Answers
Answer: the answer is A
Explanation:
Related Questions
Amphibians change from a water-dwelling form to an adult form that usually lives on land near a body of water. Which specialized structures allow adult amphibian to live on land and still maintain its internal balance?
A. Tail
B. Fins
C. Lungs
D. Gills
Answers
Answer:
C: Lungs.
Explanation:
Answer:
lungs
Explanation:
Read the Craft and Structure notes, then read the poems in Collection 3. Following the directions listed on page 401 under "Writing to Sources" I want you to write a narrative and a lyric poem about an admirable person. Yes, I want both a narrative and a lyric poem about the same person. Do not forget to include the paragraph comparing your topic and style to one of the poems in the collection .
Answers
Answer:
Read the Craft and Structure notes, then read the poems in Collection 3. Following the directions listed on page 401 under "Writing to Sources" I want you to write a narrative and a lyric poem about an admirable person. Yes, I want both a narrative and a lyric poem about the same person. Do not forget to include the paragraph comparing your topic and style to one of the poems in the collection -- you can choose to examine either your narrative or lyric poem for this portion, but you do not have to do both.
This assignment is due by 3 p.m. Monday.
Explanation:
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label the internal anatomy of a finger.
Answers
1. How does a semiconductor behave at absolute zero?
a) Conductor
b) Insulator
c) Semiconductor
d) Protection device
Answers
Answer:
b.
Explanation:
It behaves like an insulator.
Answer:
b) insulator
Explanation:
a semiconductor has enough free electrons to allow it to conduct current. At or close to absolute zero a semiconductor behaves like an insulator.
Where does an action potential occur? Explain the process of what occurs inside the axon (the membrane) as the action potential is traveling down the axon.
Answers
the epigastric region is a portion of the cavity. multiple choice pelvic pleural vertebral abdominal
Answers
The epigastric region is a portion of the abdominal cavity.
The correct option is d.
The greatest hollow area in the body is the abdominal cavity. Its lower limit is the upper plane of the pelvic cavity, and its upper barrier is the diaphragm, a sheet of muscle and connective tissue that divides it from the chest cavity. The spinal column, as well as the abdomen and other muscles, encircle it vertically.
The epigastrium is the top portion of your abdomen that is immediately below your rib cage. The epigastrium houses your pancreas and the duodenum, a section of your small intestine. Additionally, your stomach and liver are partially located here.
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Big foot experiment #1 help!!!
Answers
Answer:
Explanation:
set up 10 trash cans. Put bananas in 9 of the trash cans. And apples in the other. If Bigfoot goes for the Apple trash can it can be confirmed that he likes the apples.
One half of a duplicated chromosome is called:
Telomere
Chromatid
Chromatin
Centromere
Answers
One half of a duplicated chromosome is called Chromatid. The correct option is B.
Thus, A chromatid is the name for the duplicated half of a chromosome. The chromosome is duplicated during DNA replication, creating two identical copies known as sister chromatids.
The centromere, a particular area, is what holds these sister chromatids together. A complete set of DNA molecules or genetic material can be found in each chromatid. During cell division, the sister chromatids split apart to form individual chromosomes, which are then dispersed to the daughter cells.
Contrarily, the telomeres are specialized structures found at the ends of chromosomes that aid in maintaining the DNA's integrity during replication and guard against deterioration.
Thus, One half of a duplicated chromosome is called Chromatid. The correct option is B.
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Mid-ocean ridges are places where tectonic plates are doing what?
1. Colliding
2. Sliding past each other
3. Spreading apart
4. none of the above
Answers
What does abiotic mean?
A. living
B. synthetic
C. non-living
D. polymer-based
Answers
Answer:
C
Explanation:
Non Living I Belive
Answer:
i think it is letter C
Explanation:
which is a true statement regarding metastasis? group of answer choices increased cell-to-cell adhesion helps metastasis. lack of proteases and collagenases aids in metastasis. cells must first escape the basement membrane of tissue. penetration of the basement membrane of the vessel occurs first.
Answers
The correct option is (C) cells must first escape the basement membrane of tissue.
The process through which cancer spreads is described as "metastasis."
What is metastatic cancer?Unlike normal cells, cancer cells have the ability to spread outside of the area of your body from which they originated. These conditions are referred to as metastatic cancer, advanced cancer, or Stage IV cancer. Tumor cells must first exit the basement membrane of the tissue of origin, migrate through the extracellular space, and then pierce the basement membrane of the vessel in order to reach the blood or lymphatic circulation.Metastatic cancer may occasionally be cured. However, for the majority of metastatic malignancies, medication can lessen symptoms while also slowing the spread of the disease. Even after the onset of metastatic disease, several cancer types can be managed for many months or even years.Learn more about the Metastasis with the help of the given link:
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Theres an old man needed your help but you are soo late in your work.What would you do?explain it briefly.
Answers
Answer:
I will help him first
Explanation:
because it's our duty to help elders .
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Which is not a function of cholesterol within the cell membrane?
Reduces permeability to some solutes
Reduces membrane fluidity
Prevents crystallisation of the membrane at low temperatures
Transports molecules across the cell membrane
Answers
Answer:
c
Explanation:
The function of cholesterol within the cell membrane maybe be many, but does not include the reduction in membrane fluidity .
The steric structure of the cholesterol in the cell membrane is such that:
it prevents freezing of the membrane when the temperature gets lowIt limits the permeability of some materialsit makes the membrane more fluid and stableit helps take up cholesterol from the surrounding environment into the cell, hence, helps with the transport of molecules.The correct answer as to which is not a function of cholesterol within the cell membrane would, therefore, be that it reduces membrane fluidity.
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SOMEONE PLEASE HELP ME WITH THIS PLEASE PLEASE PLEASEE!!!!!
Answers
Answer:
The answer is D
Explanation:
Answer:
The answer is A.
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Which of the following is not a function of skin?
Multiple Choice
Protection
Temperature regulation
Sensation
Vitamin B production
Excretion
Answers
Answer:
D. vitamins B production
Explanation:
It is synthesized by some bacteria in the gut microbiota in humans and other animals, but it has long been thought that humans cannot absorb this as it is made in the colon, downstream from the small intestine, where the absorption of most nutrients occurs. another name for vitamins B cobalamin.
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Answer: The skin doesn’t synthesize vitamin B only vitamin D.
Explanation:
The skin is responsible for protection of organ systems, muscles, tissues etc. It also is used to help regulate the body’s temperature to maintain homeostasis. Sensation is another function of the skin which helps to provide you with the sense of touch. Vitamin D production is also a function of the skin when you are exposed to sunlight, the sun synthesizes vitamin D. But the skin does not synthesize vitamin B. The skin is responsible for excretion through sweat.
What is the per capita growth rate of a population of 250, with 50 births and 80 deaths in a year?
Answers
what directs the action of every cell in your body
Answers
Answer:
the nucleus of the cell
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A order arrangement of properties is called
Answers
Answer:
its order of operations
What is the approximate length of the geologic time scale?
Answers
An increase in the membrane permeability for a solute will result in an increase in the driving force for diffusion of that solute through the membrane. True or false?.
Answers
A membrane's permeability has an impact on the diffusion rate. As membrane permeability increases, the diffusion rate rises.
The dispersion of materials is also impacted by changes in temperature and pressure values.The passive diffusion rate of penetrated molecules through the biomembrane can be used to quantify a membrane's permeability. It is well acknowledged that the permeability of any particular molecule depends mostly on its size, polarity, charge number, and molar mass.The capacity for materials to flow into and out of a membrane is known as permeability. The ease with which a chemical can diffuse across a cell membrane determines its permeability.Only chemicals that can dissolve in fat can typically pass through a cell membrane.The electrical potential gradient across the cell membrane and the concentration gradient of the permeant ion across the membrane together make up the net electrochemical driving force.Learn more about permeability here:
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cellular energy, most often in the form of atp, is required to move substances across cell membranes in which one of these processes?
Answers
Active Transport is the mechanism by which molecules are moved across cell membranes.
It requires cellular energy which most frequently is in the form of ATP.
What is Active Transport?
Active transport is the process of movement of substances from a lower concentration to a higher concentration, i.e., against the concentration gradient, with the expenditure of energy in the form of ATP. Active transport occurs against the concentration gradient while other transport processes like diffusion facilitated diffusion and osmosis occur along the concentration gradient and without the involvement of ATP.Thus, cellular energy is required in the process of active transport to move substances across cell membranes. And, ATP is the most frequently used energy in this process.
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Ecological succession are the natural gradual changes in the types of species that live in an area we may refer to ecological succession as either primary or secondary the graphic represents an example of primary succession which begins in an area that has no living organisms present. notice in the illustration the first organisms to inhabit the area undergoing succession are lichens and Moss. what a biotic feature restricts the growth of more diverse plants in this area.
Answers
Answer:
The lack of topsoil inhibits the growth of more diverse organisms in the region.
Explanation:
Following catastrophic or destructive events, primary succession occurs with the growth of the microorganisms. Here a non-habitable area is exploited by a colonizing organism. For instance, lichens and moss break down rock and decompose to add nutrients to sediment creating topsoil.
Ultimately, these make the environment more livable by nutrient cycling, weathering, etc., which ushers in secondary succession. Here over time, the cultures become more dynamic, more diverse and an ever-larger food web.
In the first stage of primary succession after there has been a volcanic eruption, the soil quality will be poor. Plants that are good soil formers, such as lichens and moss, will improve the soil. Over time, with increasing plant diversity, rich soil with humus will form that will improve water retention. Taller and more diverse plants will allow for more filtered sunlight and more moderate soil temperatures.
At what stage of human development would you expect to first see a beating heart?
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
Zygotic stage
(Choice B)
B
Blastocyst stage
(Choice C)
C
Embryonic stage
(Choice D)
D
Fetal stage
Answers
at what stage of human development wuold you exept to first see abeating heart? the answer is ç
The stage of human development that is expected to first see a beating heart is the embryonary stage (Option C).
The heart of an embryo starts beating at approximately week 5 of pregnancy.The first two weeks of human development after conception is called the germinal stage, whereas the stage of development lasting from the third until the eighth week of pregnancy is called the embryonic stage.This stage (embryonic stage) starts once the zygote is implanted in the uterine wall.In conclusion, the stage of human development that is first expected to see a beating heart is the embrionary stage (Option C is correct).
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The _____ of the amino acid has the greatest influence on the overall structure of a protein.
Answers
The amino acid's R group has the most impact on the entire protein structure.
Amino acids are tiny particles that serve as the foundation for proteins. Proteins provide structural support within the cell and participate in numerous critical chemical reactions. Each protein is a compound composed of various combinations of 20 different kinds of more straightforward, smaller amino acids. Protein molecules are three-dimensional chains of amino acids.
R groups come in various forms, sizes, reactivities, and charges. As a result, amino acids can be classified according to the chemical properties of their substituent groups.
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The effect of population distribution and density on the environment and natural resources is known as.
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The effect on the environment and the natural resources by population distribution and density is termed Carrying capacity.
Carrying capacity refers to a species' average population size in a particular habitat. The environment can regulate a species' population size by providing enough food, shelter, water, and mates. If these needs are not met, the population will decrease until the resource is replenished.
Population composition can be characterized by the pattern produced by age distribution and gender ratio at different scales and locales. The population's distribution and density both show the influence of demographic composition.
Hence, the effect of population on its environment is called as carrying capacity as this will tell us that for how long will the environment be able to sustain that population size.
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preclinical alternative model for analysis of porous scaffold biocompatibility applicable in bone tissue engineering
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A promising method for repairing critical-size bone lesions is the use of scaffolds with the proper porosity. For the creation and mending of bones, vasculization is necessary. In this study, chitosan and polyhydroxybutyrate (PHB)-based porous biopolymer scaffolds are used to evaluate angiogenesis.
What is Tissue engineering ?Using a combination of cells, engineering, materials techniques, and appropriate biochemical and physicochemical parameters, the biomedical engineering field of tissue engineering can repair, maintain, enhance, or replace several types of biological tissues.
Skin, cartilage, bone, heart valves, and bladder are just a few examples of tissue engineering that are now being used in therapeutic settings. Numerous further examples, including as artificial livers, pancreas, and blood arteries, are still being studied and tested on animals.Learn more about Tissue engineering here:
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If an atom has an atomic number of 16, the number of electrons it would
have in its outer most shell would be
Answers
Answer: PHOSPHORUS
Explanation:
The term atomic number, conventionally denoted by the symbol Z, indicates number of protons present in the nucleus of an atom, which is also equal to the number of electrons in an uncharged atom. The number of neutrons is represented by the neutron number (N)
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the capacity of a brain area to develop new neural pathways as it adjust to good and bad experinces is known as
Answers
The capacity of a brain area to develop new neural pathways as it adjust to good and bad experiences is known as Neuroplasticity.
Neuroplasticity also known as brain plasticity is defined as the ability of the nervous system to change its function and develop new pathways in response to new information.
Neuroplasticity is the changes that happen to the brain over the years. These changes depend on the new experiences which can be good or bad. It also depends on environmental influences, practice, and psychological stress.
Neuroplasticity play an important role for healthy development, learning, memory.
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The capacity of a brain area to develop new neural pathways as it adjusts to good and bad experiences is known as neuroplasticity
Neuroplasticity is a broad term related to the brain's capacity to alter, modify, and adapt its function and structure across people's lives and in response to stimuli.
Individual differences in brain function and structure contribute to the variability observed in neuroplasticity mechanisms, which also show significant differences across individuals. Indeed, a growing body of recent research indicates that the guidelines and mechanisms governing cortical plasticity seem more dynamic than previously thought.
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Match the zone to its characteristics.
I need help with this!
Answers
Explanation:
The answer to the question about matching the zone to its characteristics is shown below:
A. Intertropical convergence zone ---> Heavy precipitation, little wind
B. Two wind systems originate here -----> Horse latitude
C. Subpolar low ---> Convergence of westerlies and polar easterlies
The cell membrane has____. a) polar heads on the outside and nonpolar fatty acids on the inside b) nonpolar fatty acids on the outside and a polar heads on the inside c) polar heads on both inside and outside d) nonpolar fatty acids on both inside and outside
Answers
Answer:
a) polar heads on the outside and nonpolar fatty acids on the inside
Explanation:
The cell membrane is made up of phospholipids arranged in a bilayer, where hydrophilic polar (negatively-charged) heads of phospholipids interact with water molecules (i.e., aqueous surrounding media). Moreover, non-polar (uncharged) fatty acid tails are hydrophobic because they cannot be dissolved in water. Thus, the bilayer cell membrane is a structure where non-polar fatty acid chains are localized in the inner region (away from the water), while hydrophilic phosphate heads face outward, interacting with water on both sides of the cell membrane.