Ultimate Biology Study Guide - Questions & Answers

why is homeostasis important? for example, what could go wrong if your body temperature got too low or too high?
1 Answer
in terms of making biofuel, which farm crop would result in the largest amount of oil produced per acre of crop?
1 Answer
describe the direction of blood and lymph movement between arterioles, blood and lymph capillaries, and venules.
1 Answer
the archenteron of a mesolecithal embryo with holoblastic cleavage eventually develops into which structure?
1 Answer
what are adaptations? processes that allow individuals withcertain inherited traits to survive and reporduce
1 Answer
a woman with blood type a has two children. one has type o blood and the other has type b blood. what is the genotype of the mother?
1 Answer
lets say you have a salt water fish tank. in it you have snails, sea stars, fish, tunicates, purple sea urchins and one octopus. how many phyla do you have?
1 Answer
after a fracture, during which stage or phase of bone healing is devitalized tissue removed and new bone reorganized into its former structural arrangement?
1 Answer
which statement is true? carbon is not a component of proteins. carbon is a major constituent of phospholipids, atp, and other energy-storing molecules. many oceanic organisms rely on atmospheric carbon dioxide to build protective shells. plants and other photosynthetic organisms obtain most of their carbon from biofixation. carbon forms the framework for inorganic molecules.
1 Answer
how to proteins with nuclear localization signals, that are bound to nuclear import receptors enter the nucleus question 3 options: by hydrolyzing a molecule of atp to adp and phosphate by interacting with the phenylalanine-glycine (fg) repeats on the fibril proteins of the nuclear pore complex by cleaving the nuclear localization signal from the cargo protein by binding a molecule of ran-gdp
1 Answer
country x is 95% desert. the government of country x is concerned about not having enough arable land (land capable of being used to grow crops) in the country to produce the food needed to feed its population without increasing food imports. one government official proposes a project to irrigate large areas of the desert to convert these areas of desert to agricultural fields.
1 Answer
Select the correct statement about the factors that limit the growth of a population.a. If a factor limits population growth, increasing its availability will increase population growth.b. The most important factor limiting population growth is the scarcest factor in that area.c. Density-dependent factors are biotic; density-independent factors are abiotic.
1 Answer
In addition to a promoter, eukaryotic genes have control elements called __________.
1 Answer
A plant has dominant and recessive traits for flower color. the dominant color is amethyst (a), and the recessive trait is white (a). which punnett square correctly shows two homozygous parents producing heterogeneous offspring?
1 Answer
What color is rare in nature as a pigment, most often occurring as a structural color?
2 Answers
Select the two true statements about natural selection.Only variations that help individuals avoid predators can become morecommon through natural selection.The result of natural selection in a population depends on the population'senvironment.Natural selection causes advantageous variations to become morecommon over many generations.Natural selection can cause an individual to gain new advantageousvariations during its life
1 Answer
oose the correct statement about carbohydrates. a. all monosaccharides contain 6-18 carbon atoms arranged in long chains. b. disaccharides contain two monosaccharides hooked together. c. carbohydrates are digested by lipases. d. after enzymes break down carbohydrates, disaccharides are absorbed into the blood.
1 Answer
a target effector, such as the heart, receives input from the sympathetic and parasympathetic systems. what is the actual difference between the sympathetic and parasympathetic divisions at the level of those connections (i.e., at the synapse)? what role does the autonomic nervous system play in the car crash?
1 Answer
how do papillary muscles prevent atrioventricular valve cusps from everting (swinging upward) into the atria?
1 Answer
most amphibians have two key characteristics that tie them to water or at least damp habitats. what are they?
1 Answer
in of mice and men, george and lennie share a special relationship. what motif do these characters fit into?
1 Answer
10) which answer explains why na ions enter the cell when voltage-gated na channels are opened in neurons?
1 Answer
the smaller structural units that contain bundles of axons within each white matter funiculus are called
1 Answer
the r/r and s/s genes are linked and 10 map units apart. in the f1 testcross rs/rs x rs/rs what percentage of the progeny will be of the parental types?
1 Answer