STRAIGHTERLINE – A&P 1 MIDTERM EXAM LATEST UPDATE 2024 QUESTIONS AND CORRECT ANSWERS

STRAIGHTERLINE – A&P 1 MIDTERM EXAM LATEST UPDATE 2024 QUESTIONS AND CORRECT ANSWERS The function of the Golgi apparatus is packaging and distribution of proteins and lipids The sodium-potassium pump located in the plasma membrane actively transports potassium into cells What genetic disorder is caused by having three chromosomes 21? Down syndrome A coiled fibrous protein in connective tissue that is stretchy is called elastin Which of the following statements concerning collagen is false? collagen is elastic and stretches Unlike an exocrine gland, an endocrine gland has no ducts What type of epithelial tissue is found in the mouth? stratified squamous epithelium What is formed from granulation tissue? scar Which of the following is correctly matched? axons - conduct action potentials away from the cell body A mutation involving a single nucleotide is a _____ mutation. point What genetic disorder is characterized by lack of skin, hair, eye coloration? albinism The anticodon sequence GUA pairs with which of the following codons? CAU Messenger RNA is synthesized when a portion of a DNA molecule is transcribed Which of the following events occurs during anaphase? chromosomes migrate to opposite poles of the cell In DNA replication, the leading strand is formed as a continuous strand Which of the following is NOT posttranslational processing? removal of introns from pre-mRNA The parietal peritoneum is serous membrane that lines the abdominal and pelvic cavities A molecular biologist discovers that if a specific drug effectively treats obesity in mice, what can researchers conclude? the drug is effective in the mouse model; it must still be tested in humans The sternal region is commonly known as the breastbone Which of the following systems carries necessary compounds like oxygen and nutrients throughout the body? cardiovascular Which of the following is NOT a component of a negative feedback mechanism? stabilizer Proximal means closer than another structure to the point of attachment to the trunk An increase in the number of cells is growth Platelets adhere to a damaged blood vessel → Platelets secrete various substances → Platelets adhere to a damaged blood vessel This is an example of _____ feedback. positive In an oxidation-reduction reaction, ______ are transferred between molecules electrons Enzymes are proteins that increase the rate of chemical reactions by decreasing the activation energy of the reaction