is related to traditional nuclear family structures,
D. No conclusion can be drawn based on this evidence.
The Correct Answer is B.The evidence says that every child in a certain family has been diagnosed with autism spectrum disorder (ASD). All of these children have genetic commonalities. Therefore, ASD may be genetic.
The evidence does not mention whether the children died from ASD. Therefore, no conclusion can be drawn that ASD may be lethal. Furthermore, the sample size of the evidence is much too small to suggest that ASD is related to traditional nuclear family structures.
Which of the following anatomical terms is NOT part of the knee?
A. Medial collateral ligament
B. Patella
C. Lateral malleolus
D. Lateral meniscus
The Correct Answer is C.The term "lateral malleolus" refers to the bony prominence on the outer side of the ankle.
It is part of the ankle joint, not the knee joint. The other options, such as the medial collateral ligament, patella, and lateral meniscus, are all associated with the knee joint.