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Angelika Cafaro

Angelika C.

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INSTANT ANSWER

You have $450.00 each month to pay off these two credit cards. You decide to pay off the lower-interest card first. Complete the table please

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INSTANT ANSWER

You have $450.00 each month to pay off these two credit cards. You decide to pay only the interest on the lower-interest card and the remaining amount to the higher interest card. Complete the following table Questions that go along with the chart are 1. How long does it take to pay off the higher-interest card? 2. What is the amount of the last payment on the higher-interest card? Why? 3. At the end of the month that you pay off the higher-interest card, after you have started to pay down your debt on the lower-interest card, what is the balance of the lower-interest card? Why?

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Jenny Wu verified

Numerade educator

Posterior pituitary releases oxytocin Oxytocin stimulates the release of breast milk Baby suckles at breast Oxytocin is a hormone synthesized by hypothalamic neurons and released by the pituitary gland. The release of oxytocin is regulated by a feedback loop represented in the diagram. Explain why this is an example of positive feedback regulation. Predict what occurs when a baby is weaned and no longer breastfeeds.

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Jenny Wu verified

Numerade educator

Day | Antibody Specific to Glycoprotein Variant A | Antibody Specific to Glycoprotein Variant B 4 | 0 | 0 6 | 0 | 0 8 | 0.2 | 0 10 | 0.5 | 0 12 | 1 | 0 14 | 1 | 0.1 16 | 1 | 0.3 18 | 1 | 0.9 20 | 1 | 1 22 | 1 | 1 24 | 1 | 1 Data from L. J. Morrison et al., Probabilistic order in antigenic variation of Trypanosoma brucei, International Journal for Parasitology 35:961-972 (2005); and L. J. Morrison et al., Antigenic variation in the African trypanosome: molecular mechanisms and phenotypic complexity, Cellular Microbiology 1:1724-1734 (2009).

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Jenny Wu verified

Numerade educator

Day per mL of blood 4 0.1 6 0.3 8 1.2 10 0.2 12 0.2 14 0.9 16 0.6 18 0.1 20 0.7 22 1.2 24 0.2 Data from L. J. Morrison et al., Probabilistic order in antigenic variation of Trypanosoma brucei, International Journal for Parasitology 35:961-972 (2005); and L. J. Morrison et al., Antigenic variation in the African trypanosome: molecular mechanisms and phenotypic complexity, Cellular Microbiology 1:1724-1734 (2009).  2017 Pearson Education, Inc. Part B: Data from a Study of Antibody Levels Day Antibody Specific to Glycoprotein Variant A Antibody Specific to Glycoprotein Variant B 4 0 0 6 0 0 8 0.2 0 10 0.5 0 12 1 0 14 1 0.1 16 1 0.3

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Crystal Wang verified

Numerade educator

At the site of an infection or injury, histamine triggers the dilation of blood vessels and makes the blood vessels more permeable, which results in redness and increased skin temperature surrounding the site. Predict what would happen if someone experiencing allergic reaction took antihistamines, which block histamine receptors. A. Allergic symptoms would be exacerbated B. Allergic symptoms would be finished C. Allergic symptoms would become exacerbated at first and then subsequently diminish D. Allergic response would remain unchanged

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Donna Densmore verified

Numerade educator

Predict which of the following people would be LEAST likely to become sick if he came in contact with a cold virus A. A young man who gets an average of six hours of interrupted sleep every night B. An athlete within a few days of running a marathon C. A student who is rushing to finish a term paper by tomorrow’s deadline D. An active person who exercises for an average of one hour per day, 3-4 days per week

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Luke Humphrey verified

Numerade educator

Although the innate immune system is found in all animals, some invertebrate and vertebrate characteristics differ. Identify the example that is ONLY true of the vertebrate innate immune system. A. Some hemocytes can entrap or break down pathogens, whereas others produce defense molecules or antimicrobial peptides B. Barrier defenses, such as skin and exoskeletons, prevent pathogens and foreign particles from entering the animal’s body C. Toll transmembrane receptors activate the production and secretion of fungi-killing antimicrobial peptides D. Natural killer cells detect abnormal surface proteins and then release chemicals that cause cell death

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Luke Humphrey verified

Numerade educator

Because the immune system is still developing, a newborn baby has not yet been exposed to pathogens in the environment. Given the overall high prevalence of pathogens in the environment, explain why more newborns do not die from these disease-causing agents. A. The pathogens stimulate a secondary immune response B. T and B cells were relieved across the placenta during gestation C. Antibodies are received from their mothers’ milk D. Babies are born with numerous developed, long-lasting antibodies, B cells, and T cells

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INSTANT ANSWER

Adaptive immunity includes both humoral and cell-mediated immune responses, which interact but also have distinct roles in adaptive immunity. Identify the example of a strictly cell-mediated immune response A. A cytotoxic T cell destroys an infected host cell. B. A helper T cell activates a B cell C. A B cell gives rise to plasma cells, which release antibodies D. An antigen is taken in by an antigen-presenting cell.

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