Step-by-Step Biology Tutorials for Easy Learning

amyloid beta peptides block new synapse assembly by nogo receptor-mediated inhibition of t-type calcium channels.
1 Answer
what percentage of sodium in the glomerular filtrate is normally returned to the blood by the kidneys?
1 Answer
which human activities cause deforestation and habitat fragmentation in tropical rainforests in brazil?
1 Answer
the regulation of body temperature exclusively from the external environment is referred to as ectothermy. heterothermy. endothermy. homeothermy.
1 Answer
in general, which species had the largest (absolute) brain? . a. h. naledi b. archaic h. sapiens c. neanderthals d. h. erectus quizlet
1 Answer
the large and remarkable pogonophoran annelids live near deep ocean hydrothermal (volcanic) vents where food items are scarce. how do pogonophorans, which have completely lost their digestive tracts, obtain most of their nutrition?
1 Answer
severing sensory fibers from a monkey's arm will cause the monkey to stop using that arm, but it will begin to use it again if the other (good) arm is restrained. this demonstrates that
1 Answer
Need ASAP!The entire seiche is under water which occurs during these high wind periods or high lake levels. At the same time, coastal fens are one of Michigan's most imperiled habitats. What effects do you think that the loss of coastal fens has had on Michigan coastlines, coastal properties, plants and wildlife?
1 Answer
6.what type of survivorship curve would you expect for a plant species in which only a few seeds are produced and most of these survive to produce adult plants?
1 Answer
the large fish called a pike will eat the bluegill. which organism is probably present in the fewest number in this aquatic ecological pyramid?
1 Answer
which event was most directly responsible for increasing oxygen in earths atmosphere? group of answer choices the development of multicellularity the cooling of the planet the evolution of photosynthesis the emergence of eukaryotes
1 Answer
large-scale serum immune factor analysis of lam identified lag-3 as a novel candidate serum biomarker for the diagnosis of lam
1 Answer
RNA sequencing identifies global transcriptional changes in peripheral CD4( ) cells during active oesophagitis and following epicutaneous immunotherapy in eosinophilic oesophagitis
1 Answer
Miguel is thinking about taking a supplement that is supposed to help build muscles more quickly in fewer workouts. Which of the following statements shows how Miguel's peers influence him in an unhealthy way
1 Answer
A gene is a sequence of bases in a DNA molecule that carries the information necessary for producing a functional product, usually a protein molecule or RNA.
1 Answer
Describe the health production function in decreasing deaths from coronary heart disease
1 Answer
1 pts weakness in climbing stairs or jumping would indicate a weakness of which muscle?
1 Answer
mitochondrial dysfunction in sod1g93a-bearing astrocytes promotes motor neuron degeneration: prevention by mitochondrial-targeted antioxidants
1 Answer
heat-induced tas1 target1 mediates thermotolerance via heat stress transcription factor a1a-directed pathways in arabidopsis
1 Answer
ohzeki,j., nakano,m., okada,t. and masumoto,h. (2002) cenp-b box is required for de novo centromere chromatin assembly on human alphoid dna. j. cell biol., 159, 765775.
1 Answer
suppose that the predator (the bird) saw no difference between the colors gray and light brown. what would the most likely effect be on the light brown background trial?
1 Answer
when growing in cold environments, bacteria alter membrane lipids to include increased numbers of choose one: a. longer-chain fatty acids. b. saturated fatty acids. c. polyketides. d. unsaturated fatty acids.
1 Answer
Mookiah, MRK, Acharya, UR, Fujita, H, Koh, JE, Tan, JH, Noronha, K, Bhandary, S.V, Chua, C.K, Lim, CM, Laude, A & Tong, L 2015, 'Local configuration pattern features for age-related macular degeneration characterization and classification', Computers in biology and medicine, vol. 63, pp.208-218.
1 Answer
Intergenerational consequences of the Holocaust on offspring mental health: a systematic review of associated factors and mechanisms,
1 Answer