What molecule brings amino acids to the site of a growing protein chain, and what part of the genetic material determines which amino acid comes next in the sequence? dRNA, gene rRNA, gene mRNA, codon tRNA, codon
How many pairs of ribs are considered false ribs? 7 8 5 12
Why is it important to first moisten the applicator swab with sterile broth media? Dry applicator swabs would stick to the agar plate. The broth will sterilize the object being sampled so growth can take place on the plate. Dry applicator swabs cannot pick up bacteria. It aids in picking up bacteria on objects and spreading them evenly over the agar plate.
Thermoregulation is one of the functions of the cutaneous membrane. True False
Lactic acid fermentation occurs in yeast cells blood cells muscle cells bacterial cells
Which summarizes the role of the sarcoplasmic reticulum during muscle contraction? a. Stores chloride b. Releases calcium into the cell c. Releases sodium into the cell d. Stores potassium
Select the correct answer. Which of these statements is true of Oparin and Haldane's theory? A. The primitive organic molecules were formed in a reducing atmosphere in the primordial soup. B. The primitive organic molecules were formed in an oxidizing atmosphere in the primordial soup. C. The primitive organic molecules were formed in a reducing atmosphere on land.
The waggle dance of the bee is considered a directly "open"system of communication as it can be used to signal nectar sources near and far, as well as signal rudimentary weather conditions in the area. True False
Starch is string of glucose molecules which offers quick, fast absorption in your blood. True False
When teaching about how antibodies provide protection against infection through direct effects, which direct effects should be included? Select all that apply. Activation of complement Opsonization of parasites Chemotaxis of neutrophils Neutralization of bacterial toxins Agglutination of infectious agents
Which of the following is dominated by adipose tissue? Epidermis Hypodermis Dermis
Which sweat glands are only found in restricted areas? Sebaceous gland Merocrine gland Apocrine gland
A hormone that the adrenal medulla secretes is a. glucocorticoid. b. epinephrine. c. aldosterone. d. mineralocorticoid.
Which of the following has numerous layers of keratinocytes? Hypodermis Dermis Epidermis
Which antibody is concentrated in the respiratory tract? IgA IgE IgG IgM All of the choices are correct.
Which of the following parts determines hair color? cortex hair root hair bulb medulla
Multiple Choice Question Of the following biological entities, which one is definitely a virus? A biological entity whose genome is made of 3 single stranded RNA molecules A biological entity whose genome is made of a single circular DNA molecule A biological entity whose genome is made of proteins
Which of the following are prevented from entering the interstitial fluid of the brain, due to the blood-brain barrier? Check All That Apply Waste products in the blood Some hormones Nicotine Alcohol
Which layer of the epidermis is found in only a few areas of the body? Stratum basale Stratum spinosum Stratum granulosum Stratum lucidum Stratum corneum
FIll In the Blank Question The ventricles that are located within the cerebral hemispheres are the $\square $ ventricles.
