Viruses<span> are much, much smaller than </span>prokaryotes<span>. </span>Prokaryotic<span> and </span>Eukaryotic cells<span>are both alive, while </span>viruses<span> are not. </span>Viruses<span> have very few organelles, similar to the</span>prokaryotic cells<span>. They contain a plasma membrane, </span>cell<span> wall, RNA or DNA, and a protein capsule.</span>
Plants need this waxy outer coating, also known as a cuticle, for a
variety of reasons. The cuticle keeps the important things the plant
needs in, such as water and carbon dioxide, and the things the plant
doesn't need, such as too much heat, out. It performs a few different
functions, including protecting the important cells needed for
photosynthesis.
Answer:
Unicellular
Explanation:
Some organisms are microscopic and consist of only 1 cell
Answer:
a. vitamin d and vitamin b12
Explanation:
Vitamins are groups of organic compounds that are essential in small quantities for healthy human growth, metabolism, development, and body function. Vitamins are found in plants and animal foods or sometimes produced synthetically. Deficiencies of specific vitamins produce specific disorders. Vitamin d and vitamin b12 are important vitamins that the body needs. The body produces vitamin D when the skin is exposed to sunlight and it is very essential for strong bones, while vitamin b12 is naturally present in meats. Deficiency of vitamin d in the body can result in bone problems (including teeth) and it has also been linked to depression. Vitamin b12 deficiency can also affect mental functions by causing disorientation, memory loss, depression and confusion.
From the question, the elderly woman may be developing a deficiency of vitamin d and vitamin b12.
