Testosterone is an example of a steroid. Its physiological functions include:
1. Determines the the gender of a developing embryo.
2. Development of reproductive organs and the prostrate gland in males.
3. Responsible for secondary sexual characteristics in males such as deeper pitch, increased muscle bulk, hair on the upper lip.
4. Regulates normal sperm development.
Another steroid is cholesterol. Physiological functions include:
1. Helps maintain the structure of cells and vessels improving overall health and function in the body.
2. Precursor to important sex hormones such as testosterone and estrogen.
3. Used as an insulator around nerves and is absolutely essential for brain function.
4. Precursor to Vitamin D, which supports a healthy immune and nervous system
Answer:
Correct answer in blank 1. Insulin.Correct answer in blank 2. Glucagon.Explanation:Insulin is hormone released by pancreas which lowers the sugar level in blood by changing sugar to other forms.Glucagon is a hormone released by pancreas which increase the sugar level in blood.As Lisa eats banana blood sugar increase signaling increase of insulin.After few hours blood sugar decrease due to insulin, signals glucagon production to increase glucose level.
The different types of plant tissues are:
1. Meristematic tissues - It is of three types: Apical, Lateral and lntercalary.
2. Permanent Tissue - It of two types: Simple and Complex tissues. Simple tissues are of three types Parenchyma, Collenchyma and Sclerenchyma.
Complex tissues are of two types - Xylem and Phloem.
Answer:
M.Leakey was a paleoanthropologist of no formal university education and British origin. Her major discoveries were;
1. the proconsul skull
2. Zinjanthropus skull at Olduvai Gorge In Tanzania
3, system of classification of discovered stones.
4.Laetoli footprints at Laetoli sites.
However, her most outstanding discoveries were proconsul skull ( projecting face with no browridges, and presence of ape-like teeth shapes) and the Laetoli prints. She believed the skull belonged to ancestral Homo habilis, which could be traced to origin of mankind.
The discovery of Laetoli prints showed evidences of bipedalism and the origin of Australopithecus. These prints and the skeletons she unearthed proved that the ancestral of human race actually walked upright, nearly four feet tall in height.Hence she concluded that these prints actually belong to the Australopithecus. This brought a paradigm shift in modern understanding of human evolution of prehistoric times and the origin of mankind,
Her discoveries generally throw light on the <u>evolution of mankind </u>and new understanding of <u>genesis of human race</u>
Explanation:
Asymptomatic bacteruria is when there are elevated bacteria levels in urinalysis or there is culture growth but there are no symptoms thereby asymptomatic. Although asymptomatic, asymptomatic bacteruria is a form of urinary tract infections but only needs to be treated if the urinary tract infection is symptomatic or complicated such that in pregnancy, those with unstable comorbidities such as diabetes, and those with structural anatomic urinary tract defect i.e. vesicoureteral reflux.
The correct answers are:
(1) Physical findings are absent; (2) asymptomatic; (2) if no symptoms present, no antibiotics recommended; (4) elevated bacteria level in urinalysis and culture
