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Biology Questions
BIOLOGY
HIGH SCHOOL
After chromosomes are formed, during which phase of mitosis do the chromosomes attach to the spindle fibers by their centromeres?
BIOLOGY
HIGH SCHOOL
What is symbiosis (sim-biy-OH-sis)
BIOLOGY
HIGH SCHOOL
Even if you live in the middle of North America, the quality of your watershed can affect the quality of the ocean. How can this be? Select one: a. Evaporation carries materials from your watershed to the ocean. Incorrect b. Materials in your watershed are eventually transported to an ocean. c. The amount of water in your watershed will affect ocean evaporation. d. Materials in your watershed are not transported to an ocean.
BIOLOGY
HIGH SCHOOL
Hair would be dry and brittle without the presence of? A) sebaceous glands B) keratin C) melanin D) fat
BIOLOGY
HIGH SCHOOL
Why are viruses considered to be nonliving?
BIOLOGY
HIGH SCHOOL
Which process uses energy to combine inorganicmolecules to synthesize organic molecules?(1) respiration (3) photosynthesis(2) digestion (4) decomposition
BIOLOGY
HIGH SCHOOL
When a landslide occurs, it is most like due to: A.Soil creep B.Slumping C.Rock metamorphosis D.High winds
BIOLOGY
HIGH SCHOOL
Which activity can occur without the use ofenergy?(1) contraction of muscle tissue(2) protein synthesis in a cell(3) active transport of minerals(4) movement of water across a membrane
BIOLOGY
HIGH SCHOOL
Exit One advantage of a reflex response in the survival of an organism is A. the signal has to travel all the way to the brain before an action is taken by the body. B. that sensory neurons carry impulses to the spinal cord which then sends a response to the muscle via the motor neurons causing a reaction. C. the signal does not have to travel all the way to the brain before an action is taken by the body. D. that motor neurons carry impulses to the spinal cord which then sends a response to the muscle via the sensory neurons causing a reaction.
BIOLOGY
HIGH SCHOOL
Damage to the ozone shield over the UnitedStates is likely to cause(1) increased warming of local ecosystems(2) increased exposure to ultraviolet light(3) reduction in the pH of acid precipitation(4) reduction in the frequency of floods anddroughts
BIOLOGY
HIGH SCHOOL
What is the importance of geographic isolation in speciation?A. It allows different mutations to arise.B. It prevents reproduction between populations.C. It reduces competition between the populations.D. It protects one of the populations from predation.
BIOLOGY
HIGH SCHOOL
Which of the following is true of RNA compared to DNA?a. It lacks phosphate groups. b. It is a single-stranded molecule.c. Its nucleotides do not have sugars.d. It contains four different nucleotides.
BIOLOGY
HIGH SCHOOL
Which of the following defines evolution? a change in environmental conditions a change in an animal's physical traits a change in a population's gene pool a change in an individual's genetic makeup
BIOLOGY
HIGH SCHOOL
List and describe two ways that scientists can date fossils found in the earth.
BIOLOGY
HIGH SCHOOL
Which of the following is NOT a characteristic of living things?a.one or more cellsb.complex chemical activityc.reproductiond.nuclear reactions
BIOLOGY
HIGH SCHOOL
plz help!!!! A nucleotide consists of all of the following except: sugar nitrogenous base lipid phosphate group
BIOLOGY
HIGH SCHOOL
What test may be used to determine if a stain is blood or not? Sessions-Briggs Color Test Van-Daniels Color Test Kastle-Meyer Color Test Mira-Curie Color Test
BIOLOGY
HIGH SCHOOL
Celiac disease is disease that affect the digestive system. When people eat food containing gluten, material found in wheat product, their immune system damages or destroys their villi. What are villi and why are they important? How might the lack of villi affect a person's digestive process?
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