What is a carrier protein - Study guides, Class notes & Summaries

AQA A LEVEL BIOLOGY Paper 1 2024 What is the function of the cell membrane? - ANS To control what enters and leaves the cell, acts as a barrier between the cell and its environment. What structural feature of the cell membrane allows substances to enter/leave? - ANS Partially permeable What is the fluid mosaic model? - ANS States that a membrane is a fluid structure (because phospholipids are constantly moving) with a "mosaic" of various proteins embedded in it Describe t...

Test Bank for Clinical Immunology and Serology a Laboratory Perspective 4th Edition By Christine Dorresteyn Stevens Linda E. miller Chapter 1-24 Latest Guide 2023-2024. Which of the following is a characteristic of natural killer cells? A. They mature in the thymus. B. They are smaller than B and T cells. C. They are a type of lymphocyte. D. They are part of the adaptive immune system. ANS: C 5. Which of the following best describes diapedesis? A. Movement toward increasing concentrations...

PHYS 261 FINAL EXAM QUESTIONS AND ANSWERS 2023 REVIEW - Complete. An allosteric modulator binds to A) the active site. B) the product. C) a region of the enzyme other than the active site. D) the surrounding tissue. E) the substrate. 10) Permeability is a property of A) solutes. B) solvents. C) ions. D) membranes. E) proteins. 11) What are the two extracellular fluid compartments in the body? A) plasma and the fluid portion of the blood B) intracellular and plasma C) plasma and in...

WCU - PHYS 261 FINAL EXAM LATEST ANSWERS 2022. ) Nucleic acids are polymers of units called A) ribose. B) bases. C) fatty acids. D) amino acids. E) nucleotides. 6) Cell membranes are said to be A) actively permeable. B) impermeable. C) freely permeable. D) selectively permeable. E) none of the above 7) In humans, only __________ cells have flagella. A) sperm B) intestine lining C) stomach lining D) respiratory tract lining E) two of the above 8) The addition of a phosphate grou...

Complete Test Bank The Human Body in Health and Illness 7th Edition by Barbara Herlihy Chapter 01: Introduction to the Human Body Herlihy: The Human Body in Health and Illness, 7th Edition MULTIPLE CHOICE 1. What is the branch of science that studies how the body functions? a. Anatomy b. Histology c. Pathology d. Physiology ANS: D 2. Which word comes from the Greek word meaning “to dissect”? a. Anatomy b. Histology c. Pathology d. Physiology ANS: A 3. Which of the follow...

NBME CBSE ACTUAL TEST QUESTIONS AND ANSWERS 2024(COMPLETE) (Quiz bank with all the correct answers) (USMLE step 1)Medical examination NBME CBSE ACTUAL TEST 2024 62 year old woman - osteoporosis – a bisphosphonate is prescribed. The expected beneficial effect of the drug is due to which of the following? Decreased Osteoclast Activity Cohot Study of elderly women – relative risk ratio for hip fractures among those who exercise regularly is 1.2 (95% confidence interval of 1.1 to ...

m   1. Which of the following is the mRNA start codon in most cases? A. UAA B. AGU C. AUG D. UGA 2. Which of the types of RNA is the smallest? A. mRNA B. tRNA C. rRNA D. 3. Which of the following is not considered a pyrimidine? A. C B. T C. U D. G 4. Which of the following is paired correctly? A. A-G B. C-G C. A-U D. G-T 5. Which of the following characterizes a Western blot? A. Antibody/protein hybridization B. DNA/RNA combination C. RNA ...

The nurse is caring for a 57-year-old woman who is complaining about gaining so much weight after menopause and suggests that thyroid hormone replacement would help her lose weight and speed up her metabolism. What is the nurses best response? A) Inducing a state of hyperthyroidism would result in weight loss. B) People who are not hypothyroid should not take thyroid hormones. C) People who take thyroid hormones without cause will end up damaging their heart. D) The body compensates for th...

Test Bank Gould's Pathophysiology for the Health Professions 6th Edition HUBERT TEST BANK Table of Contents Chapter 01: Introduction to Pathophysiology Test Bank 1 Chapter 02: Fluid, Electrolyte, and Acid-Base Imbalances Test Bank 9 Chapter 03: Introduction to Basic Pharmacology and Other Common Therapies Test Bank 18 Chapter 04: Pain Test Bank 21 Chapter 05: Inflammation and Healing Test Bank 25 Chapter 06: Infection Test Bank 36 Chapter 07: Immunity Test Bank 44 Chapter 08: Skin Disorders Test...

Driver 6 weeks post-MI, has cardio cleared to return to work without restrictions. ETT 12 METs, echo EF 65%. Examiner should: - ANSWER-temporarily disqualify driver until driver meets waiting period of 2 months driver is distant, lacks eye contact and shows absolutely no emotional response during the exam. The examiner's best response should be: - ANSWER-disqualify and refer to SAP prior to consideration (flat affect seen in severe depression and schizophrenia) A driver has a blood pressu...