Q. Ribosomes transcribe mRNA into

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Q. Which of following molecules help in long-distance signaling in plants and animals?

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Q. Which of following hormone regulates sugar levels in humans?

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Q. What is aggregation of bacteria called that is adhered to surface?

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Q. Regulators in animals that stimulate cells to grow and divide are called

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Q. Which of following hormones is a gas?

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Q. Which of following is coded by genes in DNA?

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Q. The a, b, and c respectively in the following image are _________________________

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Q. How many types of cell signaling are there?

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Q. In which type of signaling, the cell that expresses messenger molecules also produces receptors?

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Q. Cell signaling is a process by which cells communicate.

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Q. Paracrine messenger molecules are usually ________________

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Q. Endocrine messengers are also called ___________________

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Q. The primary messenger molecules bind to the transmembrane receptors.

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Q. Protein kinases and phosphatases act by altering ______________ of the signaling proteins.

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Q. To which of the following residues of the protein, the protein kinases do not add phosphate groups?

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Q. The process by which extracellular messages translate into intracellular changes is termed _________________

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Q. Steroids are derived from ________________

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Q. Which messenger molecules are derived from arachidonic acid?

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Q. G-protein coupled receptors contain ________ transmembrane alpha helices.

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