A child presents with bone deficiency and a bowlegged appearance. This assessment data supports a diagnosis of:
a) Rickets
b) Osteoporosis
c) Osteomalacia
d) Paget disease
Answer:
a) Rickets
Explanation:
Rickets occurs at the early stage of childhood due to inadequate vitamin D.
Vitamin D provides the body with higher absorption rate of calcium and phosphorus, inadequate intake of Vitamin D results into low calcium and phosphorus levels in the bones, as a result, rickets sets in.
Rickets is a disarrangement of impaired mineralization of cartilaginous growth plates in children. It can also result from lack of exposure to sunlight.
Answer: DNA condenses into chromosomes.
Explanation: Chromatin carefully packs these DNA molecules into stringy-looking structures called chromosomes. If the DNA molecules in cells were not snaked around histones, the molecules would be 6 feet long when placed end-to-end, according to the National Human Genome Research Institute.
The best answer is D.
Genetic information for synthesis of a protein is transmitted from DNA to the ribosomes, which are the site for protein synthesis. This is facilitated by messenger RNA or mRNA in short.
In the nucleus of the cell, information from DNA is copied (transcribed) onto mRNA which leaves the nucleus and enters the cytoplasm where it attaches to the ribosome. The information on the attached mRNA is decoded and read ( translated) by transfer RNA (tRNA) which then brings corresponding amino acids to the ribosome to be linked together to form the protein.
Answer:
One hint is that, if a message is being sent, the "sender" is probably the nervous systems. There are several subsystems to the nervous system, but it regulates and controls virtually all bodily functions. The nervous system monitors your body's temperature, and takes actions to regulate it, such as telling your muscular system to shiver to generate more heat. It sends this message to the muscular system because your muscles cause bodily movement, such as walking, lifting weights, and even shivering.
When your nervous system determines that your body temperature has returned to normal, it again sends a message to your muscular system to stop shivering.
Answer:
both breaking of nuclear bonds and the forming of nuclear bond will be the correct answer
