Which structural type of neuron is the most abundant in the central nervous system? a) Multipolar b) Pseudounipolar c) Unipolar d) Bipolar
6. Why would it be beneficial for some cells to remain stem cells rather than becoming specialized? __
Koch observed Bacillus anthracis multiplying in the blood of cattle. What is this condition called? systemic infection septicemia bacteremia local infection focal infection
What happens to the cell cycle of the secondary oocyte? square
Which is used to make many copies of DNA? A. Restriction endonuclease B. Recombinant DNA technology C. Reverse transcriptase D. Nuclear transfer
Consider the formula for glucose: C_(6)H_(12)O_(6) In the processes of photosynthesis, what supplies the hydrogen (H)used in the formation of glucose? light energy carbon dioxide chlorophyll water
__ live deep in the ocean in places like the Marina trench. Barophiles Psychrophiles Halophiles Methanogens
Which of the following is/are involved in focusing of light? Cornea Pupil Lens Both a and c
Refers to how much land a species lives in: Geographic Range Habitat Tolerance Local Population Density None of these
The structures that deflect air as it passes through the nose are called: choanae. paranasal sinuses. conchae. vibrissae.
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.
