Concentration in cell - Study guides, Class notes & Summaries

What is a hormone and how does it act? - ANSWER-Hormones are chemical messengers that are responsible for regulation. They are secreted into body fluids, mainly blood. It has specific actions on target tissues, which are any tissue that has specific receptors for that particular hormone. What is a paracrine gland? - ANSWER-a secretion that enters interstitial fluid but affects only neighboring cells What is an autocrine gland? - ANSWER-A secretion that only affects the secreting cell. W...

NUR 155 Foundations of Nursing - Galen College of Nursing Exam 4 Question: Define drug tolerance Answer: A unusually low physiological response to a drug and requires increases in the dosage to maintain a given therapeutic effect. Question: Define drug half-life Answer: the time required for the amount of drugs in the body to decrease by 50% of what it was at initial administration. Question: What are the key terms related to drug actions? What do these mean? Pharma...

Who regulates pituitary gland secretion? correct answer: Releasing hormones from the hypothalamus What is a hormone and how does it act? correct answer: Hormones are chemical messengers that are responsible for regulation. They are secreted into body fluids, mainly blood. It has specific actions on target tissues, which are any tissue that has specific receptors for that particular hormone. Compare and contrast glucagon and insulin correct answer: Glucagon stimulates the liver to break ...

AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/1H Biology Paper 1H Question Paper + Mark scheme [MERGED] June 2022 *junb1h01* IB/M/Jun22/E14 8464/B/1H For Examiner’s Use Question Mark 1 2 3 4 5 6 TOTAL Time allowed: 1 hour 15 minutes Materials For this paper you must have: • a ruler • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • Answer all...

Which organelles are involved in nuclear division correct answers centrioles What's the main constituent of a cell membrane by surface area correct answers phospholipids A cell membrane allowing some materials to pass through freely whilst preventing others correct answers selectively permeable. What's the correct definition of osmosis correct answers movement of water molecules from a low solute concentration to a high solute concentration through a selectively permeable membrane. ...

Bio 103 exam 2 McMullen Questions and Answers Rated A+ **What fundamental principles does cell theory encompass?** Cell theory asserts that ** all living organisms are made up of cells, which serve as the fundamental units of structure and function, and that cells arise from pre-existing cells**. **Describe the characteristics of a eukaryotic cell.** A eukaryotic cell is ** defined by the presence of a nucleus and various membrane- bound organelles**. Eukaryotes can exist as ** u...

BLG1501 Assignment 2 Semester 1 2024 (Solutions) Question 1 Not yet answered Marked out of 2.00 Flag question Question text Hydrolysis is reaction which occurs when Select one: a. a bond of a polymer is broken down through the addition of water molecule. b. two molecules are covalently bonded to each other through the loss of water. c. a double bond is formed between two atoms. d. a triple bond is formed between two atoms. Clear my choice Question 2 Not yet answered Marked o...

Mark Scheme (Results) Summer 2023 Pearson Edexcel GCE In Biology B (9BI0) Paper 01: Advanced Biochemistry, Microbiology, and Genetics Edexcel and BTEC Qualifications Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding body. We provide a wide range of qualifications including academic, vocational, occupational and specific programmes for employers. For further information visit our qualifications websites at or . Alternatively, you can get in touch with ...

Hair follicle - Which of the following is not parental route? Coagulation - Which of the following is NOT a component of invasiveness? All of the above (capsule, cell wall, hyaluronidase) - Which of the following components are part of invasiveness? Exotoxins - __________ are very specific Lipopolysaccharides - Which of the following are endotoxins? They are killed at a constant rate - What is the rate of Microbial death a manual in vitro diagnostic device used by laboratories to determin...

BSC 1010 Exam 2 Review Questions with Correct Answers 100% Verified 2024 Which organelle carries out protein synthesis? a. ribosome b. nucleus c. mitochondria d. smooth ER - Correct Answer a. ribosome Which is not part of the endomembrane system? a. mitochondria b. Golgi apparatus c. plasma membrane d. nuclear envelope - Correct Answer a. mitochondria Which is not a major function of membrane potential? a. transport b. signal transduction c. protein synthesis d. intercellular ...