what is the process of cell division that results in two daughter cells with identical genetic material
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HESI A2

HESI A2 Biology Practice Test 2024

1. What is the process of cell division that results in two daughter cells with identical genetic material?

Correct answer: A

Rationale: The correct answer is A, Mitosis. Mitosis is the process of cell division in which a cell divides and produces two daughter cells that are genetically identical to the parent cell. Choice B, Meiosis, is a type of cell division that produces gametes with half the number of chromosomes. Choice C, Binary Fission, is a form of asexual reproduction in single-celled organisms. Choice D, Budding, is a form of asexual reproduction where a new organism develops from an outgrowth or bud on the parent.

2. Enzymes are typically _ _.

Correct answer: B

Rationale: Enzymes are typically proteins that act as biological catalysts, speeding up chemical reactions in living organisms. While most enzymes are made of proteins, a few exceptions, known as ribozymes, are made of RNA. Proteins are composed of amino acids arranged in specific sequences that give enzymes their unique shape and functionality. Choice A, 'Fats,' is incorrect as enzymes are not typically composed of fats. Choice C, 'Sugars,' is incorrect as enzymes are not typically composed of sugars. Choice D, 'Neurons,' is incorrect as neurons are a type of cell in the nervous system, not typically associated with enzymes.

3. What is DNA made of?

Correct answer: B

Rationale: DNA is made up of nucleotides, which are the building blocks of genetic material. Choice A (Proteins) is incorrect because while proteins play a crucial role in the body, they are not the building blocks of DNA. Choice C (Lipids) and Choice D (Carbohydrates) are also incorrect as they are not the primary components of DNA.

4. How does yeast reproduce?

Correct answer: C

Rationale: Yeast typically reproduces through a process called budding. During budding, a small outgrowth forms on the parent yeast cell, gradually enlarging in size until it separates to become a new, genetically identical daughter cell. This method of reproduction allows yeast to rapidly multiply and grow in favorable conditions. It is different from binary fission, spore formation, and cloning. Binary fission involves the division of a single organism into two genetically identical organisms. Spore formation is a method seen in certain fungi where specialized cells develop into spores for reproduction. Cloning involves producing genetically identical copies of an organism. Therefore, budding is the correct answer for how yeast reproduces.

5. Which of the following is not true about antibiotics?

Correct answer: C

Rationale: The correct answer is C. Antibiotics do not cause more bacteria to grow. They work by interfering with the bacteria's ability to survive, affecting how they multiply, or killing the bacteria cells. Antibiotics specifically target bacteria, so they do not promote the growth of more bacteria. Choices A, B, and D are true statements about antibiotics as they accurately describe how antibiotics work and their specific action on bacteria.

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