What are the characteristics of an RNA molecule?
What will be an ideal response?
It consists of a single chain of nucleotide. The order of nucleotides and the interactions among them will affect the shape and the function of RNA. There are three different types of RNA and each one has its own specific function: (1 ) messenger RNA (mRNA), (2 ) transfer RNA (tRNA), and (3 ) ribosomal RNA (rRNA).
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Match the function with its appropriate description.A. Movement of molecules from digestive tract into bloodB. Chewing of foodC. Muscular contractions that propel foodD. Removal of undigested wastes from bodyE. Breakdown of organic molecules with digestive enzymesChemical digestion
Fill in the blank(s) with the appropriate word(s).
Prostate cancer usually displays several symptoms in the early stages of development.
a. true b. false
Why is the inferior region of the shoulder joint most vulnerable to dislocation?
Answer the following statements true (T) or false (F)
1. The eyes and ears are considered organs of the nervous system. 2. One of the divisions of the central nervous system is the autonomic nervous system. 3. A nerve cell and a neuron are the same thing. 4. Only myelinated fibers can have nodes of Ranvier. 5. Myelinated fibers have dendrites of the neuron surrounded by Schwann cells.