Which of the following are formed when the plasma membrane surrounds a particle outside of the cell?
A. Golgi bodies
B. Rough endoplasmic reticulum
C. Secretory vesicles
D. Endocytic vesicles
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Endocytosis is a process by which cells absorb larger molecules or even tiny organisms, such as bacteria, that would not be able to pass through the plasma membrane. Endocytic vesicles containing molecules from the extracellular environment often undergo further processing once they enter the cell.
Therefore, the Correct Answer is D.
More Questions on TEAS 7 Science Practice Test 1
Question 1:
What is the role of ribosomes?
A. Make proteins
B. Waste removal
C. Transport
D. Storage
The Correct Answer is A.A ribosome is a structure of eukaryotic cells that makes proteins.
Question 2:
A chemistry experiment is performed to determine the effect of a nonvolatile solute on the boiling point of water. Three trials are performed in which 10 mg, 20 mg, and 30 mg of salt are added to 500 mL of distilled water. Each solution is heated on a hot plate, and the elevated boiling points are recorded.
Determine the dependent and independent variables in this question.
A. The independent variable is the amount of salt, and the dependent variable is the temperature at which the water boils.
B. The independent variable is the amount of water, and the dependent variable is the temperature at which the water boils.
C. The independent variable is the temperature at which the water boils, and the dependent variable is the amount of salt.
D. The Independent variable is the amount of salt, and the dependent variable is the amount of water.
The Correct Answer is A.In a scientific experiment, the dependent variable is the condition that is being tested and measured. The independent variable is the condition that is being changed or controlled. In this example, the amount of salt is varied, and the boiling point of water is measured. Therefore, the independent variable is the amount of salt, and the dependent variable is the temperature at which the water bolls.
Question 3:
Which of the following conclusions is supported by the data from this survey?
A. Dally screen usage in the United States decreases with age
B. Daily screen usage in the United States, increases with age.
C. In the United States, most people use screens more than 3 but less than13 hours a day
D. In the United States, people over 75 generally don't use screens.
The Correct Answer is C.The percentage of respondents that indicated average screen usage between 4-12 hours per day is (628 +650+389) ÷ 2, 307 ≈ 0.723 or 72.3% This is indeed a significant majority of the responses and would be a reasonable conclusion. The highest screen usage is in the middle two groups with both the younger and older groups indicating less screen usage, so the daily usage neither increases nor decreases with age. While the oldest group shows the least usage per day, the survey data indicates that some of the Individuals over 75 do indeed use screens.
Question 4:
Which of the following is NOT true concerning correlation?
A. Correlation can show the relationship between variables.
B. Correlation can show cause and effect.
C. Correlation can show linear relationships.
D. Correlation can show nonlinear relationships.
The Correct Answer is B.Correlations may be positive or negative and linear or nonlinear. However, correlation does not determine cause and effect. Correlation does not necessarily mean causation.
Question 5:
Which of the heart chambers is the largest?
A. Left atrium
B. Right atrium
C. Left ventricle
D. Right ventricle
The Correct Answer is C.Of the four heart chambers, the left ventricle is the largest. When it contracts, it pushes blood out to the organs and extremities of the body. The right ventricle pushes blood into the lungs. The atria, on the other hand, receive blood from the outlying parts of the body and transport it into the ventricles.
The basic process works as follows: Oxygen-poor blood fills the right atrium and is pumped into the right ventricle. from which it is pumped into the pulmonary artery and on to the lungs. In the lungs, this blood is oxygenated. The blood then reenters the heart at the left atrium, which, when full, pumps into the left ventricle. When the left ventricle is full, blood is pushed into the aorta and on to the organs and extremities of the body.
Question 6:
Which of the following is true regarding adipocytes?
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
The Correct Answer is B.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
Question 7:
Which of the below is the best definition for the term circulation?
A. The transport of oxygen and other nutrients to the tissues via the cardiovascular system
B. The force exerted by blood against a unit area of the blood vessel walls
C. The branching air passageways inside the lungs
D. The process of breathing in
The Correct Answer is A.Circulation is transporting oxygen and other nutrients to the tissues via the cardiovascular system. Choice B refers to blood pressure. Bronchi are the branching airways inside the lungs, while inhalation refers to the process of breathing in.
Question 8:
Which section of the digestive system is responsible for receiving chyme and further digesting it?
A. The large intestine
B. The duodenum
C. The jejunum
D. The gallbladder
The Correct Answer is B.The duodenum is the first section of the small intestine. It receives partially digested food (also called chyme) from the stomach, further digesting it with the help of enzymes released by the gall bladder. Then, the food enters into the jejunum, then the ileum. The large Intestine's main function is the reabsorption of water into the body to form solid waste. It also allows for the absorption of vitamin K produced by microbes living inside the large intestine.
Question 9:
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.
Question 10:
There are three Insects that are being compared under a microscope. As a scientist, you decide that measuring them would be an important part of recording their data. Which unit of measurement would best for this situation?
A. Centimeters
B. Meters
C. Micrometers
D. Kilometers
The Correct Answer is C.The best use of the International System of Units (SI) for this situation would be the use of the micrometer as it is the smallest unit of measurement provided and the scientist is using a microscope to view the insects.