Ultimate Biology Study Guide - Questions & Answers

In the past, decreasing fertility rates were associated with decreasing poverty levelsa. Trueb. False
1 Answer
Suppose that there was an enzyme that cuts bonds between deoxyribose and phosphate groups. what would this enzyme do to a dna molecule?
1 Answer
suppose that there was an enzyme that cuts bonds between deoxyribose and nitrogenous bases. what would this enzyme do to a DNA molecule?a. this enzyme would separate the strands of DNA but leave each strand intact thin enzyme would remove bases from nucleotiden b. this enzyme would replace all the A's in a DNA molecule with G c. this enzyme would have no effect on a DNA molecule d. this enzyme would make cuts in the backbone of each strand of a DNA molecule
1 Answer
Which hypothesis is supported by the characteristics of Lucy and other Australopithecus afarensis?a. Bipedalism did not arise until the origin of Homo sapiens.b. All hominins are in the genus Homo.c. Hominin evolution began with enlargement of the brain, leading eventually to bipedal walking because the hands were needed for other tasks.d. Bipedalism arose very early in hominin evolution, prior to enlargement of the brain.
1 Answer
What are the products that result from photosynthesis and that also serve as the starting materials for cellular respiration?
1 Answer
fats that cannot be transported by the bloodstream are absorbed by the that are located in the villi that line the small intestine.
1 Answer
what color is rare in nature as a pigment, most often occurring as a structural color?
1 Answer
Can someone please help me offering Brainly points an badge
1 Answer
Is this statement true or false? The cause and effect is the relationship between two events in a story. O true false
1 Answer
if a spieces have homolougs what does this say about the spieces
1 Answer
the epithelial and connective tissue elevations on the dorsal surface of the tongue are called .
1 Answer
which portion of the heart, when weakened by a heart attack, is responsible for causing fluid to back up in and fill the lung tissue?
1 Answer
why is the presence and activity of acetylcholinesterase every bit as important as acetylcholine release in the first place?
1 Answer
describe the structure of the stomach and indicate changes in the basic alimentary canal structure that aid its digestive function.]
1 Answer
ssuming that these traits are sorting in a mendelian way, and given that you collected 800 plants from a cross of your street plant with your f1, how many plants do you expect that have red
1 Answer
schools of parrot fish tend to remain within close proximity to coral reefs for protection from predators and for easy access to food sources. what type of distribution does this represent?
1 Answer
scientists believe that perching birds originated on the continents of australia and antarctica. how would these scientists explain the discovery of ancient perching bird fossils in africa?
1 Answer
infection by streptococcus pyogenes can lead to the production of cross-reactive antibodies that cause autoimmune damage to heart valves, joints and kidneys. this complication is known as:
1 Answer
when activated phospholipase c cleaves an inositol phospholipid, what happens to the small signaling molecules the enzyme produces? group of answer choices both inositol 1,4,5-trisphosphate (ip3) and diacylglycerol are released into the cytosol. both inositol 1,4,5-trisphosphate (ip3) and ca2 are released into the cytosol. inositol 1,4,5-trisphosphate (ip3) remains in the membrane, while diacylglycerol is released into the cytosol. both inositol 1,4,5-trisphosphate (ip3) and diacylglycerol are retained in the membrane. inositol 1,4,5-trisphosphate (ip3) is released into the cytosol, while diacylglycerol is retained in the membrane.
1 Answer
imagine you discovered two new species of fish. one has internal fertilization and the other fertilizes eggs externally. in both species, only one adult provides parental care for the eggs in a nest. in which species is paternal care more likely to have evolved and why? (20 points)
1 Answer
which of the following impact categories is given the highest weight in leed? question 94 options: a) protect and restore water resources b) protect, enhance and restore biodiversity and ecosystem services c) enhance individual human health and well-being d) build a greener economy
1 Answer
select the part of the brain that may have the least effect on the classical brain reward system. a. amygdala b. nucleus accumbens c. cerebellum d. ventral tegmental area (vta)
1 Answer
For each of the following scenarios, characterize the effect of each scenario on blood levels of vasopressin. Drag the appropriate items to their respective bins.
1 Answer
Explain what 5' and 3' ends mean in regards to DNA structure?
1 Answer