They can get a zoster hyperimmune globulin passive immunization.
Even after being infected to the virus, the varicella vaccination can be administered. Varicella immune globulin/VariZIG is another injection that can prevent you from contracting the disease temporarily if you are unable to receive the varicella vaccination. Varicella in immunocompromised individuals increases the risk of visceral dissemination (internal organ VZV infection), which can cause pneumonia, hepatitis, encephalopathy, as well as disseminated intravascular coagulopathy. Most of the time, once you've had chickenpox, you won't get it again.They can get a zoster hyperimmune globulin passive immunization. This is referred to as lifetime immunity. Rarely, though, does someone get it again. The way varicella-zoster antibody titers works is by supplying your body with the antibodies it requires to defend itself against the virus (VZV). This is referred to as passive defense.
(If an immunodeficient person is exposed to VZV and belongs to a non-immune population, how can that person be protected from developing chickenpox
* They can be actively immunized with the MMRV vaccine
* They can be passively immunized with the MMRV vaccine
* They can be passively immunized with zooster hyperimmune globulin
* They can not be protected at all- they will get the disease
* They can be given prophylactic antibotics)
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how does air pollution increases green house effect.explain?
FILL IN THE BLANK. macromolecules, the molecules of life, include all of the following except __________.
Answer:
trace elements
Explanation:
Macromolecules, the molecules of life, include all of the following except trace elements.
What is an example of positive feedback?
A. A herd of buffalo running away after one of them spots a lion.
B. A computer screen dimming when the battery gets low.
C. A pressure cooker valve opening to reduce the high pressure inside.
D. A thermostat switching on an air conditioner when the temperature gets too hot.
Answer:
A. A herd of buffalo running away after one of them spots a lion.
which organs and accessory structures are considered part of the upper gi tract? check all that apply.
Answer:
A. pharynx
B. duodenum
C. esophagus
D. stomach
Explanation:
suppose that the plasma membrane of a neuron has more k leak channels than na leak channels. what effect would this have on the resting membrane potential?
The resting plasma membrane would become more potential inside-positive as more Na+ ions leak into the cell and fewer K+ ions leak out, resulting in a net increase in the Na+ ion concentration in the cell.
A difference in voltage across the plasma membrane is produced by the selectivity of Na+ and K+ channels in the presence of concentration gradients. This voltage difference is essential for a number of biological processes, such as nerve concentration , muscle cell contraction, hormone secretion, and the regulation of osmotic concentration . The action potential's repolarization phase would be most impacted by blocking the sodium inactivation mechanism. The resting potential would remain unchanged. The action potential would merely have a longer duration than usual as the only effect.
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Which is Metaphase?
A
C
E
F
Metaphase is the phase when the chromosomes are located at the center of the cell so the answer is letter C.
Which term best describes a specially developed characteristic that enables an organism to live in a specific environment?
Adaptation is a specially developed characteristic that enables an organism to live in a specific environment.
What is adaptation?"Adaptation is the feature of an organism's behaviour or physical makeup that enhances the organism's capacity for survival in its environment."
Living things adjust to their environment to survive. This is so that they can live, thanks to unique characteristics. These unique characteristics have evolved as a result of gene mutation during evolution. These mutations aid in reproduction and survival and are passed down from generation to generation.
For living things to survive, adaptation is crucial. Animals that can't shift with their surroundings pass away. Genetic alterations have led to these adaptations. The altered genes are passed on to the next generation of animals by the survivors.
Examples:
Succulent plants, which store water in their short, thick stems and leaves, have evolved to thrive in this environment are the adaptation of the plants to survive in hot and dessert areas.The streamlined bodies of aquatic fish and mammals, the light bones of flying birds and mammals, the long dagger-like canine teeth of carnivores, and the long necks of giraffes for feeding in the tops of trees.To know more about Adaptation refer here:
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Q 2. In fruit flie, red eye (A) are dominant to black eye (a) and long wing are dominant to hort wing. Aume that a cro wa made between fruit flie of genotype AAbb (red-eyed with hort wing) and thoe of genotype aaBB (black eye with long wing). Give the Punnett quare for the expected F2 progeny (offpring) type
Red eyes are more prevalent than green eyes in fruit flies. AaBb x aabb would be the offspring of a cross between such a short-winged, green-eyed fly as well as a long-winged, red-eyed fly.
The parents are homogeneous for these recessive features because red eyes are dominant over green eyes and large wings were dominant over small wings. A short-winged, green-eyed parent's genotype is aabb, and a long-winged, red-eyed parent's genotype is AaBb.
Red-eyed and green-eyed offspring are produced in a ratio of 1:1, as are offspring with long and short wings. One dominant and one recessive offspring result from a cross involving heterozygous dominant & homozygous recessive genes. This indicates that the parent fly's large wings and red eyes are heterozygous for the color of the eye.
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a deficiency or impaired endogenous synthesis of tyrosine will most likely lead to low plasma levels of these hormones except:
A deficiency or impaired endogenous synthesis of tyrosine will most likely lead to low plasma levels of these hormones except Melatonin.
Tyrosine is a non-essential amino acid produced by the body from phenylalanine. It is necessary for the manufacture of several important brain chemicals known as neurotransmitters, such as epinephrine, norepinephrine, and dopamine.
Melatonin is a naturally occurring substance discovered in plants and animals. It is best known in animals as a hormone secreted by the pineal gland in the brain at night, and it has long been linked to the regulation of the sleep-wake cycle. Melatonin is a hormone produced by your brain in reaction to darkness. It aids in the timing of your circadian rhythms (24-hour internal clock) as well as your sleep. Light exposure at night can inhibit melatonin production. Melatonin stimulation causes tyrosine phosphorylation of a protein with a high molecular weight.
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contains the pigment, or eye color, and has a "hole" in the center called the pupil
Contains the pigment, or eye color, and has a "hole" in the center called the pupil is called the iris.
in general, sympathetic innervation of visceral organs via the lumbar and sacral splanchnic nerves inhibits the activity of these organs. this is logical because
The body is prepared to go into a resting state by sympathetic input.
Along with its opposite, the parasympathetic nervous system, the sympathetic nervous system is a component of the autonomic nervous system.
The origin of the sympathetic nervous system is found within the thoracic and lumbar regions of the spinal cord also known as the thoracolumbar division (T1 to L2,3).
The sympathetic nervous system is crucial for maintaining body balance while at rest and for triggering the "fight-or-flight" response in dangerous situations. To enable a sufficient reaction to a threat or trauma, the sympathetic system activates a number of intricate pathways.
Faster breathing, elevated heart rate and blood pressure, dilated pupils, diversion of blood flow to vital organs (such as the brain and muscles), and increased sweating are a few of these physical impacts.
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2. explain the role the environment plays in two of the options listed on the reproductive technology options. how would this affect what parents hoped they could achieve by altering genes?
Examples of ART include invitro fertilization (IVF), gamete intrafallopian transfer (GIFT), pronuclear fallopian tube transfer (PROST), fallopian tube embryo transfer (TET), and fertilized egg intrafallopian transfer (ZIFT).
Assisted reproductive technology (ART) is used to treat infertility. This includes fertility treatments that treat both eggs and sperm. It works by removing the egg from the ovary. The egg is then mixed with sperm to create an embryo. By this definition, ART includes all fertility treatments involving either oocytes or embryos. Generally, ART procedures involve surgically removing an egg from a woman's ovary, combining the egg with sperm in a laboratory, and either returning it to the woman's body or donating it to another woman. Unlike animal species that mostly rely on se-xual reproduction, some plants reproduce se-xually and others asexu-ally. Sexual reproduction in plants is usually dependent on pollinators, whereas ase-xual reproduction is independent of these pathogens.
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respiration involves the breakdown of sugar. this process results in the production of energy for the cell. assess the model to determine what gas must be present in order for cells to produce the most energy.
The gas that must be present in order for cells to produce the most energy is oxygen.
what is respiration?
Respiration can be best explained as a metabolic process that occur in living cells of an organism that gives energy (in the form of ATP) by taking in oxygen and releasing carbon dioxide from the oxidation of complex organic substances.
what is sugar?
sugar can be referred as a caloric, sweet-tasting compounds which is sucrose, a disaccharide, which compressed of two sugars (glucose and fructose) bound together.
what is oxygen?
Oxygen is simply a colourless, odourless, tasteless gas essential to living organisms.
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What type of cells are the pollen and ovules of the pea plant flower?
The pollen and ovules of the pea plant flower are haploid cells.
Pollen and ovules are both forms of gametophytes found in the pea plant flower. Pollen grains are haploid cells that are formed by male reproductive organs containing sperm cells. They are discharged into the air and then travel to the reproductive organs of the female. Ovules are haploid cells generated by the female reproductive organ and containing egg cells. When pollen grains come into contact with ovules, they can combine to produce a diploid cell that will eventually develop into a seed. Pollen and ovules carry distinct genetic material that is used to make the seed. This genetic material is a blend of both the male and female parent's genetic material, allowing for genetic variety.
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Explain how genetic information, along with an undertanding of the proce of decent with modification, enable cientit to recontruct phylogenie that extend hundred of million of year back in time
Genetic information, along with an understanding of the process of descent with modification, enable scientists to reconstruct phylogenies that extend hundreds of millions of years back in time. Phylogeny is the study of evolutionary relationships between species, and understanding these relationships is essential for understanding the history of life on Earth.
Comparative genetics is the primary tool used to reconstruct phylogenies. In this technique, scientists compare the genetic sequences of different organisms to determine how closely related they are. By looking at the similarities and differences in the genetic sequences of different species, scientists can trace the evolutionary relationships between them. For example, the genetic sequences of humans and chimpanzees are very similar, indicating that humans and chimpanzees share a common ancestor.
Scientists can also use the fossil record to reconstruct phylogenies. Fossils provide direct evidence of the evolutionary history of species, as they are the preserved remains of the organisms that lived in the past. By examining the fossil record, scientists can determine how long ago two species diverged from a common ancestor.
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how does Biventricular heart failure affect economics
Answer:
The annual cost of caring for a patient with HF is almost $30,000 in the United States. Citing American Heart Association data, the authors wrote that by 2030, HF costs in the United States are expected to be at least $70 billion per year by 2030, with the total cost of caring for HF patients approaching $160 billion The internet's words not mine but i think thats the answer
some paleoanthropologists claim that neandertals were inefficient hunters. identify the evidence that refutes this hypothesis.
Both Neandertals and modern Homo sapiens exhibit the same frequency of food stress, as indicated by bone growth. Stable isotope analysis indicates that Neandertals consumed meat at about the same level as contemporary carnivores.
What are the characteristic features of homo sapiens ?The humans or homo sapiens climbed trees and walked on the ground and the flexibility help to get around in a large habitats and cooperate with changing environment.
These human show Bipedalism Standing Up and Walking, Immaturity and its Consequences, dexterity, language and person hood.
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Which of the following correctly describes the members of the foraminiferans and radiolarians?
a) They can live in either fresh or saltwater.
b) They do not divide by mitosis.
c)They secrete shells.
Foraminiferans and radiolarians secrete shells option 'C'
what is Foraminiferans?
Foraminifera are seen as an amoeba-like, single-celled protists (very simple micro-organisms) with shells or tests which inhabit the photic zone often live symbiotically with photosynthesizing orgasm like algae.
What is radiolarians?
The Radiolaria, also referred as Radiozoa, are protozoa like of single-celled protistan marine organisms of diameter 0.1–0.2 mm that produce intricate mineral skeletons, typically with a central capsule and they are holoplanktonic protozoa and form part of the zooplankton basically dwell in open-ocean locations
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the removal of water and solute molecules from the filtrate after it enters the renal tube is called
The removal of water and solute molecules from the filtrate after it enters the renal tube is called reabsorption.
In the kidney, reabsorption is the movement of water and solute molecules from the tubule back into the bloodstream. It specifically occurs in the proximal part of the tubule. The reabsorption happens using both secondary active transport and isotonically.
Reabsorption allows various useful solutes (such as amino acids and glucose), salt, and water that already passed Bowman's capsule to return into the body's circulation instead of being thrown away as waste via urine. The result is urine that is composed mainly of water, dissolved salts and ions, and waste like ammonia, uric acid, and creatinine.
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Most sympathetic effector junctions release norepinephrine but a significant number release acetylcholine instead. Which of these is an example of an organ of the cholinergic type?
A) the heart
B) a blood vessel in the skin
C) a sweat gland
D) the liver
E) the salivary glands
(C) a sweat gland
SWEAT GLAND
A sweat gland is present on the skin in the form of small tubules.Also known as sudoriferous or sudoriparous glands.It is an exocrine gland.WHAT IS CHOLINERGIC?
It is the term used for acetylcholine.Acetylcholine is the neurotransmitter, secreted by pre and post ganglions neurons.There are two kinds of cholinergic receptors:1. Nicotinic cholinergic receptors: both nicotine and acetylcholine can attach to these receptors.
2. Muscarinic cholinergic receptors: both muscarinic and acetylcholine can attach to these receptors.
Hence, these receptors increase the signal transduction rate hence, the secretion of sweat is controlled.To learn more about cholinergic from the given link:
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How do the carnivorous plants, parasitic plants, and epiphytes adapt to their habitats and obtain nutrients?
A sticky gland that releases honey at the tip of each trichome makes it ideal for luring and catching animals. The trichomes wrap around after an insect is caught, and digestive enzymes begin to work to remove nutrients.
What happens if you give carnivorous plants tap water?The salts and chemicals in tap water (also called Total Dissolved Solids or TDS). While these salts and compounds are safe for humans, some of them can affect delicate carnivorous plants, leading to root burn, leaf brown, wilting, and eventually death of the plant.
What drawbacks do carnivorous plants have?Carnivorous plants often respond poorly to nutrient addition to their habitat due to their impaired competitive abilities, being quickly left in the dust by plants that flourish in richer circumstances.
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__________ is a restriction enzyme. ____________ is dna. pBR322, calf thymus DNA
EcoRI, BamHI
EcoRI, pBR322
RNA, EcoRI
EcoRI is a restriction enzyme. PBR322 is DNA.
RNA can not be a restriction enzyme. PBR322 is a cloning vector or it's a plasmid. While EcoRI is a restriction enzyme that stick the DNA double helices into fractions at specific spots.
Now looking into the alternate question the answer will be either BamHI or pBR322. BamHI is a restriction endonuclease enzyme just like EcoRI. Then the answer is pBR322. it's a plasmid cloning vector in Ecoli and the plasmid itself is a DNA beachfront.
That's the reason why we occasionally denotes plasmid as vector DNA. shin thymus DNA is a double stranded DNA uprooted from manlyand womanish shin thymus towel.
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Prokaryotic cells are ___ and do not have a nucleus.
Answer:
unicellular
Explanation:
Prokaryotic cells are unicellular and do not have a nucleus
in eukaryotic cells, the processes of protein synthesis occur in different cellular locations.
a. formation of ribosomal subunits
b. attachment of an amino acid to tRNA
c. translation of cytoplasmic proteins
d. transcription and RNA processing
e. transcription and RNA processing
The processes of protein synthesis occur in the following locations :-
a. formation of ribosomal subunits.
b. attachment of an amino acid to RNA.
c. translation of cytoplasmic proteins.
d. transcription and RNA processing.
e. translation of secreted proteins.
Cells utilize the genetic information contained in DNA as a living library of instructions to carry out life's essential tasks. In each cell, catalysts look for the relevant information in this library and use it to create new proteins that make up the cell's structures, drive its biochemical processes, and are occasionally produced for export. Although the genetic code in every cell of a multicellular creature is the same, functionally distinct cells within the organism use diverse sets of catalysts to express only particular parts of these instructions in order to carry out the duties of life.
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you sample a population of crabs and find that 40% are homozygous dominant, 50% are heterozygous, and 10% are homozygous recessive. what is the frequency of p in this population?
By Hardy- Weinberg equilibrium the frequency of p is 0.4.
The Hardy-Weinberg equilibrium is a principle stating that the genetic variation in a population will remain constant from one generation to the next in the absence of disturbing factors.
The Hardy-Weinberg Equilibrium is an important fundamental principal of population genetics, which states that genotype frequencies in a population remain constant between generations in the absence of disturbance by outside factors.
For populations in the Hardy-Weinberg equilibrium, the equation connects allele frequencies to genotype frequencies. This equation allows us to compare a population's genetic structure in reality over time to the expected genetic structure if the population were in Hardy-Weinberg equilibrium.
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what is the probability of albinism in the offspring of a cross between two mice with aabb alleles?
The probability of albinism in the offspring of a cross between two mice with aabb alleles is 0%. Albinism is a genetic condition characterized by the absence of pigment in the skin, hair, and eyes. It is caused by mutations in genes that produce the pigment melanin.
In the cross between two mice with aabb alleles, all of the offspring will be heterozygous (Aa) for the trait that determines the production of melanin. Heterozygotes (Aa) produce some melanin and are not albino. Therefore, none of the offspring of this cross will be albino. In summary, the probability of albinism in the offspring of a cross between two mice with aabb alleles is 0%.
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2. Finish the Punnett square showing a pink (RW) flower crossed with a red (RR) one.
Answer:
Explanation:
Here is a completed Punnett square showing a cross between a pink (RW) flower and a red (RR) one:
REFER TO IMAGE
In this cross, the pink flower is heterozygous for the trait, with one dominant allele (R) and one recessive allele (W). The red flower is homozygous dominant, with two copies of the dominant allele (RR).
The Punnett square shows that the offspring of this cross will have a 50% chance of inheriting the dominant allele from each parent and being red (RR), and a 50% chance of inheriting one dominant allele and one recessive allele and being pink (RW). There is no chance that any of the offspring will be white (WW), as this is a recessive trait and both parents have at least one dominant allele.
Meiosis occurs in which of the following? a. diploid cells b. haploid cells c. mostly haploid cells but occasionally diploid cells d. mosty diploid cells but occasionally haploid cells
Answer: a. diploid cells
Explanation: Meiosis begins in a germ cell (2n; diploid), which then goes through two cell divisions resulting in 1n; haploid cells (gametes). Mitosis also begins with a 2n; diploid cell.
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Which of the following statements are true about asexual reproduction :
a) There is no involvement of gametes.
b) One living organism divides and produces two identical species.
c) Budding, fission, spore formation are some examples for asexual reproduction.
A) a and b are true
B) b and c are true
C) a and c are true
D) a,b and c are true
Answer:
A and B are true
Explanation:
Asexual ReproductionWhat type of energy i the chemical energy that tably hold electron together in orbital of electron cloudd
The term "energy of orbitals" refers to either the energy generated when an electron is added from infinity to an orbital or the energy needed to carry an electron already present in that orbital to infinity.
What is the substance that binds atoms collectively?
The energy held in the bonds tying atoms and molecules together is known as chemical energy. Examples include food, fuel, and the energy held in a battery's chemical components. The energy that an atom's nucleus stores and uses to keep itself together is known as NUCLEAR ENERGY.
In an electron cloud, how do electrons move?
According to this idea, the negative electrons orbit the positive nucleus a predetermined distance away. Erwin Schrödinger hypothesized in the 1920s that electrons move in waves, making it impossible to pinpoint their precise positions.
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