1. Why are competent cells so fragile that they need to be handled carefully?
During specific immunity competent T-cells are activated by Question 24 options: a) complements b) interleukin-1 c) histamine d) antibodies e) plasma cells
4. Why is defining “death” so important? Do competent adults have the right to refuse life- sustaining treatment? What about mature minors or vulnerable adults? See Council on Ethical and Judicial Affairs, American Medical Association’s “Withholding and Withdrawing Life-Sustaining Treatment
1. Why small firms need to manage working capital carefully? Explain it with an example. 2. What are different types of risk that a small business may encounter? How a business owner's policy can help owners to manage risk in the firm?
1. Why do cancer cells spread throughout the body? Select all that apply (Think: how are cancer cells different than normal cells?) __________ a. They enrich nutrients at the original site b. They have loose adherence c. They travel through blood vessels d. They do not respond to contact inhibition e. They are fragile and damage easily f. They readily respond to signals for apoptosis 2. Benign cells have which characteristics? Select all that...
Based on what you know about Fragile X syndrome so far, which of the following statements are true of a female who has one premutation allele of FMR1? (select two answers) 1. She may have affected children, but only if her partner also has a premutation allele. 2.She will not be affected if her other copy of FMR1 has a shorter repeat length. 3.She may or may not be affected with some of the phenotypes of Fragile X. 4. She...
1. Why do cancer cells rely so much on metabolism of glucose ? A. Because cancer cells grow in an anaerobic environment. B. Because cancer cells display increased oxidative phosphorylation. C. To regenerate NADH. D. To synthesize small molecule building blocks and membranes required for cell growth. E. Because cancer cells have decreased protein synthesis. 2. In general, which of the following sequential barriers to metastasis is the easiest to overcome for cancer cells ? A. Vessel entry through acquisition...
Cells carefully regulate the acidity (pH) within the lumen of several types of organelles by actively pumping H+ ions into their lumen. (5 points) - What is the contribution of this low pH environment to the process of receptor trafficking during endocytosis? - What are the two reasons why cells keep the interior of the lysosome acidic?
In three paragraph please explain this question. Why are proteins on the surface of cells so important? What roles do these proteins play?
All of your cells (except rbcs and platelets) have the same genotype, so why are they different?
why iis so difficult to stop a drug that will stop cell division only tumor cells?