A white blood cell engulfing a bacterium is an example of blood functioning in protection.
<h3>What is a white blood cell?</h3>
White blood cells or better called leukocytes are blood cells produced in the bone marrow that belong to the immune system which are responsible for the <u>protection </u><u>and</u> <u>combat of infections and diseases</u>.
There are different types of white blood cells, among these are: <em>neutrophils, eosinophils, basophils, monocytes and lymphocytes</em>.
Usually the blood count of these leukocytes is used to detect situations such as infections, allergies, inflammation or leukemia.
Therefore, we can confirm that a white blood cell engulfing a bacterium is an example of blood functioning in protection.
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Answer:
d. Fungi have cell walls made of cellulose.
Explanation:
The cell wall is an extracellular envelope present in all vegetables and some bacteria, fungi and protozoa. Its composition varies according to the habit of each organism before the evolutionary and adaptive processes. This structure precludes morphological changes of organisms, due to its semi-rigid character, that is, cells cannot change shape as a result of spatial impediment limited by the rigidity of the cell wall.
In plants, the cell wall is basically composed of the cellulose polysaccharide, which forms the cellulosic wall. In most fungi, the wall is formed by chitin. Therefore we can state that the statement that does not describe a way in which fungi differ from plants, among the options given is "the fungi have cell walls made of cellulose."
Answer:
Cell division
Explanation:
Cells division leads to two daughter with the same genetic material as their "mother" cell.
The correct answer is Broca's area. This is because Broca's area is the part in the cerebral cortex, specifically in the temporal lobe (not in the frontal lobe), and is responsible for producing language. Damage in the Broca's area will render the patient unable to speak words correctly and this is called expressive aphasia. The Wenicke's area on the other hand is also located in the temporal lobe and is responsible for interpreting language. Damage in the Wernicke's area will make all words to the patient non-understandable even when he can hear the words correctly and this is called receptive aphasia. Occam's area and Morton's area are not parts of the brain and does not exist.
Nice to know: There is a nerve tract that connects Broca's area to Wernicke's area called the arcuate fasciculus. Damage to the arcuate fasciculus will render the patient unable to repeat words.
