Which structure is found mostly in green plants? A. Chloroplast B. Cytoplasm C. Mitochondrion D. Lysosome
How does an animal cell react when there is no glucose available to carry out cellular respiration? A) It carries out ethyl alcohol fermentation. B) It breaks down polysaccharides such as starch. C) It produces other sugars through photosynthesis. D) It carries out lactic acid fermentation.
What factor helps determine the fertility rate of a group of people? A: Death rate B: Access to medicine C: Consumption rate D: Farmland
Most atp in cellular respiration is regenerated in substrate level phosphorylation. most atp in cellular respiration is regenerated in substrate level phosphorylation. a. True b. False
Which of the following will allow for the greatest reduction in an individual’s carbon footprint? a. replacing incandescent bulbs with compact fluorescent bulbs b. bicycling instead of driving c. eating vegetarian d. none of the above Please answer ONLY if you KNOW! Thanks :)
The concentration of atmospheric carbon dioxide is currently decreasing due to human activities?True or False
Which of these is an element of the formal definition of intellectual disability? iq below 70 slower than normal reflexes evidence of brain damage onset of deficits prior to age 6?
The memory system in which signals are held for a split second is called _____ memory. short-term working sensory holding
Which of the following is not something a zoologist might do in his or her profession? a. help manage natural resources as the human population grows b. work in labs or be outdoors working with animals in their habitats c. conduct research or deal with applied research d. study the behavior, disease, or development of animals
20. In single-gene traits, natural selection can lead to which of the following? A. Directional selection B. Founder effect C. Disruptive selection D. Allele frequency change
A(n) _____ in a molecule influences the way that a molecule reacts. A organic compound B functional group C hydrocarbon D lipid
Which of the following best states the relationship between the axial skeleton and the appendicular skeleton?
Cells that require large quantities of energy will have a. large numbers of mitochondria. b. extra Y chromosomes. c. two-layer membrane. d. a storage area for proteins.
Which of the following provides an example of epistasis? A) Recessive genotypes for each of two genes (aabb) results in an albino corn snake. B) The allele b17 produces a dominant phenotype, although b1 through b16 do not. C) In rabbits and many other mammals, one genotype (cc) prevents any fur color from developing. D) In Drosophila (fruit flies), white eyes can be due to an X-linked gene or to a combination of other genes. E) In cacti, there are several genes for the type of spines.
The "reproductive handicap" for sexual reproduction refers to _____. the "reproductive handicap" for sexual reproduction refers to _____.
Algae uses all the energy in sunlight to perform photosynthesis. Please select the best answer from the choices provided T F
Pioneer species survive by living on rocks and minerals. Please select the best answer from the choices provided T F
When addressing a counterclaim in an argumentative essay, it is important to A. Consider how the counterclaim reinforces then main position of your argument B. Include details and statistics that support the counterclaim C. Show reader why the counterclaim is as valid as your argument D. Explain the pitfalls of the counterclaim in comparison to your argument
The Cenozoic Era is also referred to as the A. First Era. B. Age of Dinosaurs. C. Age of Mammals. D. Age of Fish.
Animal life in the Paleozoic Era included all of the following EXCEPT ____. a. marine life c. amphibians b. humans d. reptiles
How does the muscular system help humans maintain posture? Muscles continually align themselves vertically to help maintain posture. Muscles continually push bones to be straight. Muscles constantly contract and relax to help fight gravity. Muscles constantly contract and relax to help work with gravity.
Bats and hummingbirds are examples of _____. bats and hummingbirds are examples of _____. endotherms that are also poikilotherms endotherms that are also ectotherms ectotherms that are also poikilotherms endotherms that are also homeotherms ectotherms that are also homeotherms
Which of the following best describes a feature that distinguishes animals from fungi? Animals have cell walls containing cellulose and proteins, while fungi have cell walls containing chitin. Animals are heterotrophs, while most fungi are chemoautotrophs. Animals reproduce sexually or asexually, while fungi reproduce by binary fission or budding. Animals digest their food inside their bodies, while fungi digest their food externally