Which of the following is not considered a mediastinal structure? Trachea Heart Lungs Thymus gland
Which of the following makes up the apex of the heart? Right atrium Left atrium Right ventricle Left ventricle
The lobes of the thyroid gland join anteriorly to form the: Laryngeal prominence Isthmus Superior horn Inferior horn
__ is a protein that anchors myofibrils that are adjacent to the sarcolemma to proteins in the sarcolemma. Fill in the blank square
Which uses magnets to aim a beam of electrons at a thin slice of cells? SEM TEM optical microscope
Which of these does a scientist change in an experiment to test its effect? Control group Independent variable Dependent variable Constant
No photoreceptor cells are at the optic disc, or blind spot, True False
Three pigments contribute to skin color:Melanin, Carotene Hemoglobin True False
Optic chiasma:Fibers from the medial side of each ear cross over to the opposite side of the brain True False
Which of the following is NOT an ossicle found in the middle ear? malleus cochlea stapes incus
What are the 2 main differences in prokaryotic cells? $\square $
How are Photosynthesis and Cellular Respiration interdependent on each other?
4. Explain how a beneficial inherited trait can increase in a population over time through natural selection. __
Fusion of male and female gametes occurs during: A cleavage B fertilization C implantation D parturition
The risk of bioterrorism is increasing in recent years for the following reasons except The booming of biotech industries None of the above Scientists from former biological weapon programs are looking for jobs Information becomes more available because of internet Pathogen cultures can easily be purchased
What method below is NOT practiced for the making of modify live virus vaccines? Heat treatment Cultivation at cold temperature Genetic Engineering Passaging in non-human host
Question 100 (1 point) Which one of the following structures degenerates if a fertilized legg does not embed in the uterus? oviduct secondary oocyte corpus luteum ovary zona pellucida
An experiment is set up to determine the effect different brands of fertilizer has on the growth of tomato plants. Plant A gets brand X fertilizer, Plant B gets brand Y fertilizer, and Plant C gets brand Z fertilizer. Plant D does not receive an fertilizer during the course of the experiment. What is plant D? the dependent variable the independent variable the control
If the concentration of oxygen in the blood is higher than the concentration of oxygen in the body's tissues, oxygen will diffuse out of the tissues into the blood. oxygen will diffuse into the tissues from the blood carbon dioxide will diffuse into the tissues from the blood. there will be no diffusion of gases between the tissues and the blood. oxygen will be pumped from the blood into the tissues via active transport.
When setting up a Punnett square, the alleles from each parent are placed Randomly inside the boxes On opposite sides of the square Only on the top row Only on the left side
