The Cas9 endonuclease, that breaks both strands of the DNA within the target sequence, and Cas9 is also bound to the CRISPR RNA molecule.
Cell components like nucleus and other membrane-bound organelles are found in the cells of eukaryotes, which are creatures. All mammals, plants, fungi, protists, and the majority of algae are categorized under eukaryotic organisms, as are many other types of life. Single cells or many cells can make up eukaryotes organisms.
Except mitochondria and the Golgi apparatus, eukaryotic cells generally have other membrane-bound organelles. Both algae and plants consists chloroplasts. Organelles that are primitive may be present in the prokaryotic cells.
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The current decline of amphibian populations worldwide has been linked to a ________ fungus.
The current decline of amphibian populations worldwide has been linked to a chytrid fungus.
Chytridiomycosis is an infectious disease in amphibians, caused by the chytrid fungi . Growth of the fungus leads to degradation of the keratin layer, which gradually effects by sloughing the skin, lethargy, weight loss, and potentially death.
Other forms of transmission are currently unknown but in general, chytridiomycosis is postulated to be transmitted through direct contact of hosts or through an intermediate host. Fungus also reproduces via sporangia, and are known to be spread by movement of flagellated zoospores, when they come in contact to host .
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if frog eggs taken from a freshwater pond are placed in a saltwater aquarium, what will most likely happen?
in the general population, 1 in 300 individuals is a carrier for tay-sachs disease, while 1 in 30 individuals of ashkenazi jew descent are carriers. tay-sachs also affects 1 in 30 individuals with french-canadian ancestry, although two completely unique mutations are responsible for the ashkenazi and french-canadian mutations.
Due to a greater frequency of three Tay Sachs disease mutations in this community, Ashkenazi Jews have a higher chance of developing the disease.
Who is most likely to have Tay-Sachs disease?Anyone can carry the Tay-Sachs disease. But those of Ashkenazi Jewish descent are the group most likely to contract the illness. One in every 27 individuals of the population possesses the Tay-Sachs gene. Tay-Sachs is split into infantile, juvenile, and adult variants, based on the symptoms and when they first show.
With each pregnancy, there is a 25% chance that two carrier parents will transfer the mutated gene and result in an afflicted kid. With each pregnancy, there is a 50% chance that the kid will carry the same gene as one of the parents.
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what form, the larvae or the adult, disperses new individuals in flying insects that exhibit complete metamorphosis
the grownup. A species with a large geographic range is more likely to withstand environmental threats.
what is species?A group of organisms called a "species" are those that are made up of individuals with comparable characteristics and are able to interbreed or exchange genes. The most fundamental unit of taxonomic classification and rank in biology is the species. On the scale of biological categorization, a genus is the next taxonomic rank.
Which eight species categories are there?How did these ancestors of the human race compare with one another and how did they differ? Homo soloensis, Homo placental mammal, Homo following responses, Homo rudolfensis, Homo hominids, Homo erectus, Homo ergaster, etc Homo sapiens were the different species of humans. Only one of these eight types of humans has persisted: Human beings, e.g.
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The muscle group that helps the prime movers and protects from unwanted movements are known as.
The muscle group that helps the prime movers and protects from unwanted movements are known as Synergists.
Synergists are muscles that assist the prime mover in its role. Synergists help prime movers by adding a little extra force to the same movement or else by reducing unnecessary movements that might occur as the prime mover contracts. Synergistic muscle groups help prevent instability or unwanted movements.
Synergists muscle contract at the same time as the prime mover. They helps to hold the body in position so that the prime mover can work smoothly.
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gender structures social relationships between people unequally. this is a statement that would be supported by which group?
Social interactions between people are structured differently based on gender. This sentence serves as an illustration of the feminist stance on gender.
Feminism is the term used to describe the advocacy of women's rights on the grounds of gender equality. In our open step, experts explain gender equality. introduction to gender inequality implies that everyone, regardless of gender identity, is entitled to the same respect, rights, and opportunities. In order to completely attain gender equality in both theory and practice, feminism generally attempts to remove feminist , exploitation, and oppression.
Gender equality reduces violence against women and girls. It is essential for the economy to expand. Societies that treat women and men equally are safer and better. The equality of genders is a fundamental human right.
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each chromosome in this homologous pair possesses a different allele for flower color. which statement about this homologous pair of chromosomes is correct?
The correct statement is the homologous chromosomes represent the maternal and paternal chromosomes.
These chromosomes represent maternal and the chromosomal pattern indicates the presence of two chromosomes. This represents the two sets of conversion materials used by Gan. From these descriptions, the chromosome composed of these two chromosomes is the chromosome in genetics, the SLAM model, we call the maternal chromosome, and the chromosome inherited from the father is called the paternal chromosome. So this is still a chromosome and colored. They are formed by DNA replication and non-systems, not Tacoma nonsense.
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Which action is taking place at the apical meristem of a plant stem?
A. Mature cells differentiate into specialized cells.
B. The plant's oldest cells rapidly divide to extend the stem.
C. A cluster of tiny, unspecialized cells continuously divide.
D. Cells die off and form a barrier that protects new cells.
Answer: C
Explanation: The apical meristem is a region at the tip of a plant's stem or root that contains a cluster of tiny, unspecialized cells called meristematic cells. These cells are capable of dividing rapidly, allowing the plant to grow in length. As the cells at the tip of the stem or root differentiate and mature, they become specialized for different functions, such as photosynthesis or support. The apical meristem is responsible for the primary growth of a plant, which is the growth in length that occurs during its early stages of development.
Which is TRUE regarding the Yellowstone ecosystem in Wyoming?
[LS2-1, LS2-2]
A. abiotic factors like weather have no impact on this ecosystem
B. the main herbivores on the island are elk
C. the wolves in the park have many choices of prey species
D. the ecosystem here has only been studied for a few years
Answer:
(B) is true.
Explanation:
The most prevalent big mammal in Yellowstone is the elk. Elk, the term for moose in Europe, was used to characterise the animal by European immigrants in North America (causing great confusion for European visitors). Elk is also known by the Shawnee term "wapiti," which means "white deer" or "white-rumped deer." Elk in North America are regarded as belonging to the same species as red deer in Europe.
Elk are consumed by wolves, therefore when they disappeared, the elk population skyrocketed. The park had very few young aspen trees because the elk consumed young aspen trees.
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you find an animal with a bilateral larval form but what appears to be a radial adult form. which taxa would you presume it to belong to?
Answer:
Cnidaria
Explanation:
If you were constructing a phylogenetic tree for the evolution of birds, which characters found in archaeopteryx might provide evidence that birds and dinosaurs had a common ancestor?.
Ostrom investigated the fossilized Archaeopteryx, a raven-sized dinosaur with wings and flight feathers that lived towards the end of the Jurassic period.
In the 1860s, Archaeopteryx was initially recognized as a distinct species. Due to the fact that it appeared to be a bird with dinosaur-like characteristics, it was quickly seized upon as proof of Darwin's theory of evolution. It had feathers and wings, but no beak—just teeth.
Instead than just fossilized bones and skeletal similarities, soft tissue, especially feathers, provide strong evidence for the notion. Numerous dinosaurs possessed noticeable feathers in addition to some kind of body covering.
Theropods and the bird-like monster shared skeletal traits such as sharp teeth, three-clawed fingers, and a long bony tail.
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2. Round eed are dominant over wrinkled eed in pea plant. One parent plant i homozygou
wrinkled (rr), and the other parent plant i heterozygou round (Rr). Make Punnett quare
and tell how many offpring will be round and how many will be wrinkled. (5 point)
RR: Rr: rr, or 1:2:1, is the genotype ratio. Round seeds to wrinkled seeds have a 3:1 phenotype ratio. In a human, there are two sex chromosomes: X and Y.
XX chromosomes are found in females while XY chromosomes are found in males. A mutation is an alteration in the DNA's nucleotide sequence that can be inherited. Humans have 23 pairs of chromosomes, including one pair of sex chromosomes and 22 pairs of autosomes. the gamete will have 23 chromosomes as a result. The term "genotype" broadly refers to an organism's genetic make-up, or, to put it another way, the entire set of its genes. The phrase can also refer to a gene's alleles, or differentiating forms, in a more restricted sense.
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The development that freed vertebrates from water for reproduction and allowed them to radiate into diverse terrestrial environments was the _____.
Answer:
Ecdysis
Explanation:
The innovation that freed vertebrates from being tied to water for reproduction and allowed them to radiate into diverse terrestrial environments was the development of A. ecdysis.
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Compounds Lab Report
Instructions: In this virtual lab you will build chemical compounds from known elements. Record your hypothesis and compound results in the lab report below. You will submit your completed report to your instructor.
Note: If you cannot complete this lab as directed, please contact your instructor for assistance.
Name and Title:
Objectives(s): The purpose of this virtual lab was to use different elements and make chemical compounds.
Hypothesis:
I can create five new compounds using oxygen, hydrogen, and carbon in about four minutes.
Procedure:
The amount and sorts of elements I chose for my compounds are the independent variables. The types of chemicals created are the dependent variable.
Data:
Record the composition of each of your compounds below. Be sure to include the number of atoms for each element. An example has been supplied for you.
Compound Name
Chemical Formula
Sodium (Na) Atoms
Calcium (Ca) Atoms
Hydrogen (H) Atoms
Oxygen (O) Atoms
Carbon (C) Atoms
Chlorine (Cl) Atoms
Ex: Sodium
hypochlorite
Water
Glucose
Formic
Botanic Acid
Carbon Dioxide
Carbon Monoxide
Fructose
Conclusion:
Your conclusion will include a summary of the lab results and an interpretation of the results. Please answer all questions in complete sentences using your own words.
Using two to three sentences, summarize what you investigated and observed in this lab.
Why do you believe knowing how elements and compounds react together is essential in everyday matters?
Some elements are more "reactive" than other elements; why do you think this is?
Choose one of the compounds from the table and explain how you know the numbers of atoms in your formula.
Is it possible for two different compounds to be made from the exact same two elements? Why or why not? With a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?
Here you go buddy!
Hypothesis and Conclusion
Using two to three sentences, summarize what you investigated and observed in this lab.
In this lab, we created five new compounds using oxygen, hydrogen, and carbon. We observed the chemical formulas and the number of atoms of each element in each compound.
Why do you believe knowing how elements and compounds react together is essential in everyday matters?
Knowing how elements and compounds react together is essential in everyday matters because it helps us understand the chemical processes that occur in the world around us. This knowledge allows us to predict the outcomes of chemical reactions and design new compounds with specific properties and uses.
Some elements are more "reactive" than other elements; why do you think this is?
Some elements are more reactive than other elements because they have a higher tendency to gain or lose electrons, forming chemical bonds with other elements. This can be due to differences in their atomic structure, such as their number of valence electrons or their electron configuration.
Choose one of the compounds from the table and explain how you know the numbers of atoms in your formula.
For example, let's choose glucose as one of the compounds from the table. We know that the chemical formula of glucose is C6H12O6, which indicates that it contains six carbon atoms, twelve hydrogen atoms, and six oxygen atoms. This information is provided in the table and is derived from the chemical formula of the compound.
Is it possible for two different compounds to be made from the exact same two elements? Why or why not? With a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?
Yes, it is possible for two different compounds to be made from the exact same two elements. This is because the arrangement of atoms in a compound determines its chemical properties and structure, and different arrangements of the same elements can produce different compounds. For example, water (H2O) and hydrogen peroxide (H2O2) are made from the same two elements, hydrogen and oxygen, but have different chemical properties and structures. Despite the limited number of elements known, there is a large number of possible compounds that can be formed by combining these elements in different ways. This is because the number of possible compounds increases exponentially as the number of elements increases.
What is the difference between homozygous and homologous?
There are two sets of chromosomes in humans. Allele pairings are categorized using the terms homologous and homozygous.
Homologous individuals are those who have two copies of the same allele. While homozygous refers to a particular organism with various alleles.
A homologous chromosomal pair consists of two chromosomes that are comparable in length, location of the genes, and centromeres.
Chromosomes are essential molecules because they hold DNA and the genetic code that determines how all cell activity will be directed.
Additionally, they include genes that control particular traits that can be passed down through the generations. 46 chromosomes, or 23 pairs, make up each human cell.
Non-homologous chromosomes have distinct chromosomal pairs. Different gene types are represented by alleles on non-homologous chromosomes.
Non-homologous chromosomes are made up of alleles from different genes.
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In contrast to homozygous organisms, which contain both copies of a given gene with the same allele, homologous refers to a degree of correlation or likeness.
Whenever a gene is present on a maternal chromosome, it will also be present in the same location on the paternal chromosome. This is known as homology. It can exhibit additional vigour known as hybrid vigour. Self breeding results in a blend of several qualities.
In homozygous it exhibits no additional vigor over generations, self breeding generates the same trade. It only produce one type of gamete.
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gene sequencing is used to identify the flu virus. why would you sequence the hemaglutinin or neuraminidase?
In order to effectively induce membrane fusion, the hemagglutinin-neuraminidase (HN) protein, which is in charge of virus attachment, interacts with the fusion protein in a virus type-specific manner.
What distinguishes hemagglutinin from neuraminidase?The main distinction between hemagglutinin and neuraminidase is that while neuraminidase cleaves sialic acid from viral receptors to release the progeny viruses from the host cells, hemagglutinin binds with cell target cells' surface sialic acid promotes viral attachment to host cells.
What part does neuraminidase play in the influenza virus?Influenza Hemagglutinin (HA) glycoprotein is typically used by a viruses to bind to cell surface sialic acid receptors, and neuraminidase (NA) glycoprotein is used to cleave the receptor and release the virus.
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Use the figure above to compare the quantity of carbon present in the atmosphere to that present in fossil fuels. What percent of the carbon in the fossil fuel compartment would double the amount if carbon in the atmosphere if it was burned?
0.003% percent of the carbon in the fossil fuel compartment would double the amount of carbon in the atmosphere if it was burned.
As buried carbon-based organisms decompose over millions of years, fossil fuels are created. Carbon-rich deposits are produced by them, which are then extracted and burned to produce energy. Approximately 80% of the world's energy is currently provided by these non-renewable resources.
Because they contain hydrocarbons and other carbon-based substances, fossil fuels are valuable as energy sources. Any member of the class of organic compounds known as hydrocarbons contains only carbon and hydrogen.
The carbon content of a fuel is its mass-percentage carbon content. This number is used to determine how much carbon dioxide, carbon monoxide, and unburned hydrocarbons will be released each year as a result of using this fuel in a generator, boiler, or reformer.
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Which essential molecule in the body is out of equilibrium because of a cftr gene defect?.
Mutations in the gene that codes for the cystic fibrosis transmembrane conductance regulator (CFTR) protein lead to cystic fibrosis.
Cystic fibrosis is brought on by mutations, or mistakes, in the cystic fibrosis transmembrane conductance regulator (CFTR) gene, which either prevent the production of any CFTR protein or cause it to be malformed and unable to carry out its essential cellular role.
The deletion of phenylalanine 508 (F508del) in the cystic fibrosis transmembrane conductance regulator is a mutation that has been linked to the disease (CFTR). The CFTR's first nucleotide-binding domain (NBD) contains the amino acid. Gating issues and faulty channel processing result from this mutation.
CFTR is a complex protein that is present on the cell surface membrane in a number of tissues and serves as a controlled chloride ion channel. On the apical membrane of the cells lining the airways in the lung, CFTR is present.
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what is one abiotic-abiotic interaction affected by the wildfires in California?
Answer:
Anthropogenic. Air pollution. Fire. Oil spills. Radioactive contamination.Climatological.Geophysical.Hydrological.Meteorological.blood flows through an artery that is partially blocked. as the blood moves from the wider region into the narrow region, the blood speed
Blood flows through an artery that is partially blocked. as the blood moves from the wider region into the narrow region, alternately increases and then decreases.
What is the purpose of blood flow in heart?The removal of positive charge by electrochemical gradients causes the membrane potential of the cell to shift more strongly in the direction of the equilibrium potential for potassium.
The membrane would become more negative as potassium permeability through the membrane increased. Given that potassium is a positively-charged ion and that the intracellular environment has a net negative charge, enhancing the membrane's permeability would result in a more negative membrane.
For instance, the amplitude of the potassium concentration gradient across the myocyte decreases as the external potassium level rises, lowering the resting membrane potential.
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what are the columns of muscle produced by the extension of the epimysium into the body of the muscle called?
The epimysium spreads into the muscular body, generating muscle columns known as fascicles. The epimysium is a connective tissue layer that surrounds and protects muscles. It is made up of thick regular connective tissue and collagen fibers organized in a basket-weave pattern.
Fascicles are groupings of muscle fibers that are joined together by a sheath of connective tissue and are important for a muscle's overall structure and form. Fascicles are normally grouped cylindrically or parallelly, and their size, shape, and quantity vary depending on the kind of muscle. Fast-twitch muscles, such as those in the legs and arms, have fewer and bigger fascicles than slow-twitch muscles, such as those in the belly and back.
Because of the diversity in the number and size of fascicles, the muscle may create varying amounts of force and contraction speed. Muscle fibers, which are bundles of individual muscle cells, make up fascicles. The endomysium is a thin layer of connective tissue that surrounds each muscle fiber.
The endomysium protects the muscle fiber while also allowing it to glide easily over adjacent fibers. This enables the muscle to contract and relax more effectively.
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organism a is eukaryotic, unicellular, and lacks a cell wall. organism b is eukaryotic, multicellular, has cell walls, and is autotrophic. in which kingdoms should these organisms be classified?
Kingdom Plantae contains species that are autotrophic and have a cellulose cell wall, whereas kingdom Animalia contains organisms that are heterotrophic and lack a cell wall.
These species be categorized in which kingdoms?Animals belonging to the kingdom Animalia have multicellular bodies, eat in a heterotrophic way, have eukaryotic cells, and lack cell walls. Because they generate their nourishment using solar energy, Kingdom Plantae are autotrophs. Cellulose is a component of plant cell walls.
Most eukaryotes, including animals, do not typically have cell walls, but some do, including fungi, algae, plants, and the majority of prokaryotic creatures.
Which eukaryotic kingdom is multicellular and without a cell wall?The Kingdom Animalia is distinguished from the other groups by having multicellular bodies, a heterotrophic mode of nourishment, eukaryotic cells, and cells without a cell wall.
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A certain species of grasshopper can have red stripes, yellow stripes, or red and yellow stripes. An RR grasshopper has red stripes,
a YY grasshopper has yellow stripes, and an RY grasshopper has red and yellow stripes.
A grasshopper with red and yellow stripes mates with another grasshopper with red and yellow stripes.
What ratio would be expected in the phenotypes of their offspring?
O 3 with red stripes: 1 with yellow stripes
O 3 with red and yellow stripes : 1 with yellow stripes
O 2 with red and yellow stripes : 2 with yellow stripes
O 1 with red stripes: 2 with red and yellow stripes : 1 with yellow stripes
Answer:
D
Explanation:
In terms of cellular respiration, why is it necessary to incorporate plants into a terrarium along with fauna (animal)
Answer:
The plants release O2 which the animals need to complete photosynthesis. They also absorb the CO2 produced by the animals during cellular respiration.
Explanation:
PLEASE ANSWER ASAP
Explain why it is important that FSH is not secreted during pregnancy.
Answer:
During pregnancy, serum FSH concentrations are quite low due to the inhibitory effects of the elevated concentrations of estrogen and progesterone on the hypothalamus and the pituitary gonadotropes.
Which description properly describes a step involved in cellular respiration?
Glucose is created, then the energy gained is transferred to the energy molecule.
Carbon dioxide and water are released after the energy molecule is charged.
Water is divided into carbon dioxide and glucose.
Oxygen is combined with ATP to energize it.
Did the quiz and A is incorrect.
Answer:
2nd choice
Explanation:
glucose+ oxygen gives water+ carbon dioxide + energy
How does the circulatory system keep each cell in an organism alive and healthy?.
Answer:
The heart, blood, and blood vessels work together to service the cells of the body. Blood vessels carry blood to the lungs for oxygen. Then your heart pumps oxygen which keeps you alive and healthy.
Explanation:
Which of the following provides the best summary of the process of natural
selection?
• A. Mutations help an individual survive and reproduce.
• B. Individuals pass on their best traits to their offspring.
• C. Well-adapted individuals survive and reproduce.
D. Population sizes increase with every generation.
when the bladder contains 400 to 500 ml of urine, this is referred to as specific gravity. anuria. renal clearance. functional capacity.
A bladder containing 400 - 500 ml of urine is referred to as functional capacity.
Urine is defined as excess liquid waste products of metabolism in human as well as other animals. The kidneys filter nitrogen rich human metabolism byproducts such as urea and creatinine from blood, then transport it to the ureters, then the urine is excreted from the body via urethra. In order for micturition (a process of excretion of urine from the bladder) to happen, the bladder must maintain a functional capacity at a level of 400 - 500 ml of urine stored inside it, after which the excess level of liquid will be excreted from the body.
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if a cell is placed in an isotonic medium, there will be no net movement of water.
There won't be a net migration of water towards the isotonic solution or the cell since the concentration of the solute and water are identical both within and outside the cell.
When cells are dissolved in an isotonic solution, what happens?If a cell is submerged in an isotonic solution, there won't be any net water inflow or outflow, and the volume of the cell will stay constant. If neither the solute concentration outside the cell nor the solute concentration inside the cell can cross the membrane.
What is the net movement of water in an isotonic solution?There won't be any net water flow into or out of the water when a cell is submerged in an isotonic solution. When a cell is put in a hypertonic solution, however, there will Water will be leaking from the cell on a net basis. Red blood cell formation will result from this.
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