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Which of the following illustrates a negative feedback mechanism that occurs in the human body? a)the release of insulin from the pancreas in response to an increase in blood sugar levels b) the release of glucagon from the pancreas in response to an increase in blood- sugar levels c) the rele...

Nucleus - Answer- a part of the cell containing DNA and RNA and responsible for growth and reproduction. DNA - Answer- a long linear polymer, in nucleus, formed from nucleotides and shaped like a double helix, contains info that determines inherited characteristics RNA - Answer- a long linear ...

The first four steps of the scientific method are as follows: I. Identify the problem II. Ask Questions III. Develop a hypothesis IV. Collect data and experiment on that data Which of the following is the next step in the scientific method? A. Observe the data B. Analyze the results C. Mea...

Bronchial epithelial cell membranes possess which of the following? A. microvilli B. cilia C. flagella D. dendrites - Answer- B. Cilia Emulsification of fats requires ___ and occurs in the ___. A. amylase; stomach B. bile; stomach C. amylase; small intestine D. bile; small intestine - Ans...

Which of the following is not a function of the circulatory system? A. Pumping blood throughout the body to provide tissues and organs with nutrients and oxygen. B. Removing toxins and waste from the blood. C. Transmitting nerve impulses between the brain and the rest of the body. D. Transportin...

Inflammation, production of interferon, and ingestion of pathogens by phagocytes are nonspecific cellular responses by which of the following? A.) The internal aspect of adaptive immune system B.)Antibody-mediated immunity C.) The internal aspect of the innate immune system D.) Passive Immunit...

The shortening of a sarcomere in skeletal muscle is directly due to the interactional of which of the following ? - Answer- o Myosin and actin Which of the following parts of the central nervous system releases chemicals that regulate the pituitary gland ? - Answer- o Hypothalamus Which of the...

1. Which of the following structures in the male reproductive system secretes a fluid that nourishes and protects sperm? A) Urethra B) Prostate gland C) Vas deferens D) Epididymis - Answer- B) Prostate gland 2. Which of the following parts of the central nervous system releases chemicals th...

which of the following pairs correctly matches a cellular organelle with its function? A. golgi apparatus- protein synthesis B. smooth endoplasmic reticulum- energy C. Cytoskeleton- movement D. cell membrane- storage - Answer- cytoskeleton- movement which of the following describes an anatomi...

Which of the following correctly describes the law of segregation? A) It states that the segregation of the dominant trait in the phenotype happens in the hybrid offspring. B) It states that all the genetic factors are present in the DNA. C)It states that allele pairs segregate during gametogen...

Which blood group is a universal donor? a. A b. B c. AB d. O - Answer- d. O Blood oxygen levels are most likely low when blood a. leaves the aorta b. fills the right atrium c. reaches body tissues d. flows through ateries - Answer- b. fills the right atrium with An intracellular ch...