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
Different forms of a gene controlling a particular trait are called - alleles hybrids punnetts zygotes
How can scientists use comparative anatomy? A. to understand the size between organisms B. to understand the climate in which organisms live C. to understand evolutionary relationships between organisms D. to understand the food chain order of organisms
7. Explain what the results show about the flow of energy in an ecosystem.
Where do you put the parents' genotypes when you're doing a Punnett Square? Inside the box Outside the box on the top and left
Which of the following structures detects changes in the environment and sends this information to the brain? Neurons Glial cells Hormones Sensory receptors
What is the primary role of the spinal cord in the nervous system? Storing sensory information Carrying messages between the brain and the body Producing hormones None of these
What is the primary purpose of packaging DNA into chromosomes during mitosis? A To prevent genetic mutations B To make DNA more compact C To allow DNA to move to opposite ends of the cell D To increase genetic complexity
In a species with a body cell having 6 chromosomes, how many chromosomes would be in the gametes after meiosis? A 3 chromosomes B 2 chromosomes C 6 chromosomes D 12 chromosomes
Which of the following best describes the process of transpiration? Water transforms from a liquid to a gas Plants release water vapor during photosynthesis and respiration Energy flow from one organism to another Bacteria perform nitrogen fixation
In the genetic code a sequence of three mRNA nucleotide bases that specifies a particular amino acid (or a stop signal)is known as a: Codon. Anticodon Gene.
