CELLS
____ is the ability of the body or a cell to seek and maintain a condition of equilibrium or stability within its internal environment.
Homeostasis
Which cellular organelle is thought to have evolved from a prokaryote that was able to use oxygen?
a. Chloroplast b. Golgi Apparatus c. Mitochondria d. Ribosome
MITOCHONDRIA
Dr. Tanaka discovered a new virus. The virus has a single strand of nucleic acid, but she does not know if it is DNA or RNA. After running tests, she concludes that it is DNA. Which of the following would lead her to that conclusion?
a. it has uracil c. it contains thymine
b. it contains adenine d. it contains cytosine
C. It contains Thymine
A volcano erupted, covering the plant life in the area with lava. Over time, pioneer plants began growing on the lava rock. Which term describes the new growth represent?
a. Adaptation c. natural selection
b. Succession d. alternation of generations
SUCCESSION
What type of inheritance controls blood types in humans?
A. Incomplete dominance
B. Polygenic inheritance
C. Multiple alleles
D. Recessive genes
MULTIPLE ALLELES
Which of these cell structures converts nutrients to energy for cell functions?
a. cell membrane c. chloroplasts
b. Mitochondria d. endoplasmic reticulum
MITOCHONDRIA
The concept that each living species has descended, with changes, from other species over time is referred to as
a. Descent with modification c. Artificial selection
b. Theory of acquired characteristics d. Natural selection
DESCENT WITH MODIFICATION
Enzymes are a type of
a. carbohydrate b. protein c. lipids d. nucleic acid
B. Protein
A tapeworm is found in a young's man's intestines. The tapeworm feeds from the food ingested by the man and deprives him of nutrients. What relationship does this represent?
a. autotrophism b. commensalism c. mutualism d. parasitism
PARASITISM
Match the correct blood genotype with the correct blood phenotype: Iai
a. Type A Blood
b. Type B Blood
c. Type AB Blood
d. Type O Blood
TYPE A BLOOD
An organism’s light-sensitive adaption that assists protists with direction and light intensity.
a. Eye spot b. Flagellum c. cilia d. Chemotaxis
EYESPOT
The roughly 30 species of silverswords that can be found in Hawaii developed from a single common ancestor. The success of individual plant species is most likely the result of which process?
a. Genetic drift b. Natural selection c. Genetic resistance d. Selective breeding
NATURAL SELECTION
Which of the following is NOT a part of a nucleotide.
a. 6-ring sugar c. Nitrogenous base
b. phosphate group d. 5-ring sugar
A. 6-ring sugar.
A coral reef provides shelter and nutrients for unicellular algae, while the algae provides photosynthates used by the coral for growth. What term best describes this relationship?
a. competition b. mutualism c. parasitism d. Predation
MUTUALISM
_________________ is a diagram that predicts the outcomes of a genetic cross
PUNNETT SQUARE
Which structure do a rabbit cell and a bacillus (bacteria) cell have in common?
a. Organelle b. capsule c. nucleus d. DNA
DNA
Bats and birds are only very distantly related, and both evolved wings for flight in very different evolutionary pathways. What is the term that describes the wing structures that these species evolved?
a. Analogous structures c. Divergent structures
b. Embryonic structures d. Homologous structures
ANALOGOUS STRUCTURES
Baby food manufacturers sometimes use proteases in their products. Proteases function by catalyzing the breakdown of protein, making digestion easier for babies. What type of molecule are proteases?
a. reactants b. substrates c. hormones d. enzymes
d. Enzymes
Once sea turtles hatch in the sand dunes, they wait until the sand cools and then crawl toward the light of the horizon which directs them into the ocean water. What is the best explanation for this behavior?
a. It is an innate behavior that the baby turtles did not have to be taught.
b. The baby turtles learned the path to the ocean water by trial and error.
c. The baby turtles imprinted on the moonlight as it moved across the beach.
d. Through conditioning the baby turtles knew that food would be in the ocean.
IT IS AN INNATE BEHAVIOR THAT THE BABY TURTLES DID NOT HAVE TO BE TAUGHT.
___________________ is when several genes influence a trait
POLYGENIC TRAIT
The human body processes and eliminates food waste using the organs of the excretory system. Which organelle performs a similar function in humans at the cellular level?
Mitochondria b. ER c. Lysosome d. Golgi Complex
LYSOSOME
Natural selection is described as “survival of the fittest”. Which will surviving fit organisms accomplish?
a. migrate to other areas c. reproduce and pass on genes
b. have a larger territory d. have more genetic mutations
REPRODUCE AND PASS ON GENES
Maltase is best classified as a(n)
a. Single sugar b. Acid c. Enzyme d. Dipeptide
ENZYME
Which example represents a density-independent abiotic factor that might affect a population of rabbits?
a. a hurricane b. a viral infection c. competition d. Predation
HURRICANE
In one strain of mice, fur color ranges from white to darkest brown with every shade of brown in between. This pattern of inheritance for fur color is most likely controlled by
A. Multiple genes
B. A single gene with many alleles
C. Pleiotropy
D. Incomplete dominance
MULTIPLE GENES