ATI TEAS 7
Anatomy
1. Which type of carbohydrate is the main component of the cell wall in plant cells?
- A. Starch
- B. Glucose
- C. Cellulose
- D. Chitin
Correct answer: C
Rationale: The correct answer is C: Cellulose. Cellulose is a structural polysaccharide and the main component of the cell wall in plant cells. Starch, option A, is a storage polysaccharide found in plants, while glucose, option B, is a simple sugar and a basic unit of carbohydrates, not the main component of plant cell walls. Chitin, option D, is a structural polysaccharide found in the exoskeletons of arthropods and fungal cell walls, not in plant cell walls. Understanding the unique composition of plant cell walls helps in differentiating the types of carbohydrates present in various cellular structures.
2. The term "unconditional" in the context of UBI signifies that
- A. The amount received would be based on individual income and living expenses.
- B. Recipients would be required to meet certain criteria to qualify for the program.
- C. The money would be provided without any restrictions on how it is spent.
- D. The program would be temporary and subject to periodic review and renewal.
Correct answer: C
Rationale: The unconditional aspect of UBI refers to the lack of strings attached to its receipt, aligning with C.
3. How does kinetic energy change when the velocity of an object is doubled?
- A. Kinetic energy is halved
- B. Kinetic energy quadruples
- C. Kinetic energy doubles
- D. Kinetic energy remains the same
Correct answer: b
Rationale: Kinetic energy is directly proportional to the square of the velocity of an object.
4. A pizza has a diameter of 40cm. What is its perimeter (circumference)?
- A. 62.8cm
- B. 125.5cm
- C. 125.6cm
- D. 251.2cm
Correct answer: C
Rationale: Multiply the diameter by π: perimeter = π * diameter = π * 40cm ≈ 125.6cm (Note: π ≈ 3.14)
5. What is the end result of mitosis in animal cells?
- A. The production of two identical daughter cells
- B. The production of four haploid cells
- C. The production of a single diploid cell
- D. The production of a single haploid cell
Correct answer: A
Rationale: Rationale: Mitosis is a type of cell division that results in the production of two identical daughter cells, each having the same number of chromosomes as the parent cell. This process is essential for growth, repair, and maintenance of multicellular organisms. During mitosis, the replicated chromosomes are separated into two nuclei, and the cell then divides to form two genetically identical daughter cells. Options B, C, and D are incorrect because mitosis does not result in the production of four haploid cells, a single diploid cell, or a single haploid cell.
6. Which of the following is NOT a type of asexual reproduction in bacteria?
- A. Binary fission
- B. Conjugation
- C. Budding
- D. Transduction
Correct answer: D
Rationale: Rationale: A) Binary fission: This is a common method of asexual reproduction in bacteria where a single cell divides into two identical daughter cells. B) Conjugation: This is a process in which genetic material is transferred between bacterial cells through direct cell-to-cell contact, leading to genetic recombination. C) Budding: Budding is a form of asexual reproduction where a new organism develops from an outgrowth or bud on the parent organism. D) Transduction: Transduction is a method of horizontal gene transfer in bacteria where genetic material is transferred from one bacterium to another by a bacteriophage (a virus that infects bacteria). It is not a form of asexual reproduction in bacteria. Therefore, the correct answer is D) Transduction, as it is not a type of asexual reproduction in bacteria but a mechanism of genetic exchange.
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