Answer:
gills and webbed feet
Explanation:
The aquatic biome is divided into freshwater and marine regions. Freshwater regions, such as lakes and rivers, have a low salt concentration. Marine regions, such as estuaries and the ocean, have higher salt concentrations.
The hippocampus a) aids in balance and control of body movement. b) contributes to dramatic gains in motor coordination. c) plays a vital role in memory and in images of space that help us find our way. d) supports smooth coordination of movements on both sides of the body.
The hippocampus, a part of the human brain, is primarily involved in memory formation and spatial awareness, not the control of balance and body movements.
Explanation:The hippocampus is an essential part of the human brain that plays a crucial role in memory processing and spatial awareness. It is not directly involved in controlling balance, movement coordination, or the bilateral symmetrical control of body movements. Instead, these functions are primarily managed by other parts of the brain such as the cerebellum. The hippocampus' primary role is in forming new memories and helping orient us in space. The ability to navigate through our environment and remember locations is largely due to the work of the hippocampus.
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A crop is treated with a pesticide and 98% of the insects are killed. what will most likely happen to the remaining insects?
The 2% of the insects will begin to reproduce and grow their population exponentially and in time enable the population to recover. This is if the population is large enough to enable random mating. The 98% reduction in population drastically reduces competition for the remaining individuals hence giving them abundant resources for them to thrive.
during gastrulation in frogs, a rod of mesoderm under the dorsal surface forms the _____.
Notochord
During gastrulation in frogs, a rod of mesoderm under the dorsal surface develops into the notochord which is the precursor of the backbone. The notochord plays an important structural role by serving as the axial skeleton of the embryo until other elements such as the vertebrae forms.
On which cell types do antibodies exist as transmembrane proteins?
Naïve B cell
Naïve B cell is known to be a B cell that is not exposed to an antigen. Thus, once naïve B cell is exposed to an antigen, it becomes a plasma cell or memory B cell that secretes antibodies specific to the antigen that was original bound.
Heterotrophy refers to those organisms that cannot not get their energy from other organisms trur or false
A medical assistant discovers an unidentifiable liquid on the floor of one of the clinic's treatment rooms. which of the rollowing materials should the assistant use to remove and dispose of the liquid
A clean-up kit
A clean-up kit is a set of equipment that is designed for cleaning purposes such as removal of dirts, stains, or impurities. A clean-up kit contains equipment such as gloves, absorbent pads, face shield, shoe covers, trash bags and disposable apron and gown which are required for cleaning. For the question given above, the assistant should use a clean up kit to remove and dispose the liquid.
Over 90% of all parasympathetic fibers are derived from cranial nerves ________. v (trigeminal) vii (facial) x (vagus) xii (hypoglossal)
The identification of a complex arrangement of sensory stimuli is known as
Forms when entire organisms or parts of organisms are prevented from decaying by being trapped in rock, ice, tar, or amber.
Our dependence on fossil fuels is of increasing concern as the petroleum deposits dwindle. Hybrid cars use _________ power as an alternative fuel source.
The answer is Electric.
Answer:
electric
Explanation:
on usa test prep A. ELECTRIC
How can the fossil record provide evidence for evolutionary relationships?
You should pack foods high in ________ to provide the most energy or kilocalories per gram of food. A) carbohydrates B) lipids (fats) C) proteins D) sugars
The answer would be B: Lipids.
Why cold blooded animals don't become warm blooded?
Which symbol on a regulatory marker indicates hazards such as rocks or stumps? green square?
The symbol on a regulatory marker that indicates hazards such as rocks or stumps is an Orange Diamond. Regulatory markers are types of non-lateral markers such as white and orange markings that are used as navigation aids that give directions, warn of dangers and marks controlled locations. Orange diamond shapes warns of dangers such as rocks, stumps or construction.
Rosalind franklin used x-ray diffraction to study wet dna. her data were used by james watson and francis crick to determine the structure of dna. what did her data suggest about the structure of dna?
Final answer:
Rosalind Franklin's X-ray diffraction data provided evidence that DNA has a helical structure with two strands, leading to the double helix model proposed by Watson and Crick. Her critical contributions were recognized posthumously as Nobel Prizes are not awarded posthumously.
Explanation:
The data collected by Rosalind Franklin through X-ray diffraction methods suggested several critical features about the structure of DNA. Most notably, Franklin's photographs indicated that DNA was composed of two strands, forming a helix. Her image known as "Photograph 51" revealed a clear X-shaped pattern pointing to the helical structure of DNA. Franklin also discovered that DNA consisted of two forms: a long, thin fiber when wet (type B) and a short, wide fiber when dry (type A). These observations provided Watson and Crick with the crucial information needed to model DNA as a double helix, determining the size and structure of DNA.
Franklin's contribution to the discovery of DNA's structure was fundamental, yet her work did not receive the same recognition as her male counterparts during her lifetime. Unfortunately, the importance of Franklin's research was fully acknowledged only after her untimely death, as Nobel Prizes are not awarded posthumously. Despite this, her work continues to be celebrated for its invaluable contribution to our understanding of genetics and molecular biology.
The sediments found in a riverbed are most likely a result of which action on nearby rock?
The sediments in a riverbed likely result from the weathering and erosion of nearby rock, carried by natural forces like water flow and deposited through a process called deposition.
The sediments found in a riverbed are most likely a result of various actions on nearby rock, including weathering and erosion. These processes lead to the breakdown and transport of rock material. Weathering involves the physical and chemical breakdown of rocks into smaller fragments. Erosion encompasses the removal of these fragments from their original location through natural forces such as water flow in rivers. Eventually, these sediments are carried and deposited in different areas, including riverbeds, through a process known as deposition. Over time, the accumulation of these sediments can lead to the formation of sedimentary rock, given sufficient pressure from additional layers of sediments. Important factors in this process include hydraulic action, which lifts sediment from the sides and bed of the river channel, and abrasion, where materials suspended in the water help to scour the bed and sides of the channel.
The benefits of spines on a cactus are similar to the benefits of the ?.
What is the minimum number of daily kcals necessary to ensure nutritional adequacy in an eating plan for reducing weight?
Which is a genotype for pea shape? A. r B. R C. RR D. round peas
Genotype for pea shape could be 'r', 'R', or 'RR'. 'RR' represents a homozygous dominant trait producing round peas. Round peas is a phenotype, not a genotype.
Explanation:The genotype for pea shape in genetics can be represented using different combinations of alleles. In this case, the options A, B and C - 'r', 'R', and 'RR' - could all be genotypes for pea shape. 'RR' would typically represent a homozygous dominant trait, meaning round peas, whereas 'r' and 'R' are alleles that could combine in different ways to produce different physical traits, or phenotypes. So the correct answer is C: 'RR' is a genotype for pea shape. Option D - round peas - represents a phenotype or the physical expression of the genotype.
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The russian biologist g. f. gause was one of the first to study the competitive interactions of ________ species.
Ftsz, mreb, and cres proteins regulate the shape and structure of bacterial (prokaryote) cells. these proteins are homologous to the ________ in eukaryotes.
The bacterial proteins FtsZ, MreB, and cres regulate cell shape and structure and are homologous to the eukaryotic protein tubulin, indicating a common evolutionary origin.
Explanation:The bacterial proteins FtsZ, MreB, and cres are homologous to the tubulin protein in eukaryotes. Deriving from common evolutionary origins, FtsZ is presumed to be the ancestor protein to both the modern FtsZ and tubulin. Both proteins can be found in existing organisms, though the function of tubulin has evolved and diversified significantly since its evolutionary origin from FtsZ. Similar to the way tubulin forms microtubules, centrioles, and various cytoskeletal components, FtsZ proteins can form filaments, rings, and other three-dimensional structures. Additionally, both FtsZ and tubulin use the same energy source, GTP (guanosine triphosphate), to rapidly assemble and disassemble complex structures.
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What is the role of dehydration reactions in the formation of organic compounds and hydrolysis?
What is the main function of the cell nucleus answers?
What are the two major organs that occupy the thoracic cavity?
Inflammation, your skin, and macrophages are all part of the body's ___ immune system response to a pathogen. allergic general practiced specific
Answer:
B)
general
Explanation:
just did the test on usatestprep
The chief force pushing water and solutes out of the blood across the filtration membrane is ________. the chief force pushing water and solutes out of the blood across the filtration membrane is ________. the ionic electrochemical gradient glomerular hydrostatic pressure (glomerular blood pressure) protein-regulated diffusion the size of the pores in the basement membrane of the capillaries
The glomerular hydrostatic pressure, a force inherent to the blood pressure within the glomerular capillaries in the kidneys, is the main driver for the filtration of water and solutes across the filtration membrane. This process, known as glomerular filtration, is facilitated by the semi-leaky nature of the capillaries and occurs via passive diffusion. The blood pressure in the glomerulus is crucial for the Glomerular Filtration Rate (GFR), an indicator of kidney function.
Explanation:The chief force pushing water and solutes out of the blood across the filtration membrane is glomerular hydrostatic pressure (glomerular blood pressure). This hydrostatic pressure, operating in the renal glomerulus, drives the filtration process in the kidneys by forcing water and solutes such as salts, glucose, urea and many other substances into the glomerular capsule, which starts the formation of urine. As fluid and solutes move from the high-pressure condition inside the blood vessel to the lower pressure area inside the glomerular capsule, the process of glomerular filtration occurs.
Glomerular filtration filters out most solutes due to high blood pressure and specialized membranes in the afferent arteriole. The blood pressure in the glomerulus is maintained independent of factors that affect systemic blood pressure. The semi-leaky nature of the capillary walls in the glomerulus allows solutes to pass through easily. Solutes, except for larger particles such as proteins, pass through by passive diffusion, a process that requires no energy.
Furthermore, the Glomerular Filtration Rate (GFR) is a measurement of how well your kidneys are filtering wastes from your blood and is regulated by glomerular hydrostatic pressure among multiple other mechanisms. An understanding and analysis of the GFR value are crucial for understanding kidney function and diagnosing potential issues.
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Glutamate opens sodium gates, enabling sodium ions to enter the postsynaptic cell. what type of effect is this?â
Ionotropic effect
An ionotropic effect is a reaction that describes the effect of a neurotransmitter or hormone on a neural receptor. The presence of neurotransmitters or hormones activates or deactivates the ionotropic receptors in order to cause a depolarization or hyperpolarization which is positive or negative reactions.
nitrogen molecules in 1.4 moles of n2
Answer:
[tex]8.432 * 10^{23}[/tex] molecules
Explanation:
As per Avogadro's constant for atoms, one mole of an element/compound consists of [tex]6.023 * 10^{23}\\[/tex] atoms/molecules.
Thus, the number of molecules in “n” moles of an element and compound is equal to the product of number of moles of the element and compound and Avogadro's constant.
Thus, 1.4 moles of [tex]N_{2}[/tex] will have
[tex]1.4 * 6.023 * 10^{23}[/tex] molecules
[tex]= 8.432 * 10^{23}[/tex] molecules
draw the structure of ethanamine.
"emerging adults who manage their sleep patterns, monitor their food intake, and maintain a health weight are using ____________________ skills to promote their own health."