Mometrix TEAS 7 science practice test

Mometrix TEAS 7 science practice test Related

Review Mometrix TEAS 7 science practice test related questions and content

What is the process by which genetic information is used to produce proteins?

  • A. Replication
  • B. Transcription
  • C. Translation
  • D. Mutation
Correct Answer: C

Rationale: A) Replication is the process by which DNA is copied to produce an identical strand of DNA. This process occurs during cell division to ensure that each daughter cell receives a complete set of genetic information.
B) Transcription is the process by which genetic information from DNA is copied into a complementary RNA molecule. This RNA molecule, known as messenger RNA (mRNA), serves as a template for protein synthesis during translation.
C) Translation is the process by which the genetic information carried by mRNA is decoded to produce a specific sequence of amino acids, which are then assembled into a protein. This process occurs at the ribosomes in the cytoplasm of the cell.
D) Mutation refers to a change in the DNA sequence that can result in alterations to the genetic information. Mutations can occur spontaneously or be induced by external factors such as radiation or chemicals. While mutations can impact protein synthesis, they are not the process by which genetic inf

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Where in the cell are proteins modified, sorted, and packaged for transport?

  • A. Ribosomes
  • B. Golgi apparatus
  • C. Endoplasmic reticulum (ER)
  • D. Lysosomes
Correct Answer: B

Rationale: The Golgi apparatus is the cellular organelle responsible for modifying, sorting, and packaging proteins for transport within the cell or for secretion outside the cell. Ribosomes are not involved in modifying, sorting, or packaging proteins; they are responsible for protein synthesis. The endoplasmic reticulum (ER) is primarily involved in protein synthesis and folding, rather than modification and packaging for transport. Lysosomes function in breaking down cellular waste rather than modifying, sorting, or packaging proteins for transport.

What type of energy does an object in motion possess?

  • A. Potential energy
  • B. Kinetic energy
  • C. Thermal energy
  • D. Chemical energy
Correct Answer: B

Rationale: The correct answer is B. Kinetic energy is the energy possessed by an object in motion. When an object is in motion, it has the ability to do work due to its motion, which is known as kinetic energy. Potential energy, choice A, refers to stored energy that has the potential to do work but is not related to motion. Thermal energy, choice C, is related to the temperature of an object, not its motion. Chemical energy, choice D, is energy stored in the bonds of chemical compounds and is not directly related to an object's motion.

Which property of matter remains constant regardless of changes in gravity?

  • A. Mass
  • B. Weight
  • C. Volume
  • D. Density
Correct Answer: A

Rationale: Mass is a measure of the amount of matter in an object and remains constant regardless of changes in gravity. Weight, on the other hand, is the force of gravity acting on an object and can vary depending on the strength of gravity. Volume is the amount of space an object occupies, and density is the mass per unit volume of a substance, both of which can change with changes in gravity. Therefore, mass is the property that remains the same regardless of variations in gravitational force. Choice B, Weight, changes with gravity as it is a force dependent on gravity. Choices C and D, Volume and Density, can be affected by changes in gravity as they are related to the space an object occupies and the mass per unit volume, respectively.

Which epithelial tissue type is the outermost layer of your skin an example of?

  • A. Simple cuboidal
  • B. Stratified squamous
  • C. Simple columnar
  • D. Stratified columnar
Correct Answer: B

Rationale: The outermost layer of the skin, known as the epidermis, is composed of stratified squamous epithelial tissue. This type of tissue is well-suited for protection against mechanical stress and dehydration, making it ideal for the skin's barrier function. Simple cuboidal (Choice A) epithelial tissue is found in areas where secretion and absorption occur, such as kidney tubules. Simple columnar (Choice C) epithelial tissue lines the digestive tract, providing a large surface area for absorption. Stratified columnar (Choice D) epithelial tissue is less common and is found in limited regions like parts of the male urethra and ducts of some glands, but not in the outermost layer of the skin.

A population refers to a group of organisms of the same:

  • A. Species living in the same area
  • B. Genus competing for resources
  • C. Kingdom inhabiting a specific biome
  • D. Phylum found throughout the world
Correct Answer: A

Rationale: A population is defined as a group of organisms of the same species living in the same area and interacting with one another. Option A correctly describes this definition by specifying that the organisms are of the same species and share a common geographical location. Options B, C, and D are incorrect because they do not accurately define a population in biological terms. In this context, a population specifically refers to a group of organisms belonging to the same species, not higher taxonomic ranks like genus, kingdom, or phylum.

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