Cancer begins with a mutation that allows a cell to divide more quickly. a spread of mutated cells throughout the body. mistakes in cell division that increase the amount of DNA contained in a cell.
14. Define and give an example of each of the following: Natural selection Sexual Selection Gentic Flow
The hypothesis would not have been supported by the data if traits independently assorted in approximately a 9:3:3:1 ratio. the traits for white fur and red eyes were always inherited together. all the F1-offspring had the same phenotype.
30. The most radio -sensitive cells are those that are: (a) highly specialized (b) least specialized (c) rapidly dividing (d) B and C
Question 12 : Fatty fish like salmon sardines and tuna are good dietary sources of Vitamin D. (True/False) True False
When two species have a close and permanent association in which both species benefit. parasitism commensalism mutualism predation competition
Select all that are monomers. Check All That Apply A nucleotide A strand of DNA An amino acid Glucose
Fill in the Blank Question The spring and summer wood formed in one year creates the square ring of a woody plant.
Fill in the Blank Question The square bud contains the shoot tip protected by bud scales.
What type of growth occurs if there is unlimited food sources and no restrictions? Exponential Logistic No growth
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.
