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Nkeiruka Uche
Physiology study stack
| Question | Answer |
|---|---|
| Which of the following intercellular parasites consist of DNA or RNA surrounded by a protein coat and sometimes lipoprotein a. Protozoa b. Viruses c Bacteria d. Fungi | Viruses |
| A protein substance with no DNA or RNA and are believed to cause mad cow disease is called what | Prion |
| Which of the following is not one of the basic components in a feedback control loop. a. Sensor b. Transmitters c. Integrating center d. Effector mechanism | Integrating center |
| True or False. The lipid often referred to as a tissue hormone is Protaglandins | True |
| True or False. In base pairing of DNA molecules cytosine is bound to guanine | True |
| What is any large molecule made up of many small molecules called . a. Glycogen . b. Isomer c. Polymer d. Glyceride | Polymer |
| Which of the following is not true of both Triglycerides and phosphate group a. They both have hydrophobic and hydrophilic group. b. They both have glycerol . c. They both have fatty acid d. All of the above | They both have hydrophobic and hydrophilic group |
| True or False. A triglyceride is composed of a glycerol molecule and three of the same type of fatty acid | False |
| Proteins play which two roles. a . Structural and chemical b. chemical and functional c. dehydration synthesis and hydrolysis d.structural and functional | Structural and functional |
| What are the basic building blocks of fats . | Fatty acid and glycerol |
| The component that distinguishes one nucleotide from another is a. Hydrogen bond b. Nitrogen base c. Five carbon sugar d. Phosphate group | Nitrogen base |
| True or False. The cell process in which microorganisms and other large particles are engulfed is called a .Phagocytosis c. Endocytosis .c. Secretion d. Pinocytosis | Phagocytosis |
| What is a sequence of three pair form in DNA molecule called | Codon |
| A molecule that alters enzyme function by changing its shape is called a. Proenzyme b. Substrate c. Allosteric effector . d. End product inhibiter | Allosteric effector |
| Transcription is described as a. Reading of tRNA b. Synthesis of polypeptides c .synthesis of tRNA d. synthesis of mRNA | Synthesis of mRNA |
| True or False . Tumor is synonymous with neoplasm | True |
| What does excessive weight training of muscles cause | Hypertrophy |
| If a sequence of nitrogen bases in nuclei acid were A-U-C--G-A, which of the following would be true a. It contains ribose sugar b .It contains deoxyribose sugar. c . It is found only in nucleus d . All of the above | It contains Ribose sugar |
| Which of the following epithelial function is a primary activity of Gradular. a. Excretion b. Protection c . Sensation .d. Secretion | Secretion |
| Which tissue is most likely to form a keloid scar tissue a. Epithelial b. connective c. muscle d. Nervous | Connective |
| The external portion of the bone is known as a. Diaphysis b. Osteons c. Spongy bone d . Cortical base | Cortical base |
| Why is cartilage slow to heal a. It naturally turns into a bone b. It is semi solid and flexible c. It has no or limited blood supply d. Both b & c | Both b & c |
| In bone formation, the cell that produce the organic matrix are the a. Osteons b. osteoblasts c . chondrocytes d. osteoclast | Osteoblasts |
| Normally bone loss will begin to exceed bone gain between the ages of what a. 30- 45 b. 20 -25 c. 25-30 d. 35 - 40 | 35-40 |
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Nkeiruka Uche
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