Option c ATP (Adenosine triphosphate) production in halophilic archaea that contain bacteriorhodopsin differs from ATP production in cyanobacteria in that only cyanobacteria oxidize water.
A relatively recent functional water product called oxidize water has oxygen added to it during the canning or bottling process. It is asserted that the additional oxygen has health advantages, such as facilitating the body's detoxification process and enhancing the metabolism of alcohol. The liver, blood, and immune system appear to be unaffected by prolonged oxygenated water ingestion. In addition, it causes a brief, modest rise in oxygen radicals in the blood. Water that has been oxygenated can be useful if you want to improve the health of your skin naturally. That's because it can aid in oxygenating your skin cells, which can aid in enhancing the tone and texture of your skin. Your skin gets the oxygen it needs when it is oxygenated, so your skin cells can
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You just visited your doctor and he suggested you are at risk for heart disease. which type of lipid should you avoid eating large amounts of?
The worst kind of fat to consume is trans fat. Trans fats, commonly known as trans-fatty acids, enhance bad" cholesterol while also lowering "good" cholesterol, in contrast to normal dietary fats. Heart disease, the number one killer of adults, is increased by a diet high in trans fats.
Which fats, and why, are better for heart health?
Triglycerides, a form of fat that clogs arteries, can be reduced with the use of omega-3 fatty acids. Among the monounsaturated fats are peanut, olive, and canola oils.
Olives, avocados, nuts, and nut butters are additional excellent sources. These lipids have the potential to increase "good" (HDL) cholesterol and lower "bad" (LDL) cholesterol.
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Explain how the structure of a cell’s membrane is related to its function.
Answer:
It forms a physical barrier and as a barrier between the cell and the external environment as it allows only selected necessary molecules to pass through it and at the same time prevents entry of unwanted / unnecessary substances. It also regulates the entry and exit of molecules into and out of the cell.
Explanation:
you are performing an analysis of the long-term benefits of reproductive strategies employed by cicada species. individuals of one species reproduce once every year and produce an average of 150 offspring per year. because predators can easily predict when these cicadas will reproduce, they have evolved to efficiently hunt the yearly cicada offspring. thus, only 5 percent of these offspring will survive to reproduce. individuals of the 13-year cicada species produce an average of 250 offspring during their single mating every 13 years, and approximately 45 percent of the offspring survive to reproduce. finally, 17-year cicadas produce an average of 350 offspring per individual during their single mating every 17 years, and approximately 50 percent of the offspring survive to reproduce. over 100 years, which strategy will produce the newest cicadas? assume the 13-year and 17-year cycles all begin at year 1; that is, the first 13-year cicada reproductive event is on year 13
17-year cicadas produce an average of 350 offspring per individual during their single mating every 17 years strategy will produce the newest cicadas
How do cicadas reproduce?Once they have discovered a suitable female, cicada males sing a courting song. The female will let the male to approach and then unite end to end to mate if she is pleased with him. He will give the female a bundle of sperm during the mating procedure, which she will utilise to fertilise her eggs.
Megapomponia imperatoria, a species of cicada endemic to Malaysia, is the biggest cicada species in the world.
A membrane known as a tymbal that they inflate and contract to produce sound. When females are prepared to mate, they emit clicking noises, so they employ their sound to entice the females. The male cicadas' noises get louder as the temperature rises.
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zone with the largest biodiversity in oceon
What is the mass of a crate if a force of 200 N causes it to accelerate at 8 m/s2? (Formula: F=ma)
25 kg
192 kg
208 kg
16 kg
M
In a cell undergoing meiosis, if synaptonemal complexes form or are still present, what process or processes have occurred?.
The synaptonemal complex , which mediates the pairing of homologous chromosomes,the critical significance in chromosome synapsis and genetic recombination, its exact molecular activity is still unknown.
When during meiosis do Synaptonemal complexes form or are still present?
Nuclear division occurs twice during meiosis, producing four nuclei and typically four daughter cells, each of which has half as many chromosomes as the parent cell.The first divides homologs, whereas the second divides chromatids into individual chromosomes, much like mitosis. When chromosomes of the same type are paired together during meiosis, a biological event called crossing over takes place.Parts of the chromosome can be exchanged when two chromosomes, one from the mother and one from the father, line up.The same genes may be present on the two chromosomes in different versions. During meiotic prophase, the synaptonemal complex (SC), a highly organized proteinaceous structure, forms at the junction of aligned homologous chromosomes.It has been shown that the SC has a role in both the stabilization of homolog pairing and the promotion of interhomolog crossovers (COs). By means of homologous recombination, chromosomal fragments are exchanged (crossover creation).When a cell exits pachytene and during the diplotene stage, the SC disassembles and homologous chromosomal arms separate. Meiosis increases genetic diversityEach gamete has a unique DNA set because of recombination and independent assortment during meiosis.The resultant zygote has a special set of genes as a result. The single option that does not take place during mitosis is crossing across.Crossing over includes the exchange of genetic material between homologous chromosomes and takes place during prophase I of meiosis.Tetrad formation is necessary for this, which does not take place during mitosis. New allele combinations are created in the progeny by recombination during meiosis.Starting at the "four-strand" stage, one homologous pair of chromosomes is shown.In a chromatid, each line represents a duplex DNA moleculeTo learn more about meiosis refer
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in this experiment you observed the effect of stimulating the isolated skeletal muscle multiple times in a short period with complete relaxation between the stimuli. describe the force of contraction with each subsequent stimulus. are these results called treppe or wave summation?
The isolated skeletal muscle was stimulated multiple times in a short period of time while completely relaxed, resulting in an increase in contraction force. This is known as treppe.
Explain force of contraction?The term contraction is used to describe the generation of muscle force in general, and it emphasizes the fact that muscles can only produce tensile force (or contractile force). When a single action potential is delivered to a muscle, it produces a brief burst of force known as an isometric twitch.The force generated by a muscle is proportional to its length and shortening velocity. Many key biomechanical properties, such as running speed, strength, and jumping distance, are limited by these two fundamental properties.Isometric: A muscular contraction in which the muscle length does not change. Isotonic: A muscular contraction in which the muscle length changes. An eccentric contraction is an isotonic contraction in which the muscle lengthens. A concentric contraction is an isotonic contraction in which the muscle shortens.To learn more about force of contraction refer to :
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Explain how Pasteur’s experiment was set up and what we determined from it.
Pasteur's experiment determined that micro-organisms could not arise from inanimate matter under the conditions prevailing on Earth during Pasteur's lifetime.
Pasteur set up broth and added the nutrient broth to the bottle, the bottleneck he bent into an S-shape, and boiled the broth to kill any microbes present. After the broth had been sterilized, Pasteur broke off the swan necks of several bottles to expose the nutrient broth they contained to the air from above.
The remaining piston remained intact. Broth quickly turned cloudy. However, the broth in the intact flask remained clear. Without the introduction of dust to which microbes could move, life would not have arisen. Pasteur thus disproved the concept of spontaneous generation.
Pasteur's experiments showed that conditions similar to those on primordial Earth may have existed or now exist on other celestial bodies in our solar system and elsewhere.
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Describe the digestion of protein in the alimentary canal
Answer: Starts with chewing in the mouth.
Explanation: Begins in the mouth by chewing. There are two enzymes in saliva called AMYLASE and LIPASE. These enzymes helps in breaking down of carbohydrates and fats. Then the HCl and enzymes called Proteases break it into smaller chains of amino acids and are then utiliesd by our body for metabolic requirements.
in this study, scientists investigated the interactions between actin filaments (microfilaments) and myosin motor proteins. why is it important to understand the interaction of these components of the cytoskeleton?
It is important to understand the interaction between actin filaments (microfilaments) and myosin motor proteins because there interactions accomplish a variety of functions such as determining the cell shape.
It is important to understand the interaction between the actin filaments and the myosin motor proteins because:
Cytoplasmic streaming that occurs in plant cells is a result of the interaction between the actin filaments and the myosin motor proteins.The white blood cells, which play an important role in the defense of the body move toward the antigens due to this interaction.It is due to the interaction between actin and myosin that the movement of chromosomes occurs during the process of cell division.Cilia and flagellar regulate movement due to this interaction.Cell shape is determined due to this interaction.To learn more about actin filaments, click here:
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nori is produced: a. through genetic modification of algae. b. by growing algae first in starter cultures, then in an estuary, and then made into sheets that are toasted. c. from yeast fermentation of partially digested algae. d. by an edible mushroom.
The correct answer is the option c from yeast fermentation of partially digested algae
The majority of fungus have several cells. A single-celled fungus known just as yeast typically develops on stale bread.
Mold, mushrooms, and algae are the only other fungus that have many cells. Fungi have a vast, multicellular hyphal network. Tubular cells make up the Hyphae filaments.
But because yeast is a single-celled fungus, it lacks hyphae.
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What is the phrase that is most closely associated with natural selection?
Natural selection is the process in which the population with the best adaptation is favorable. It is usually associated with the phrase "survival of the fittest".
In the f2 of a dihybrid cross involving two independently assorting genes, what proportion of the offspring will be true-breeding?.
The proportion of the offspring of F2 progeny of dihybrid cross would be 1/4.
The true breeding parents of dihybrid cross of Mendel included rounded yellow and wrinkled green seeds as parental traits. The F2 progeny produced round yellow, round green, wrinkled yellow, and wrinkled green seeds. Therefore, 1/4 progeny of the dihybrid cross produced true breeding traits in the F2 progeny.
According to Mendel's law of independent assortment, the alleles of two or more distinct genes are independently selected into gametes. In other words, an allele for one gene does not affect the allele for another gene that a gamete acquires. It, moreover, produces hybrids of the genes. Dihybrid cross produced phenotypic ratios as 9:3:3:1.
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which is structure is correctly paired with its ploidy level? group of answer choices megaspore: diploid microsporangium: haploid megasporocyte: diploid microspore: diploid
The ploidy level is correctly paired with
a. microsporangium: haploid
This is because the microsporangium as a spore is haploid cell but it is derived from a diploid cell.
Here megaspore should be haploid
Microspore: haploid
Megasporocyte: haploid
Hence the correct answer is a. Microsporangium: haploid.
What are the different ploidy levels of an ovule?
The nucellus, a collection of parenchymatous cells, makes up the ovule's body. comparable to megasporangium (2n). A diploid(2n) cell called a megaspore mother cell, also known as a megasporocyte, goes through meiosis to create a linear tetrad of four haploid megaspores (n). The only functional megaspore often found is the chalazal megaspore, with the other three degenerating.
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you might be interested to know how many different types of bacteria live on the shower curtain in your bathroom. what is the most efficient method for finding out?
Regular morphological and biochemical tests are used to identify bacteria, and where necessary, additional testing like serotyping and antibiotic inhibition patterns are added.
What are bacteria?To distinguish one organism from another and to classify similar organisms according to standards of relevance to microbiologists or other scientists, bacteria are classed and identified.
The species level is the most significant level in this sort of classification.
Everybody should understand what a species' name means.
Strains and subgroups within a species can vary by the diseases they cause, their habitats in the environment, and a variety of other traits.
In the past, species were established using these criteria, which, while being very useful to clinical microbiologists and doctors, are insufficient to establish a species.
In addition to DNA relatedness, biochemical and other phenotypic criteria should be used to confirm the existence of current species and to create new species.
Countless phenotypic traits are used to classify strains in numerical or phenetic techniques to classification.
In order to group strains based on their overall genetic similarity, DNA relatedness is used.
Therefore, regular morphological and biochemical tests are used to identify bacteria, and where necessary, additional testing like serotyping and antibiotic inhibition patterns are added.
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In glycolysis, a glucose molecule is split into two molecules of ______, and energy is harvested as atp and nadh.
In glycolysis, a glucose molecule is split into two molecules of pyruvate and energy is harvested as ATP and NADH.
Glycolysis is the process that can be characterized as the first stage of cellular respiration followed by the citric acid cycle and electron transport chain.
Cellular respiration is the process that occurs in the cells of the body to release energy from glucose derived from food molecules.
In the process of glycolysis, the glucose molecule is broken down into two pyruvate molecules by a series of complex processes. ATP and NADH is released in the process of glycolysis.
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6. Write a chemical equation for cellular respiration.
coman
Label the molecules involved.
Answer:
Carbon dioxide+Water Carbon Hydrogen Oxygen+Oxygen
Explanation:
Its chemical equation isCO2 +H2O C6 H12O6 +6O2
Which statements describe the cell membrane? Check all that apply. The cell membrane is very selective. The cell membrane lets anything enter the cell. The cell membrane lets anything leave the cell. The cell membrane is a protective layer surrounding a cell. The cell membrane allows waste to leave the cell.
Answer:
the cell membrane is very selective.
The cell membrane is a protective layer surrounding a cell.
The cell membrane allows waste to leave the cell.
Explanation: the cell membrane is a semipermeable barrier that separates the cell from its surrounding environment. Thus, the cell membrane helps the cell to maintain steady constant cellular conditions.
Black fur in rabbits is dominant over brown fur. Cross a homozygous black rabbit with a brown rabbit. (4 pts)
Genotype: Phenotype :
(Create Punnett square pls)
The genotype and phenotype of the offsprings of crossing a homozygous black rabbit with a brown rabbit is as follows:
Genotype; Bb (4)Phenotype; All black rabbitsWhat is a punnet square?A punnet square is a graphical representation used to determine the probability of an offspring expressing a particular genotype.
According to this question, black fur (B) in rabbits is dominant over brown fur (b). if a homozygous black rabbit (BB) with a brown rabbit (bb) as follows:
BB × bb
BB - B and Bbb - b and bWhen these two parents genotype cross, all of the offsprings will be heterozygous (Bb) genotype and all black phenotype.
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which of the following are methods used by biologists to distinguish different species? multiple select question. assessing the ability of individuals of different groups to successfully interbreed observing the outward appearance of individuals assessing whether the organisms occupy the same space determining evolutionary relationships and lineages determining if individuals physically interact with one another analyzing dna or other molecular sequences
The methods used by biologists to distinguish different species are: analyzing DNA or other molecular sequences
observing the outward appearance of individuals
assessing the ability of individuals of different groups to successfully interbreed
determinating evolutionary relationships and lineages
determining the organisms' ecological niches
Scientists use many ways to distinguish different species. Scientists use the DNA of organisms to look for similarities and differences in them. Based on these similarities and differences, they are able to distinguish species.
Assessing the physical traits of an organism also helps in differentiating it from other species.
Evolution is also a big key to determining the relationship and differences among species.
The place where an organism lives and its ecological nice also help in determining the differences and similarities in species.
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The tendency to respond to a conditioned stimulus that is similar, but not identical, to the original conditioned stimulus is called _____.
The tendency to respond to a conditioned stimulus that is similar, but not identical, to the original conditioned stimulus is called discrimination.
A stimulus is a "detectable change (physical or chemical) in an organism's environment that induces some functional activity," according to the definition given . For instance, sunlight serves as a stimulus for plants and bodies, encouraging them to grow or move in its direction. High temperatures are another example of a stimulus since they cause our bodies to start sweating and cool down as a result.
Researchers who study human behaviour frequently use the phrase stimulus (or its plural stimuli). The activities, behaviours, or procedures that cause the human mind to react are known as stimuli in psychology. Visual, aural, physical, or a combination of these may be used as the stimuli. The use of stimuli in the management of achluophobia is one instance (fear of the dark).
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Cells arise only from previously___with cells passing copies of their____ on to their daughter cells.
A) Dead cells, divided cells
B) Alive cells, proteins
C) Existing cells, genetic material
D) Alive cells, dead cells
A cell in the liver begins to divide abnormally. It forms a mass, but then stops dividing. No cells from the mass move into other tissues.
How would you describe this mass?
Group of answer choices
A) It is a benign tumor.
B) It is a secondary tumor.
C) It is a malignant tumor.
D) It is a metastatic tumor.
You describe this mass by the fact that it is a benign tumor. Thus, the correct option for this question is A.
What is a Benign tumor?A Benign tumor may be defined as a type of tumor that is non-cancerous in nature. This type of tumor does not express metastasis and is mostly non-invasive in nature. Benign tumors stop growth after reaching a certain size. These tumors are less fatal to the body.
It is clearly mentioned in the question that it forms a mass but stops dividing after a certain period of time. Hence it is not a secondary or malignant tumor that shows indefinite growth. It also mentioned that no cells from the mass move into other tissues. Hence it is not a metastatic tumor.
Therefore, you describe this mass by the fact that it is a benign tumor. Thus, the correct option for this question is A.
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6. One function of the skeletal system is protection. (a) State two other functions of the skeletal system
Answer: Structure
And
Support
Explanation: The skeleton provides framework to muscles and organs
it helps with fluid movement. It provides correct shape to the body. The bones also help to make blood cells
nitrogenase choose one: a. requires oxygen as an electron acceptor. b. works well in any environment. c. is a relatively small enzyme. d. requires many atp and electrons to reduce n2 to 2nh4 .
The correct answer is option D.
Nitrogenase requires many ATP molecules and electrons to reduce N2 to 2NH4.
In general, nitrogenase is a nitrogen fixing enzyme produced by particular bacteria such as rhizobacteria and cyanobacteria
Biologically, this enzyme plays a key role in nitrogen fixation process. During this process it converts nitrogen to ammonia.
Living organisms reduce di-nitrogen to ammonia i.e. N2 to 2NH4 by using ATP molecule.
To put it simply, nitrogenase enzyme is the key component of nitrogen cycle that fixes the atmospheric nitrogen and transforms this nitrogen into ammonia which is later used by plants.
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For which type of lesion would a bandage be most important in order to keep bacteria and other pathogens from entering the body?.
The type of lesion in which a bandage would be most important in order to keep bacteria and other pathogens from entering the body is an ulcer.
What is ulcer tissue damage?The expression ulcer tissue damage makes reference to open tissue associated with a painful sore. One of the most common types of ulcer is stomach ulcer, which is very harmful to the organism due to the release of acid gastric juices.
Generally, ulcers are caused by infections such as bacterial infections that are able to cause serious damage to the tissues and thus lead to painful sores in different organs of the body such as the stomach.
Therefore, with this data, we can see that ulcer tissue damage may be caused by different infections including bacterial infections and lead to painful sores that need to be cured by a bandage and or alternative procedures.
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can someone help me pleaseeeeeeeeeeee
The greatest gravitational force is experienced when;
P = 6.0 * 10^24 KgQ = 625 Kgd = 25000 mWhat is the gravitational force?Let us recall that the gravitational force is the force that acts between any two objects that we find on the earth's surface. The gravitational force is an attractive force. We know that if we have two objects, then one object must effect a gravitational force of attraction on the other. The magnitude of the gravitational force of attraction can be obtained by the use of the formula;
F = Gm1m2/r^2
F = the gravitational force of attraction
G = gravitational constant
m1 and m2 = The masses of each of the objects
r = The distance between the objects that are found in the gravitational filed of the earth.
The larger the masses of the objects and the smaller the distance that the objects have between them, the greater the gravitational force between the objects.
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What effect does adding solute have on the solute potential component (Ys)
Answer:
Adding more solute will increase the solute potential and decrease water potential by making it more negative.
Explanation:
Should recycling always be done even if it isn’t profitable
explain why most nerve cells have a myelin sheath
Myelin is a lipid-made substance that surrounds the axons of some neurons. This myelin sheath acts as an electrical insulator and speeds up the propagation of the action potentials inside the neurons' axons.
