Biology Answers

Where do evolutionists derive support for their theories?

A man was diagnosed with abnormal less than normal diastolic blood pressure that affects normal blood circulation. Tests revealed hereditary problem with the aorta and other conducting arteries. Based on your knowledge, what part of these blood vessels is defective/affected? Explain in your words the normal function of the defective structure.

what is operating temperature of clean bench in laboratory?
one colony represents how many cells?
the colonies of bacteria cell can be observed by?

Every procepective of deiploblastic and triploblastic animals

Why does segmentation occur and peristalsis slow down in the small intestine?

Briefly summarize the processes of mitosis and meiosis indicating where the similarities lie and in which aspects they differ. Don't forget to mention the primary reason for each type of cell division by indicating the roles that mitosis and meiosis play in human reproduction and development.

Make a brief report of any five flu Pandemics that have occurred globally

1. Make a brief report of any five flu Pandemics that have occurred globally
[except COVID-19]
In each case state number of global (and regional cases where possible), the
year taken in each pandemic, nature of infection (how the disease spread),
death and recoveries and also the eventual solution to the disease.
(write not more than 1 page for each disease)
2. Briefly explain the epidemiological aspect (number of global cases, spread, risks
(death) demographic outlook (how it is spread human to human, and globally
and possible suggested solution. [write in less than 5 pages
3. Compare and contrast the Spanish flu and COVID-19 in the following aspects
Origin and spread of infection, regions worst affected and measures taken to
prevent further spread. [write in less than 3 pages]
NOTE: Clearly write down a list of references used any issues of plagiarism

After a person eat a meal rich carbohydrates,the digested sugars diffuse into the bloodstream and increase the level of sugar in blood.The pancreas release insulin in response to the increased blood sugar level.Insulin signals body cells and the liver to take up sugar from the blood, causing blood sugar level to decrease.When the blood sugar levels return to normal, the pancreas stop releasing insulin.Is this a positive or negative feedback mechanism

List any four tools used by a taxonomist.
Describe any two of them in details.