Answer: Since valence shells in nonmetal atoms are almost full, the atoms attract electrons and hold them tightly to fill their valence shells.
Explanation:
Electric current can flow freely in a conductor but in an insulator, it cannot flow freely.
The most likely reason that nonmetals are electrical insulators is since valence shells in nonmetal atoms are almost full, the atoms attract electrons and hold them tightly to fill their valence shells.
Answer:
Since valence shells in nonmetal atoms are almost full, the atoms attract electrons and hold them tightly to fill their valence shells.
Explanation:
In addition to their role as building blocks for proteins, amino acids are used as precursors for the biosynthesis of a wide variety of molecules. Match the amino acids with the molecules for which they act as precursors. Histamine Epinephrine Scrotonin Glutathione Heme NAD(H)tyrosine histidine eysteine glycine glutamate tryptophan
Answer:
Amino acids are the building blocks or monomers of proteins. These are the molecules that act as the precursors for the biosynthesis of various hormones some other molecules of our body. these amino acid molecules for by the process of protein synthesis.
The given amino acids are precursors of the following molecules-
1. Histamine - Histidine
2. Epinephrine - Tyrosine
3. Serotonin - Tryptophan
4. Glutathione - Cysteine, Glutamate and Glycine
5. Heme - Glycine
6. NAD(H) - Tryptophan
Look at the map on the screen. List the region or countries the majority of African elephants inhabit.
Answer:
we need the picture
Explanation:
1. Which of the following reproduce using spores?
wild flowers
pine tress
vegetable plants
mosses and ferns
PLEASE HELP MEEE
ASAP
URGENT
Answer:
pine trees
Explanation:
pine trees grow in cold areas where seed cannot be placed in flowers or fruits. hence they are placed in pine cones which protect the seed from cold and harsh weathers
Answer:
Mosses and Ferns
I did the test and this was the answer, hope this helps
a. Why was it important in this case to identify Salmonella Typhi in the feces of the restaurant worker?
Answer:
Some other types of Salmonella cause typhoid fever or ... Most people with Salmonella infection have diarrhea, fever, and ..
Explanation:
Add as brainlist
Prepare a collage of tools and equipment used in production of any one agricultural crop, from seed or planting through packaging of the produce
Answer:
i think
Explanation:
How does replanting trees increase the sustainability of forestland?
A. Replanting reduces the consumption of wood.
B. Replanting reduces the demand for wood.
C. Replanting increases the cost of wood.
D. Replanting increases the supply of wood.
First 20 elements which are isotopes?
Answer:
Isotopes (Stable) of the elements
Text lists sorted by:Value | Atomic Number | Alphabetical
Plots:Shaded | Ball | Crossed Line | Scatter | Sorted ScatterLog scale plots:Shaded | Ball | Crossed Line | Scatter | Sorted ScatterGood for this property:Atomic Number
Hydrogen1H, 2HHelium3He, 4HeLithium6Li, 7LiBeryllium9BeBoron10B, 11BCarbon12C, 13CNitrogen14N, 15NOxygen16O, 17O, 18OFluorine19FNeon20Ne, 21Ne, 22NeSodium23NaMagnesium24Mg, 25Mg, 26MgAluminum27AlSilicon28Si, 29Si, 30SiPhosphorus31PSulfur32S, 33S, 34S, 36SChlorine35Cl, 37ClArgon36Ar, 38Ar, 40ArPotassium39K, 41KCalcium40Ca, 42Ca, 43Ca, 44Ca, 46CaScandium45ScTitanium46Ti, 47Ti, 48Ti, 49Ti, 50TiVanadium51VChromium50Cr, 52Cr, 53Cr, 54CrManganese55MnIron54Fe, 56Fe, 57Fe, 58FeCobalt59CoNickel58Ni, 60Ni, 61Ni, 62Ni, 64NiCopper63Cu, 65CuZinc64Zn, 66Zn, 67Zn, 68Zn, 70ZnGallium69Ga, 71GaGermanium70Ge, 72Ge, 73Ge, 74GeArsenic75AsSelenium74Se, 76Se, 77Se, 78Se, 80SeBromine79Br, 81BrKrypton78Kr, 80Kr, 82Kr, 83Kr, 84Kr, 86KrRubidium85RbStrontium84Sr, 86Sr, 87Sr, 88SrYttrium89YZirconium90Zr, 91Zr, 92Zr, 94ZrNiobium93NbMolybdenum92Mo, 94Mo, 95Mo, 96Mo, 97Mo, 98MoTechnetiumNoneRuthenium100Ru, 101Ru, 102Ru, 104Ru, 96Ru, 98Ru, 99RuRhodium103RhPalladium102Pd, 104Pd, 105Pd, 106Pd, 108Pd, 110PdSilver107Ag, 109AgCadmium106Cd, 108Cd, 110Cd, 111Cd, 112Cd, 114CdIndium113InTin112Sn, 114Sn, 115Sn, 116Sn, 117Sn, 118Sn, 119Sn, 120Sn, 122Sn, 124SnAntimony121Sb, 123SbTellurium120Te, 122Te, 124Te, 125Te, 126TeIodine127IXenon124Xe, 126Xe, 128Xe, 129Xe, 130Xe, 131Xe, 132Xe, 134Xe, 136XeCesium133CsBarium130Ba, 132Ba, 134Ba, 135Ba, 136Ba, 137Ba, 138BaLanthanum139LaCerium136Ce, 138Ce, 140Ce, 142CePraseodymium141PrNeodymium142Nd, 143Nd, 145Nd, 146Nd, 148NdPromethiumNoneSamarium144Sm, 149Sm, 150Sm, 152Sm, 154SmEuropium151Eu, 153EuGadolinium154Gd, 155Gd, 156Gd, 157Gd, 158Gd, 160GdTerbium159TbDysprosium156Dy, 158Dy, 160Dy, 161Dy, 162Dy, 163Dy, 164DyHolmium165HoErbium162Er, 164Er, 166Er, 167Er, 168Er, 170ErThulium169TmYtterbium168Yb, 170Yb, 171Yb, 172Yb, 173Yb, 174Yb, 176YbLutetium175LuHafnium176Hf, 177Hf, 178Hf, 179Hf, 180HfTantalum181TaTungsten180W, 182W, 183W, 184W, 186WRhenium185ReOsmium184Os, 187Os, 188Os, 189Os, 190Os, 192OsIridium191Ir, 193IrPlatinum192Pt, 194Pt, 195Pt, 196Pt, 198PtGold197AuMercury196Hg, 198Hg, 199Hg, 200Hg, 201Hg, 202Hg, 204HgThallium203Tl, 205TlLead204Pb, 206Pb, 207Pb, 208PbBismuthNonePoloniumNoneAstatineNoneRadonNoneFranciumNoneRadiumNoneActiniumNoneThorium232ThProtactiniumNoneUraniumNoneNeptuniumNonePlutoniumNoneAmericiumNoneCuriumNoneBerkeliumNoneCaliforniumNoneEinsteiniumNoneFermiumNoneMendeleviumNoneNobeliumNoneLawrenciumNoneRutherfordiumNoneDubniumNoneSeaborgiumNoneBohriumNoneHassiumNoneMeitneriumNoneDarmstadtiumNoneRoentgeniumNoneCoperniciumNoneNihoniumNoneFleroviumNoneMoscoviumNoneLivermoriumNoneTennessineNoneOganessonNone
Answer:
I know 5 though
Oxygen 16O,17O,18O
fluorine 19F
hydrogen 1H,2H
neon 20Ne,21Ne,22Ne
sodium 23Na
I hope I have helped you babes ❤️
Consider the factors that affect muscular strength. Read each scenario and then identify each label into the appropriate category based on whether each would result in a stronger or weaker muscle contraction.
a. Potassium accumulate in the sarcoplasm
b. Increase in muscle belly circumference
c. Lesser proportion of motor neurons to muscle fibres
d. Begin contractions with muscle already 50% contraction
e. Lower sarcoplasm pH
f. Increased stimulus frequency.
g. Circular arrangement of muscle fascicles
h. increased requirement.
Answer:
1. Weaker contraction:
a. Potassium accumulate in the sarcoplasm
d. Begin contractions with muscle already 50% contraction
e. Lower sarcoplasm pH
g. Circular arrangement of muscle fascicles
2. Stronger Contraction
b. Increase in muscle belly circumference
c. Lesser proportion of motor neurons to muscle fibres
f. Increased stimulus frequency.
h. increased requirement.
Explanation:
Sarcoplasm refers to the cytoplasm of muscle cells which contains ATP, enzymes, and a variety of ions, including potassium (K+). The negative potential required during muscle activity is produced from the disequilibrium of ionic concentrations (mostly Na+ and K+) across the membrane, which is generated through Na+/K+ ATPase pumps. During contraction, a muscle shortens, and thus its circumference increases. The generation of lactic acid is known to lower pH in the sarcoplasm and thus hinder the force and power development of the muscle fibers. Muscle fascicles can be arranged in concentric rings, it is a common pattern in sphincter muscles that modulate the opening and closing of orifices (which have weak contractions). A motor unit refers to a single efferent neuron and all of the muscle fibers it modulates. Each individual muscle fiber is innervated by one motor neuron, whereas a single motor neuron can innervate many muscle fibers. Finally, higher intensity/frequency are known to induce stronger muscular contractions, but also produce a stronger decline in force and cause more rapid muscle fatigue.
In a Nitrogen metabolism study, the following data were obtained over the test period:
Nitrogen consumed 175 grams
Total Fecal N 35 grams
Metabolic Fecal N 10 grams
Total Urinary N 80 grams
Endogenous Urinary N 10 grams
Calculate:
a. Apparent Nitrogen digestibility (%)
b. True Nitrogen digestibility (%)
c. Nitrogen Balance (g)
d. Apparent Nitrogen Retention (%)
Answer:
a. 80%
b. 86%
c. 60 g
d. 34.29%
Explanation:
From the given information:
The apparent nitrogen digestibility (AD) is the ratio of the difference between the consumed nitrogen and fecal nitrogen to the consumed nitrogen.
Mathematically:
[tex]AD = \dfrac{consumed \ nitrogen - fecal \ nitrogen }{consumed \ nitrogen }[/tex]
[tex]AD = \dfrac{175 -35 }{175}[/tex]
AD = 0.8
To percentage, the apparent Nitrogen digestibility = 80%
b. True Nitrogen digestibility is calculated by the formula:
[tex]=\dfrac{consumed \ nitrogen - (fecal \ nitrogen -metabolic \ fecal)}{consumed \ nitrogen}[/tex]
[tex]= \dfrac{175 -(35-10)}{175}[/tex]
[tex]= \dfrac{175 -25}{175}[/tex]
= 0.86
= 86%
c. Nitrogen Balance = consumed Nitrogen - Fecal nitrogen - total uninary
Nitrogen Balance = (175 - 35 - 80) grams
Nitrogen Balance = 60 g
d. Apparent Nitrogen Retention (ANR) is computed as follows:
[tex]ANR = \dfrac{(consumed \ nitrogen-fecal\ nitrogen - total \ uninary )}{nitrogen \consumed }\times 100\%[/tex]
[tex]ANR = \dfrac{(175-35- 80 )}{175 }\times 100\%[/tex]
[tex]ANR = \dfrac{(60 )}{175 }\times 100\%[/tex]
ANR = 34.29%
What is seed technology?why is still considered as one of the major subject in agriculture?
Please help me I beg youuuuuuu!!!
Can you please give me an environmental risk or benefit for artificial selection?
Explanation:
Risks:
may lead to a lack of variety in plant or animal species
The nutritional value of foods can be less
Benefits:
faster than natural selection
More selective breeds / Types
What would most likely be the pioneer species in a plowed field?
Answer:
Didnt they bring Ox or Oxen along with them to draw carriges and to do heavy lifting.
Skeletal muscle cells essentially engage in large shape changes to pull on bones to create movement. To do this shape change, skeletal muscle cells require a lot of energy and the production of a lot of protein used inside the cell to make the structures that change the shape. Name 3 organelles that would be important in this function (one for each function).
Answer:
Explanation:
1) The mitochondrion : is an organelle that makes energy available to the cell. They use energy from organic compounds (such as glucose) to make molecules of ATP (adenosine triphosphate).
2) Ribosomes: are small structures where proteins are made. Both subunits consist of proteins and RNA. RNA from the nucleus carries the genetic code, copied from DNA, which remains in the nucleus. At the ribosome, the genetic code in RNA is used to assemble and join together amino acids to make proteins. Ribosomes can be found alone or in groups within the cytoplasm, as well as on the RER.
3) Cytoskeleton: is the “frame” of the cell, keeping structures in place, providing support, and giving the cell a definite shape.The cytoskeleton organizes the cell and keeps the cell’s organelles in place, but it also aids in the movement of organelles throughout the cell.
Thụ thể nào liên kết với một phân tử ngoài màng tế bào, hoạt hoá một protein kinase bên trong tế bào?
Answer:
?
Explanation:
The bacterium Methylophilus methylotrophus can use methanol and ammonia for protein synthesis. The glutamate dehydrogenase gene from E. coli was introduced into M. methylotrophus using recombinant DNA techniques. Under high ammonia conditions, the introduction of the glutamate dehydrogenase gene into M. methylotrophus resulted in an increase in protein yield. Select the statements that are reasonable explanations for the increased protein yield in the modified M. methylotrophus. Glutamate dehydrogenase catalyzes the formation of glutamate and glutamine in a two-step process. Both glutamate and glutamine play a key role in amino acid synthesis, thus an increase in levels of glutamate and glutamine increase protein synthesis. Glutamate dehydrogenase has a low affinity for NH^+_4, and can only catalyze the formation of glutamate from alpha-ketoglutarate and NH^+_4, when the concentration of NH^+_4 is high. Glutamate dehydrogenase has a high affinity for NH^+_4, thus the rate of glutamate synthesis increases exponentially under high ammonia conditions. Glutamate is the amino group donor for most transamination reactions involving amino acids, thus an increase in glutamate concentration increases protein synthesis.
Answer:
- Glutamate dehydrogenase has a low affinity for NH+4, and can only catalyze the formation of glutamate from alpha-ketoglutarate and NH+4, when the concentration of NH+4 is high.
- Glutamate is the amino group donor for most transamination reactions involving amino acids, thus an increase in glutamate concentration increases protein synthesis.
Explanation:
Glutamate dehydrogenase (GLDH) is an enzyme found in prokaryotic and eukaryotic cells, which is known to catalyze the reversible oxidative deamination of glutamate (Glu) to alpha-ketoglutarate and ammonia at the same time the oxidation of NADH to NAD. In bacteria, this enzyme (GLDH) is efficient only at high concentrations of the ammonium cation (NH4+), because it has a low affinity for NH4+. Moreover, transamination is a pathway that involves the transfer of an amino group from one amino acid to a ketoacid in order to form new amino acids (this reaction is responsible for the deamination of most amino acids). Glu is the donor of amino groups in most of the reactions catalyzed by enzymes involved in the transamination between an amino acid and an alpha-keto acid. In consequence, in presence of GLDH, a high concentration of Glu will increase the production of new amino acids and therefore also protein synthesis.
25 POINTS!! If you chemically synthesized the DNA molecule ATGCCGAATG from individual nucleotides, what would be present in solution besides the DNA?
A. phosphate
B. RNA
C. lipids
D. glucose
Answer:
option a
Explanation:
How many kingdoms are there in the domain Bacteria?
O A2
OB. 1
O c. 3
O D. 4
Answer:
There is 1 kingdom in the domain Bacteria
Explanation:
Answer:
B. 1
Explanation:
one Kingdom
Domain Bacteria has one Kingdom: Kingdom Eubacteria.
How many kingdoms are there in the domain bacteria? | Study ...https://study.com › academy › answer › how-many-kingd...
What are the possible gametes for the individual with the genotype: YYSs?
Answer:
Hey mate I have wrote the answer
see it in the given picture!!!
Explanation:
Hope this help you
The possible gametes for the individual with the genotype YYSs are YS, Ys, YS, and Ys.
What are genotypes?An organism's genotype comprises all of its genetic components. The genotype is another name for an individual's alleles or genetic variations within a certain gene or genetic area.
There are three different genotype types: homozygous dominant (PP), homozygous recessive (pp), and heterozygous (Pp). Both homozygous dominant and heterozygous genotypes exhibit the same features. The formula 2n, where n is the number of heterogeneous alleles present in the genotype, is used to determine the total number of gametes that are produced by a specific genotype.
Thus, the possible gametes for the individual with the genotype YYSs are YS, Ys, YS, and Ys.
Learn more about genotypes, here:
https://brainly.com/question/29156144
#SPJ6
In the food web above, if new species of insect were introduced that fed primarily on plantains, how would the following populations be affected? Indicate your answer by increase , decrease or no change and include a brief explanation of your reasoning.
A) greenfly
B) rabbit
C) fox
Answer:
This is a 50/50 answer. I believe it would be fox, sorry if this is incorrect.
Answer:
Greenfly- no change
The greenfly would remain unaffected because it doesn’t rely on plantains.
Rabbit- decrease
The rabbit relies on plantains as food so more competition would result in a decrease in the rabbit population
Fox- decrease
Lesser food means lesser foxes. The foxes prey like the rabbit and mouse eat plantains. If the mouse and fat population goes down so would the fox population.
a) Identify where exocytosis begins in this pathway.
How is the protein transported out of the cell?
Answer:
Protein cargo moves from the ER to the Golgi, is modified within the Golgi, and is then sent to various destinations in the cell, including the lysosomes and the cell surface. The Golgi processes proteins made by the endoplasmic reticulum (ER) before sending them out to the cell.
explanation:
correct me if I'm wrong (◍•ᴗ•◍)
difference between incomplete and complete ventilation? any 4
Answer:
Due to exchange of gases i.e. normal and abnormal.
Explanation:
The main difference between incomplete and complete ventilation is the occurrence of normal and abnormal exchange of gases. The mechanism in which the exchange of gas happens completely without any difficulty is called complete ventilation. It is the process in which the required amount of oxygen is inhaled or inspired and appropriate amount of carbon dioxide is exhaled out of the body while on the other hand, incomplete ventilation is a mechanism in which exchange of gases is not normal.
One statement is an example of a scientific observation. Another statement is an example of a scientific explanation. Identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.
Cloning has the potential to
significantly benefit a great many
people, so it should not be
considered immoral or risky.
A scientist thinks that he might
find serious inconsistencies in the
fossil record if he conducts an
excavation in a new location.
The rocks present in western Africa
and eastern South America formed
at the same place and at the
same time.
Even if modern organisms are
found in ancient portions of the
fossil record, this wouldn't challenge
the theory of evolution in any way.
The cloning of organisms is an
exciting area of study, and more
resources should be be devoted
to it.
The age, type, and composition of
ancient rocks in western Africa are
nearly identical to the age, type,
and composition of rocks in
eastern South America.
Answer:
2, 4, and 5 refers to scientific revolution while on the other hand, the remaining statements shows scientific observation.
Explanation:
Cloning has the potential to significantly benefit a great many people, so it should not be considered immoral or risky is refers as scientific observation.
A scientist thinks that he might find serious inconsistencies in the fossil record if he conducts an excavation in a new location is refers scientific explanation because explanation is needed for it which can drawn from the scientific observation.
The rocks present in western Africa and eastern South America formed at the same place and at the same time is scientific observation because the scientists takes the data.
Even if modern organisms are found in ancient portions of the fossil record, this wouldn't challenge the theory of evolution in any way is refers to scientific explanation.
The cloning of organisms is an exciting area of study, and more resources should be be devoted to it so it is refers as scientific explanation.
The age, type, and composition of ancient rocks in western Africa are nearly identical to the age, type, and composition of rocks in eastern South America is scientific observation which is taken by the scientist through research.
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Assignment: 04.02 The Biosphere
In this lesson, you took a tour of three of our unique aquatic biomes. In this assessment, you will take a virtual field trip to any aquatic ecosystem of your choice and learn about the biotic and abiotic factors that shape it.
A virtual field trip is a Web search of a location you are unable to visit in person. For this virtual trip, pick any sea, lake, bay, or river in the world and research the biotic and abiotic factors that make it unique. Include the following features in your virtual field trip research:
1. the location of your body of water
2. a description of the geography surrounding your body of water
3. the effects of sunlight on the aquatic life inhabiting your body of water
4. the depths and salinity of your body of water and how this shapes the types of aquatic life present
5. the effects of seasonal changes to water temperatures and aquatic life in your body of water
6. predictions or current research on the effects of climate change to your body of water
Once, you’ve gathered your research, share your virtual field trip with us. Include pictures of your aquatic ecosystem and the life within it in your presentation, but make sure to cite the sources of your pictures and research. Please review the student example and rubric for this virtual field trip before continuing.
You may share your field trip in any creative format you would like. Here are a few suggestions:
- video or media presentation
- slide show
- Web page
- illustration that includes research notes If you need would like an assessment outline
I need to know the rate of the volume change for each section along with the rate of photosynthesis
Explanation:
25 at under time min. over rate of volume change
what's the right blood cell
What mechanism prevents or slows some chemicals from entering the brain, while allowing others to enter?
Answer:
The blood brain barrier blocks chemicals from entering brain tissue.
Explanation:
Explain why you would recommend the nguni cattle meat to consumers in your locality.
Answer:
Below
Explanation:
All different combinations were catalogued in the beginning of the century by a South African herdmaster. This work inspired the Nguni Cattle Register, a compilation of terms to describe in full a Nguni cow or bull. The cattle are medium-sized, with bulls weighing between 500 and 600 kg,[3] while cows weigh between 300 and 400 kg.
Legend has it that there was a less famous geneticist in the 1800s
named Megor Grendel. He did his experiments with the cats that lived in the monastery's barn. Here are some results from one of his 16 crosses:
Cross #3 Maggie (orange) x ? (possibly Tom, or maybe Bill)
Kittens:
1. light orange female
2. dark orange male
3. black female
4. light orange female with white paws
5. black male with white paws
6. orange ? (sex undetermined; died at birth)
Answer:
Few crosses
The complexity of cat genetics
Crosses not controlled by the researcher
Explanation:
The purpose of this question is to determine why Megor Grendel is less famous than that of Gregor Mendel.
Gregor Mendel examined pea plants, which have a number of benefits for deducing genetic rules, including:
The researcher has total control over the crosses. Because the peas have both self and cross-fertilization, it is possible to alter the crosses in the simplest way possible. Pea plants may be examined for a greater series of generations than cats or other animals. Because plant genetics is not overly complicated, several traits may be investigated at the same period.As a result, the primary factors why Megor Grendel's experiments are not well-known:
The presence of only a few crossings: It is impossible to establish a genetic theory with such a small number of crossings on the test subject of the organism. Cat genetics is too complicated therefore, the fur gene color on the X-chromosome, a characteristics mosaic inheritance. As a result, It is much too complicated to deduce an inheritance pattern. Crossings that the researcher cannot fully control. Unlike plants, crosses in animals cannot be totally controlled by the researcher.As a result, it is impossible to draw any conclusions from them.
Passive smoking may be banned in cars. Explain
how this may affect the number of cases of
lung cancer. [2]
Answer:
It would decrease the number of lung cancer cases
Explanation:
Many patients with lung cancer don't have to be actively smoking so they can actually get lung cancer by secondhand smoking(passive) especially in cars as the air is polluted and the car is like a small compartment with polluted air( lung cancer occurs over long periods of prolonged exposure especially in children)
