True, The term "cranial" refers to the protective membranes that enclose, support, and divide various portions of the brain.
What exactly are cranial meninges?The meninges, a collection of connective tissue membranes that surround the CNS's outer shell, support, shield, and separate the brain.
A powerful protective coating covering the entire brain, the dura mater is a dense layer of fibrous tissue. It is fastened to the spinal cavity and cranium's inner surface. A thin membrane of fibrous tissue called the arachnoid mater forms a loose sac surrounding the brain. The term "subarachnoid space" refers to the area below the arachnoid mater where arachnoid trabeculae, a thin, filamentous mesh that resembles a spider web, give this layer its name.
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Select the correct answer.
If both parents have blue eyes, their offspring will automatically have blue eyes.
O A. True
О в. False
What three things might influence a slide when conditions are right what types of material can make up a flow
Three factors that can affect the conditions that force sliding are friction, weight, and area gradient.
What is friction?Friction is the force that resists relative motion as elements of solid surfaces, fluid layers, and materials slide over each other. There are many types of friction. It is the force that opposes the relative lateral movement of two solid surfaces in contact. This is the force that resists the movement of one solid object over another. Four types of friction: static friction, sliding friction, rolling friction, fluid friction.
Adhesion is the molecular force that occurs when two materials come into close contact and cause friction.
The friction of a moving body is proportional to the force in the vertical direction, vertical. The friction experienced by an object depends on the type of surface it is in contact with. Friction does not depend on contact area as long as there is contact area.
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what is the most likely explanation for the very low fecundity of species such as whales, humans, and elephants?
The most likely explanation for the very low fecundity of species such as whales, humans, and elephants is the high investment in parental care, which is a distinctive feature of K-selected species (Option C).
What are ecologically K selected species?Ecologically K selected species such as humans and elephants are those that invest many of their energies in parental care of small offspring amount, which is a reproductive strategy to have success in a very competitive environment.
Conversely, R species have many offspring and they are characterized to invest low amounts of time in parental care.
Therefore, with this data, we can see that ecological K-selected species are those that have a small number of offspring and their strategy is to maximize parental care.
Complete question:
What is the most likely explanation for the very low fecundity of species such as whales, humans, and elephants?
a. Low probability of offspring survival
b. Density-dependence
c. High investment in parental care
d. High mobility
e. All of the above
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Arrange the reservoirs in the order of increasing residence time for a molecule of water.
According to the levels of processing theory, memory durability depends on the depth at which information is __________.
Question options:
a) encoded.
b) retrieved.
c) stored.
d) consolidated.
According to the levels of processing theory, memory durability depends on the depth at which information is encoded (Option A).
What are the levels of the processing theory?The levels of the processing theory indicate how the process of repetition is associated with long-lasting memory, which is indicative of the way in which information can be stored in the brain as an association.
Therefore, with this data, we can see that the levels of the processing theory show how memory functions and thus stores remember in the brain.
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Don’t mind the drawing
Tall green will be 9, tall yellow will be 3,short green will be 3,short yellow will be 1.
What is a dihybrid cross?The two features of two people regulated by two different genes are called a dihybrid cross. A dihybrid cross is made up of two people who have two features that are regulated by two different genes. Gregor Mendel's observation of pea plants that were either round or wrinkled, yellow or green, gave rise to the concept of a dihybrid cross. When On the cross of two heterozygous people we can predict the genotypic and phenotypic ratios of the offspring’s . Crossing heterozygous parents would result in an estimated phenotypic ratio of 9:3:3:1, meaning that 9/16 of the individuals have the dominant phenotype for both traits, 3/16 have the dominant phenotype for one trait, 3/16 have the dominant phenotype for the other trait, and 1/16 have the recessive phenotype for both traits,Only applies to sexually reproducing organisms like angiosperms. The components of the predicted phenotypic ratio of 9:3:3:1 are as follows:
The number 9 denotes the percentage of people who exhibit both dominant traits: 1 RRYY, 2 RRYY, 2 RrYY, and 4 RRYY The first three people are those who exhibit the first dominant trait and the second recessive trait, respectively: 1 RRyy plus 2 RRyythe second three are those who exhibit both the first dominant and second recessive traits: 1xrrYY plus 2xrrYyThe homozygote, represented by the number 1, exhibits both recessive traits: 1 x rryyIn the illustration on the right, heterozygous F1 offspring for both R and Y are produced by the RRYY/rryy parents (RrYy). The following scenario uses a pea plant seed as an example.F1Gametes
F1 Gametes
RY Ry rY ry
RY RRYY RRYy RrYY RrYy
Ry RRYy RRyy RrYy Rryy
rY RrYY RrYy rrYY rrYy
ry RrYy Rryy rrYy rryy
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02.03 Water Quality Virtual Lab Worksheet
Describe how a pollutant dissolved in surface water can enter an aquifer. Be sure to include the water cycle's and groundwater's roles in this pollution.
Help Fast!
When a pollutant is present in soil and rain falls, the pollutant dissolves in rainwater. The rainwater then seeps underground and then enters the aquifer.
What are aquifers?Aquifers are underground water stores that are formed from permeable rocks that are saturated with water.
Aquifers serve as water sources for humans.
When rain falls, water permeates the earth and is stored in aquifers.
Pollutants are substances that when present in a substance or the environment, make the substance or environment unfit for use.
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Which of the following is not a type of cell?
Group of answer choices
A. protein cell
B. blood cell
C. skin cell
D. nerve cell
Answer: A. protein cell
Explanation: blood cells, skin cells, and nerve cells are all parts of your body. However, proteins make up your cells, they are not actually your cells.
The phenotypic ratio of the f2 generation of the dihybrid cross in mendel’s experiment with pea plant was.
Mendel found that his dihybrid cross's F2 offspring had a 9:3:3:1 ratio and produced nine plants with round, yellow seeds, three plants with round, green seeds, three plants with wrinkled, yellow seeds, and one plant with wrinkled, green seeds.
What does an F2 phenotypic ratio of 12 3 1 mean?The dihybrid produces three phenotypes in a 12:3:1 ratio when selfed. This ratio's calculation is described in the following table. Dominant epistasis is the term used to describe the sort of interaction where the presence of the dominant W allele obscures the effects of either the G or g gene.
In Mendel's experiment, what was the phenotypic ratio of the F2 generation?Mendel regularly noticed traits in the F2 generation of monohybrid offspring In the F2 generation, there were three plants with the dominant phenotype and one plant with the recessive phenotype (3:1 phenotype ratio).
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Why does angiogenesis impair vision?
Excessive vascular growth contributes to numerous disorders, and the list is growing rapidly. Cancer, arthritis, psoriasis, and blinding retinopathy are already known disorders associated with excess angiogenesis.
What is angiogenesis?Angiogenesis is how the body forms new blood vessels. This is a normal part of growth and healing. But sometimes angiogenesis can play a role in diseases such as cancer. To grow, a tumor needs nutrients and oxygen from your blood.
Moreover, the ocular angiogenesis is related to a broad spectrum of disorders such as wet age-related macular degeneration (AMD), diabetic retinopathy, retinal artery or vein occlusion, retinopathy of prematurity (ROP), neovascular glaucoma, and corneal neovascularization secondary to infectious or inflammatory processes.
Therefore, if some tissues aren't receiving enough oxygen (hypoxia), cells in the affected area send out chemical signals that cause angiogenesis to begin.
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Which hormones help the body resist stress and make stored nutrients available to prepare the body for action?.
The hormones helping the body resist stress and make nutrients available to prepare the body for action are called corticosteroids.
What are hormones and what hormones help body resist stress and make stored nutrients available to prepare the body for action?Hormones are the body's chemical messengers that are released by the glands of endocrine system maintaining bodily functions.Cortisol is called the stress hormone which is released under stress condition of the body and mind.The hormones which helps body resisting stress is called corticosteroid hormones .Hormones have the base function which acts as a messenger that is it carries neural messages from one part of the body to another part of the body.Hence corticosteroids are the hormones resisting stress in the human body.To know more about hormones visit:
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Which of the following groups of
animals could be found in the tundra?
A. bison, longhorns, burrowing animals, birds that nest
on the ground, and foxes
B. lions, rhinoceros, giraffes, and elephants
C. deer, fruit-eating birds, lizards, and snakes
D. migratory animals, oxen, caribou, and artic foxes
Which process changes a chlorine atom into a negative chloride ion?
A) proton gain
B) electron loss
C) electron gain
D) proton loss
The process that will change a chloride atom into a negative chloride ion will be (C) electron gain.
Chloride ion is the negatively charges ion that forms due to the gain of one electron in the neutral chloride atom. It can also be called anion due to its negative charge. Chloride anion forms an essential electrolyte in the human body that is required for maintaining the osmotic balance.
Electron is a negatively charged sub-atomic particle that makes up an atom. It surrounds the nucleus of the atom giving a cloud like appearance. The charge than an electron carries within it is 1.60 × 10⁻¹⁹ coulombs. The electron can be bound to the atom or occur in free state.
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In the movement of small molecules across a lipid bilayer, the permeability coefficient can be correlated with.
In the movement of small molecules across a lipid bilayer the permeability coefficient can be correlated with the solubility of the molecule in a nonpolar solvent.
Non-polar molecules dissolve in the phospholipid region of the cell membrane and pass without the need for additional protein transporters. Small hydrophobic molecules and gases such as oxygen and carbon dioxide pass quickly through the membrane. Small polar molecules like water and ethanol can also pass through the membrane, but more slowly.
A conformational change in the channel moves the second-site potassium ion away from the protein. When a second potassium ion binds to the first site, electrostatic repulsion occurs and helps dislodge the potassium ion from the second site. Permeability decreases with charged or larger molecules. The structural features of these molecules do not affect membrane fluidity. Expression of permeability of molecules across membranes based on molecular size and charge.
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Place the labels in the correct area for the equation for photosynthesis
6CO2+6H2O----- C6H12O6+6O2
Reactants Products
At the synapse, information is transmitted from one neuron to another via what kind of messengers?.
Answer: Neurotransmitters
Explanation: Neurotransmitters carry their information from the pre-synaptic neuron to the post-synaptic receiving cell.
During osmosis, the semi-permeable membrane is one that:
A. does not allow any particles to pass through.
B. allows only very small particles or water through.
C. allows only very large particles through.
D. decides what particles to let through based on cell signals.
During osmosis, the semi-permeable membrane is one that: (B) allows only very small particles or water through.
Osmosis is the process of movement of solvent molecules from their area of high concentration to the area of low concentration through a semi-permeable membrane. This process does not require any energy for the movement of solvent. This phenomenon is applied during the dialysis of blood.
Semi-permeable membrane (SPM) is a fine partition either natural or synthetic that allows the movement of solvent molecules only through it. The example of natural SPM is cellulose, egg membrane, etc. and of synthetic SPM is cellophane.
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A mutation that knocked out the proofreading function of dna polymerase would result in __________.
A mutation that knocked out the proofreading function of DNA polymerase would result in a higher-than-normal rate of DNA synthesis errors.
What do you mean by mutation?The entire human species shares the same genes. Alleles, which are small variations of the same gene, are produced via mutation. Every person is different due to these minute variations in DNA sequence. They explain the variety in human height, form, behavior, skin color, hair color, and susceptibility to disease that we observe. Other species' individuals differ from one another in terms of both appearance and behavior.
Genetic diversity is advantageous because it aids in the evolution of populations. The next generation inherits variations that assist an organism live and procreate. Variations that make it difficult for individuals to survive and procreate are removed. Natural selection has the power to drastically alter an individual's physiology, behavior, or outward appearance in a group.
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PLEASE HELP!!!!! I WILL GIVE POINTS
The location of transcription is nucleus, it is the conversion of DNA to m-RNA and it occurs first in the sequence. The location of translation is ribosome, it is the conversion of m-RNA to protein and it occurs later in the sequence.
Ribosome is a nucleoprotein. It is a machinery designated for the synthesis of protein. The ribosome can be found freely lying on the cytoplasm or it can be attached to the wall of ER forming the rough ER. There are two subunits of ribosome: a smaller subunit and a larger subunit.
m-RNA stands for messenger RNA. It is the coding RNA that carries the information of DNA and encodes it for the synthesis of protein. m-RNA is a single-stranded molecule.
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If the haploid number of an organism is 5, then each dividing diploid cell will have how many chromatids at mitotic metaphase?.
20 diploids chromatids will be present at mitotic metaphase.
What are haploid and diploid chromatids?Cells that enter meiosis II are cells that were produced in meiosis I. These cells are haploid and have only one chromosome from each homologous pair, but their chromosomes still consist of two sister chromatids. In meiosis II, sister chromatids separate to form haploid cells with non-overlapping chromosomes.
Two separate sets of chromosomes (daughter chromosomes) are formed by separating pairs of chromatids during cell division (from anaphase of mitosis and anaphase of meiosis II). A term for cells or organisms of which there is only one set (n).
A cell that contains two copies of each chromosome is called a "diploid cell." Human cells are diploid: It contains 46 chromosomes, 22 pairs of autosomes, and 1 pair of sex chromosomes.
Haploid = 1 chromosome;
Diploid = 1 chromatid
5 haploids = 10 diploids
Chromosomes are duplicating in metaphase,
So 10 x 2 = 20 diploids (chromatids)
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What is signal hypothesis occuring in endoplasmic reticulum?
Answer:
What happen in endoplasmic reticulum is the process of protein synthesis, which happens in the rough endoplasmic reticulum. Meanwhile, what happens to the smooth endoplasmic reticulum plays a role in metabolic processes of lipid synthesis, carbohydrate metabolism, calcium ion storage, and detoxification of drugs and toxins.
Explanation:
Endoplasmic reticulum is an organelle (a kind of organ) that is part of eukaryotic cells and has a very important role. The function of the endoplasmic reticulum is to produce, process, as well as transport transmembrane proteins and lipids for cell membranes and various other cell components.
The endoplasmic reticulum consists of the nuclear envelope and the periphery of the reticulum. The peripheral reticulum is divided into smooth endoplasmic reticulum and rough endoplasmic reticulum.
What happens in the rough endoplasmic reticulum is the process of protein synthesis, namely the process of protein formation through transcription and translation mechanisms. Meanwhile, what occurs in the smooth endoplasmic reticulum or smooth endoplasmic reticulum plays a role in the metabolic processes of lipid synthesis, carbohydrate metabolism, calcium ion storage, and detoxification of drugs and toxins.
Which of the following is NOT a function of a glycocalyx? a. It allows bacteria to stick to a host or the environment
b. Biofim formation
c. It forms pseudopodia for mobility
d. It can protect a bacterial cell from drying out
When you drink too much water and get water intoxication why would doctors give you a sodium IV solution? (explain scientifically)
Answer:
Let me attempt to answer your question
Drinking too much water would mean that more water would be absorbed and end up in the intracellular compartment. The chief ion extracellularly is Sodium,which is "water-loving"
The doctors give a sodium IV solution (hypertonic) so that there would be more sodium extracellularly to extract water from the intracellular compartment from where water can be more easily excreted.
Where is a hormone's site of action?
A. Plasma membrane receptor proteins
B. Cytoplasm within Gap junctions
C. Pituitary gland
D. Synaptic cleft
Answer:
C.
Explanation:
Growth hormone is required for growth of muscles and bones. Thus, they are the target sites for growth hormone. It is produced by the pituitary gland. It governs the height, bone length and muscle growth.
the conservation
of matter principle.
1. 4P + 50₂ P4010
a. Does the equation above support the conservation of matter? Explain your
answer.
A fundamental tenet of classical physics is the law of conservation of matter, which states that matter cannot be created or destroyed in an isolated system but can only change its form.
What is the Law of Conservation of Matter?A law is a broad statement that explains a lot of observations in science. A law must be repeatedly tested in various scenarios before it is accepted. Since laws are generally regarded as being unbreakable, they are the highest form of scientific knowledge. The fundamental building blocks of science are laws.The law of conservation of matter is one scientific principle that lays the groundwork for comprehension in the field of chemistry. The amount of matter in any system that is closed to the transfer of matter (in and out) remains constant, according to this statement. The amount of matter in a system is conserved, which is a succinct way of expressing this law.To Learn more About conservation of matter refer to :
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How could you observe evidence of the cycling of water in a terrarium?
Answer:
When you set your terrarium in the sun the water inside the terrarium will heat up and turn into water vapor in the air. This is called evaporation. When the water cools back down, it turns back into a liquid. You will see condensation water droplets sticking to the lid of your terrarium.
Explanation:
Coactivation is a phenomenon in which contraction of an agonist muscle leads to _______ in the antagonist muscle.
Coactivation is a slight increase in activity in a muscle that is not contracting in opposition to a stronger muscle. It's conceivable that coactivation of opposing muscles helps to stabilize joints. most likely to stabilize the joint.
The simultaneous contraction of agonist and antagonist muscles (also known as synergist muscles) around a joint results in muscular coactivation, which stabilizes the joint. Due to the simultaneous contraction of two muscle groups, it is also referred to as a muscular contraction.The simultaneous activation of agonist and antagonist muscles is known as muscle coactivation or contraction. It is thought to be a crucial motor control technique to increase joint stability and movement precision.
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Suppose you discovered a mutation in sea urchins that caused them to produce eggs with an overly dense vitelline envelope. What would you expect to see if you combined these eggs with normal sperm?.
If you combined these eggs with normal sperm, you would expect to see lower fertilization rates and lower embryonic development rates.
The vitelline envelope is a membrane that surrounds the egg and provides nutrients and protection. If the envelope is too dense, it will be more difficult for sperm to penetrate and fertilize the egg. Additionally, the embryo may have difficulty developing properly if the envelope is too dense.
The dense vitelline envelope would make it more difficult for the sperm to penetrate the egg and fertilize it. Even if fertilization did occur, the dense vitelline envelope would make it more difficult for the embryo to develop and survive.
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Which hormones help the body resist stress and make stored nutrients available to prepare the body for action?.
Answer: cortisol
Explanation:
What are the negative aspects of monoculture (e.g. an area only planted with palm rather than a
forest with diversity)? Select all that apply.
The negative aspects of monoculture (e.g. an area only planted with palm rather than a forest with diversity) is:
prone to pests and disease; option BWhat is monoculture?Monoculture is an agricultural method in which only one type o crop is planted in a given area of land.
Monoculture is used mostly in large-scale farming where a large amount of one type of crop is reared in a large area of land.
There are some advantages as well as disadvantages of monoculture.
The advantages of monoculture include:
increases efficiency in planting and harvesting,lowers the costs of production for farmers,allows farmers to use farm machineryresults in higher yieldsThe disadvantages of monoculture include:
it destroys soil nutrients due to a lack of diversityresults in the use of harmful chemicalspollutes groundwater supplies due to the use of chemicalscrops are prone to pests and diseasesLearn more about monoculture at: https://brainly.com/question/5306825
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Complete question:
What are the negative aspects of monoculture (e.g. an area only planted with palm rather than a forest with diversity)?
Select all that apply.
improves crop yield
prone to pests and disease
results in diversity
results in increase soil fertility
