Question of the Day II Flashcards
What is responsible for the formation of the lens of the eye?
Ectoderm
The Mesoderm is a germ layer which gives rise to?
Connective tissue + Muscles
The endoderm is a germ layer which gives rise to?
Liver
What germ layer gives rise to the nervous system?
Ectoderm
What are the products of the Citric Acid Cycle?
6 NADH, 2 FADH2, 2 ATP, 4 CO2
The Medulla Oblongata functions in controlling:
Breathing rate, heart rate, Blood Pressure + Reflexes
In a sample with 46 homologous pairs of chromosomes, what is the total number of chromatids present in the sample?
184 chromatids because 92 chromosomes
Carbohydrate digestion begins in the
Mouth with the initial breakdown via salivary amylase
Protein digestion begins in the
Stomach via hydrochloric acid and the enzyme pepsin.
During starvation, why is glucagon released by the alpha cells of the pancreas?
To signal the liver to break down stored glycogen into free glucose molecules, which go to lacking places
What does Ghrelin do?
Signals the body and lets it know that it’s hungry
What does the liver release during times of starvation?
Ketone bodies
Hormones composed of steroids are synthesized in which of the following organelles in the cell?
Smooth ER
Which hormone is associated with contractions during childbirth?
Oxytocin
Cnidarians do not possess a
Circulatory system
What is a Apoenzyme?
An enzyme without a co-factor
What is a holoenzyme?
An apoenzyme + co-factor
What are purines?
Adenine + Guanine
What are pyrimidines?
Uracil + Cytosine + Thymine
What is the function of the Epididymis?
Stores sperm
What is the function of the Oviduct?
It is the site of fertilization
What is the Vas deferens?
A tube which transports the sperm to the urethra
What is the function of the Seminal vesicles?
They give sperm alkaline based protection to neutralize acidity of vagina
What is the functional unit of the liver called?
Lobule
Which hormone is responsible for red blood cell production?
Erythropoietin, which is produced in the kidneys and travels to the bone marrow
Which part of the pancreas functions as the endocrine system of the organ?
Islets of Langerhans
Describe the Islets of Langerhans
Contain alpha and beta cells, which release glucagon and insulin
