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Use this description to answer the following questions. Glucagon synthesis and secretion into the blood vessels by the alpha cells of the pancreas is dependent on the norepinephrine hormone. In normal situations, glucagon is released when the blood glucose levels goes down. If in the diseased stated the receptor for norepinephrine hormone is abnormal then which of the following statements are correct (select all that are correct): Explain whether the hormone can bind to the receptor or not.   b. Explain whether glucagon can be produced or not.               c. Explain whether glucagon can be secreted or not.               d. Explain whether the blood glucose levels would decrease or increase in this situation.

Which of the following is a characteristic feature of a carrier protein in a plasma membrane? 

In this figure of cell membrane taken from the internet, determine the structure which would assist in the diffusion of substances from its  high concentration area to its low concentration area.

Hydrophilic signals have intracellular receptors and they are involved in the transcriptional regulation within the target cell.

In some of the breast cancers, HER 2 is overexpressed. HER 2 is an example of ___________________________ receptors.

Motor proteins provide for transport of substance inside the cells by interacting with what types of cellular structures?

The liver is involved in the detoxification of many poisons and drugs. Which of the following structures is primarily involved in this process and therefore abundant in liver cells? 

Which of the following is a reasonable explanation for why unsaturated fatty acids help keep any membrane more fluid at lower temperatures? 

The main advantage of an annular array over a standard curvilinear array is:

In dynamic scanning, rectangular image field is produced by: