1139062.5 escherichia coli (e. coli) bacteria are growing after an hour.
Initial value: 100.00 (x) when t = 0
After 0 min- 100000
After 10 min -150000 that is 1.5 ×x
After 20 min -225000 =50000×1.5
After 30 min- 337500
After 40 min- 506250
After 50 min- 759375
after 60 min- 1139062.5
E. coli, a member of the Enterobacteriaceae family, grows optimally at 37°C under aerobic conditions, although it is a facultative anaerobe and can therefore grow under anaerobic conditions. It has also been previously reported that some strains of E. coli have been known to grow at temperatures of up to 53°C, although this is not typical nor recommended for commonly used laboratory strains.
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The trend for women to delay childbirth until their late 20s or early 30s has ___________ while the peak years for female fertility are ____________.
The trend for women to delay childbirth until their late 20s or early 30s has continued while the peak years for female fertility are late adolescence and early adulthood.
Female fertility refers to a woman's ability to bear biological children. Female fertility is affected by age and is a major factor in female fertility. Fertility in women peaks between her late teens and late twenties, after which it gradually declines. Ovulation typically occurs 14 days before the start of the next menstrual period in a 28-day menstrual cycle.
The reproductive years of a woman are between her late teens and late twenties. Fertility (the ability to become pregnant) begins to decline around the age of 30. This decline accelerates once you reach your mid-30s. By the age of 45, fertility has declined to the point where most women will be unable to conceive naturally.
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escribe what happens during gene mutation
a botanist hypothesizes that as flowers evolved tubular corollas, their nectar attracted a particular species of long-tongued fly that became their only insect pollinator. for this hypothesis to be reasonable, what issue should the botanist address?
One who researches 'botany' is called a 'botanist'. Botany is one of the world's oldest natural sciences. initially, Botany protected all plant-like organisms inclusive of algae, lichens, ferns, fungi, and mosses in conjunction with actual flowers.
Darwin understood the centrality of development in a deep and profoundly vital manner, both for animals and for flora. His notebooks document his cautious studying and interest in animal embryology and plant leaf and floral organ morphogenesis.
Butterfly-pollinated plants usually have pretty flashy flowers in hues like crimson and purple. these plants do not have the quantity of pollen that bee-attracting flowers do, however they've huge components of nectar to feed the butterflies.
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The cell type that is responsible for maintaining bone once it has been formed is the ______.
a. osteoclast
b. osteoblast
c. chondrocyte
d. osteocyte
e. chondroblast
Answer: Osteoblasts B is the correct answer
Explanation:
Osteoblasts are the bone cells that are primarily responsible for synthesizing bone matrix proteins and minerals during early bone formation in the embryo
Dna replication relies on the blank______ of dna strands according to the blank______ rule.
The blank AT/GC rule states that blank complementarity between DNA strands is necessary for DNA replication.
How does the base pair rule in DNA replication function?Chargaff's Rule states that during the replication process, all replication must match complementary purines, pyrimidines, or nitrogenous bases. DNA always couples adenine and thymine together, but cytosine always couples with guanine.
What rules for DNA base pairing are relevant?According to the base pairing rule, guanine always joins with cytosine, whereas adenine always unites with thymine. They keep the two strands of DNA connected, but they are too weak to undergo replication.
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In cross section, the __________ matter of the spinal cord looks like a butterfly or the letter h.
In cross section, the gray matter of the spinal cord looks like a butterfly or the letter H.
Gray matter is the outermost layer of the brain and spinal cord that comprises of unmyelinated neurons and some other cells of the nervous system. The function of gray matter is in processing information. It also enables individuals to control movement, memory, and emotions.
Spinal cord is the backbone of the vertebrate organisms. In humans, it is composed of 5 types of bones that extend from the base of the brain to the hip region. The 5 types of bones are cervical spine (C1-C7), thoracic spine (T1-T12), lumbar spine (L1-L5), sacral spine (S1-S5), and a tail bone, that make up a total of 33 bones.
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which statement about coenzymes is false? some enzymes require a coenzyme to carry out their function or activity. a coenzyme attaches to the enzyme to form an active complex. coenzymes are a part of the enzyme structure. all b vitamins function as coenzymes.
Coenzymes are a part of the enzyme structure is the false statement here
A coenzyme is defined as an organic molecule that binds to the active site of a specific enzyme and helps catalyze a reaction. In particular, coenzymes can act as electron carriers in these reactions or transfer between enzymes as functional groups. Coenzymes are organic compounds necessary for the catalytic activity of many enzymes. They are the often vitamins or the derivatives of vitamins. It can act as a catalyst without an enzyme, but it is not as effective as when combined with an enzyme. Examples of the coenzymes: Nicotinamide Adenine Dinucleotide (NAD), the Nicotinamide Adenine the Dinucleotide Phosphate (NADP) and the Flavin Adenine Dinucleotide (FAD)
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When mutated cells ignore checkpoints, they reproduce uncontrollably, forming tumors. During which stage of the cell cycle does the cell divide into two cells?(1 point).
During the cell cycle's M stage (mitosis), a divides into two identical new cells.
What is tumors ?When aberrant cells congregate, a solid material of tissue called a tumor is created. Tumors can affect the bone, epidermis, tissue, organs, and glands. Whenever cells in the organ divide and enlarge excessively, tumors frequently form. The body typically controls how quickly cells grow and divide. New cells either take the place of older ones or perform new roles. To make way for healthy cells, damaged or extra cells die. New cells replace those that are lost as a result of aging or damage. This methodical procedure occasionally goes wrong, allowing damaged or abnormal cells to proliferate while they shouldn't. These cells have the ability to develop into tumours, which are tissue lumps. Malignant tumors could or might not exist (benign).
What are the types of tumors and its causes ?Various tumor types Cancerous: Tumors that are malignant or cancerous have the potential to spread to adjacent tissue, glands, and other bodily components. Benign tumors are also not malignant, rarely pose a life-threatening threat, and Precancerous: If left untreated, these benign tumors may develop into malignant ones. Tumor causes include: Benzene and other hazardous substances, overindulging in booze Environmental poisons include things like toxic mushrooms and a type of fungus called aflatoxins that can develop on peanuts. Radiation exposure, viruses, obesity, genetic issues, and too much sun exposure.
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The fact that genetic codon is universal indicates that all living organisms are.
The fact that genetic codon is universal indicates that all living organisms are : evolutionarily related.
What do you mean by genetic codons is universal?The genetic code is universal because all known living organisms use the same genetic code. This clearly shows that all organisms share a common evolutionary history and genetic code is unambiguous.
Genetic code consists of sequence of bases in DNA or RNA. Groups of three bases form codons where each codon stands for one amino acid.
The universal triple-nucleotide genetic code that allows DNA-encoded mRNA to be translated into amino acid sequences of proteins using tRNA and many modification factors, that is essentially common to all living organisms on Earth.
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armed with the information that chromatin coated beads can generate mitotic spindles in xenopus egg extracts, you decide to try to generate spindles using beads coated with proteins instead
Armed with the information that chromatin coated beads can generate mitotic spindles in xenopus egg extracts, to try to generate spindles using beads coated with proteins instead beads coated with active ran .
The mitotic spindle is a structure that bureaucracy at some stage in mobile department and separates duplicated chromosomes. In eukaryotic cells, the mitotic equipment consists of centrosomes and spindle microtubules (discern 43.nine). The centrosome is 1–2 μm in diameter.
The mitotic spindles migrate to contrary poles of the elongated mobile to help chromosomes align on the valuable equator of the cell, known as the metaphase plate. in the end, these mitotic spindle fibers move backward and forward and shorten to assist the duplicated chromosomes separate and migrate to the opposite poles.
The spindle formation begins during the prophase. at some stage in the prophase, the movement of centromeres closer to the two ends effects in the formation of tube-like systems referred to as the spindle fibers. these get assembled among the centromeres and the poles.
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Sadie buys 6 postcards and 4 souvenir magnets for $ 16.90. Cruz buys 3 postcards and 3
magnets for $ 10.80. Which system of linear equations can be used to solve for the cost
of each postcard, p, and each magnet, m?
A) 6p + 4m = 16.9. C. 6p + 4m = 16.9
3p + 4m = 10.8. 3p + 3m = 10.8
B) 6p = 16.9 + 4m. D. 6p = 16.9 + 4m
3p + 3m = 10.8 3p = 10.8 + 3m
A life cycle in which the only multicellular form is haploid is most typical of __________.
A life cycle in which the only multicellular form is haploid is most typical of Fungi.
Many fungi have life structure in which the multicellular body of the organism is haploid. The process of sexual reproduction, specialized haploid cells from a diploid zygote.
life cycle of fungi are considered to have many stages .They have four-stage life cycle spore, germ, hypha, mature mycelium. Plants mostly have multicellular haploid and multicellular diploid stages of life cycle . Fertilization is responsible for multicellular diploid sporophyte, that produces haploid spores via meiosis.
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Describe what happens in anaphase, include a picture of the process.
Anaphase is the third stage of Mitosis or cell division (karyokinesis). During this phase, the sister chromatids separate from each other and are pulled together opposite ends for the formation of daughter nuclei.
What is Anaphase?
During the cell cycle, the actual cell division takes places in the M-phase. This M-phase is called Mitotic or Meiotic phase. Cell division occurs in cell by two processes which are Mitosis and Meiosis.
Anaphase is the third phase of mitosis, during this process the separation of the duplicated genetic material is carried out in the nucleus of a parent cell into two identical daughter cells.
In anaphase stage, the sister chromatids separate out from each other and are pulled towards opposite ends of the parent cell. The protein which holds together the sister chromatids is broken down, this allows them to separate from each other. Each chromatid is now converted into chromosome. The chromosomes of each pair are pulled towards opposite ends of the cell to form the new duaghter cells.
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The ph of the inner thylakoid space, the stroma, and the cytosol of a particular plant cell has been measured. Which, if any, relationship would you expect to find?.
The relation between the ph of the thykakoid and the stroma is that the ph of thylakoid is lower than that of the stroma.
The ph of the thylakoid membrane is 8 under normal circumstances, but during photosynthesis it became extremely acidic, like 4. During the light reaction of photosynthesis, the electron transport chain uses the energy supplied by excited electrons to pump H+ ions from the stroma to the lumen of the thylakoid membrane. Both the stroma and the thylakoid membranes contain H+ ions. This proves that the ph of lumen of the thykakoid membrane is lower than the stroma.
We are aware that lumen has a large concentration of H+ ions and that the pH will be lower the more H+ ions there are. While plants often maintain an acidic pH in the stroma to increase the concentration and potential difference of H+ ions for ATP synthesis.
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How could too many nutrients impact the natural balance in an estuary?
if an estuary has too many nutrients, too much algae will grow, creating algae blooms. These algae blooms block sunlight and can suffocate fish and plant life by using up valuable oxygen from the water.
research has led scientist to conclude that fevers help the human body fight infection by elevating body temperatures and causing parts of the immune system to work better . Which statement does this conclusion BEST support ?
A. Fevers disrupt homeostasis
b. Fevers should immediately be treated with medication .
C. Fevers are a necessary part of maintaining homeostasis .
D. Fevers are rarely caused by bacterial infections .
Medication is to be taken as soon as possible for fevers.
The right response is B.
Does having a fever have any advantages?What advantages does having a fever have? No sickness causes a fever. It is an indication that your body is struggling to fight off a disease or infection. Fever activates the body's defenses, causing white blood cells and other "fighter" cells to be sent to battle and eradicate the infection's root cause.
Is a fever beneficial to the immune system?Your immune system can fight infections in two ways with the aid of a fever. The body's internal temperature affects how quickly cells function, particularly those that fight disease. They can react to encroaching pathogens more quickly. Additionally, bacterial and viral growth is hampered by greater body temperatures.
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Plasmids often have antibiotic resistance genes. How do scientists take advantage of the antibiotic resistance genes in the lab?.
Scientists take the advantage of plasmids having antibiotic resistance gene by using them as a vectors to clone, transfer and manipulate genes and also detecting the growth of such plasmids in selective media.
Plasmids are the extrachromosomal DNA present in bacterial cells. These are circular double stranded DNA molecules that can replicate on their own. Plasmids are known to exist in some archaea and eukaryotes as well. Usually consisting of DNA, some species are known to contain RNA as genetic material as well.
Vectors in laboratories are the agents that are used to transfer the gene of interest into the desired host cell. Vectors can be of two types: cloning vectors and expression vectors.
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Which environmental agency found itself under investigation after it
was discovered that it was making mutually beneficial agreements
with environmental polluters?
A-Environmental Protection Agency
B-U.S. Department of Agriculture
C-World Wildlife Fund
Environmental Protection Agency- found itself under investigation after it was discovered that it was making mutually beneficial agreements with environmental polluters.
What is Environmental Protection Agency?
President Richard Nixon issued an executive order in December 1970 creating the Environmental Protection Agency (EPA). The goal of this federal government organisation is to safeguard both human and environmental health. The EPA, which has its main office in Washington, D.C., is in charge of developing laws and standards that advance both public and environmental health.
Cosian bargaining theorem applies to EPA. The theorem states that polluter and victim can reach a mutually beneficial bargain if the damage from pollution is higher than the polluter’s net return from the sale of the good generating the pollutants.
Hence the correct option is A; Environmental Protection Agency
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What kind of nutrient should be consumed the night before or several hours before aerobic activity? Why?
No links or files! I will report!
The kind of nutrient that should be consumed the night before or several hours before the aerobic activity is complex carbohydrates.
What are complex carbohydrates?Complex carbohydrates are a special class of carbohydrate molecule that is generated by the union of simple carbohydrates through glycosidic bonds, which include for example starch and serves as long term storage of energy for aerobic exercise.
Therefore, with this data, we can see that the complex carbohydrates must be consumed 2 o 3 hours before aerobic activity because this type of nutrient functions as a storage of energy.
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Can someone find all of the amino acid structures in the chain pictured at the top right please this is urgent.
The amino acids present in the peptide structure are:
leucinecysteinetyrosine, andglutamic acidWhat are amino acids?Amino acids are organic compounds that form the building blocks of the macromolecular structures called proteins.
Amino acids are liked to each other by peptide bonds to form the primary structure of proteins.
Peptide bonds are formed between the carboxy-terminal of one amino acid and the N-terminal of another amino acid. A water molecule is removed when peptide bonds are formed between two amino acids.
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A student studying the phosphate runoff into the Chattahoochee River basin near Atlanta, Georgia, developed the following model to show the impact of the mandatory restrictions that were put in place during 1995 to limit the runoff.
Which factors most likely contributed to the trends in phosphate runoff before the restrictions were implemented? Select two options.
Responses:
Increases in new of plant growth in the wetlands around the river
Weathering events happening on surrounding mountains
The application of fertilizer resulting in agricultural runoff
An increase in the number of animals eating plants
Uplifting of rock masses from recent earthquakes
The factors which most likely contributed to the trends in phosphate runoff before the restrictions were implemented is as a result of the following below:
Weathering events happening on surrounding mountainsApplication of fertilizer resulting in agricultural runoff.What is Fertilizer?This is referred to as a substance which contain chemical elements and is applied to the soil for the increase in growth and productivity. it is commonly used in agriculture to provide the required nutrients to the plants.
Fertilizer contain elements such as nitrogen, phosphate etc which seeps into the soil during weathering process which involve water and when there is an agricultural runoff which is therefore the reason why option B and C were chosen as the correct choice.
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what combination do big agricultural farms want to produce alot of crops without having to manually remove weeds? what combination do big agricultural farms want to produce alot of crops without having to manually remove weeds? weeds that are resistant to glyphosphate and crops that are not resistant.
Big agricultural farms want to produce a lot of crops without having to manually remove weeds by using the combination of "weeds that are resistant to glyphosphate and crops that are not resistant."
What is agriculture?Agriculture, sometimes known as farming, is the cultivation of plants and cattle. Agriculture was an important step in the growth of sedentary human civilization, since it produced food surpluses that allowed people to live in cities. Agriculture has been around for thousands of years. Agriculture is classified into four types: shifting cultivation, subsistence farming, pastoralism, and intensive farming. Agriculture is the practice of cultivating soil, growing crops, and rearing livestock. It entails preparing plant and animal items for human use and distributing them to marketplaces.
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I lied lol... I'll add more points for these 2 :)
Answer:
1st Picture B, The air cools until it reaches the dewpoint.
2nd picture is, B. The air temperature is closer to the dewpoint, making cloud formation more likely.
Explanation: Hope this helps!
The greater the temperature difference between two temperature reservoirs, the more ________ can be done.
The greater the temperature difference between two temperature reservoirs, the more the greater the efficiency can be done.
A thermal reservoir, also thermal power reservoir or thermal bath, is a thermodynamic machine with a heat ability so large that the temperature of the reservoir modifications fantastically little while a far greater massive quantity of heat is brought or extracted.
In actual thermodynamic structures, expansive bodies of water which include oceans, lakes or rivers are taken into consideration thermal strength reservoirs because of their huge masses and high warmness capacities. The environment is also considered a thermal power reservoir.
Temperature is one of the thermodynamic houses of fluids that determines the kingdom of hotness or coldness of it. Temperature is measured in both Kelvin or Celsius or Fahrenheit. Kelvin is the most commonplace one that is used because of its independence from the houses of the substance.
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A new organism has been discovered! It was discovered inside a chicken's intestines, in Washington
state! In examining the organism under a microscope, scientists found that it is a single-celled organism that
consumes tiny bacteria. Upon studying it further, scientists also observed that this organism does not have a
nucleus.
These scientists are working to classify this organism. What Kingdom would you recommend they classify this
organism into and why?
Answer: Bacteria because its single celled and it can only be seen through a microscope
Explanation: that's all i know
Which amino acid chain will be formed by the codons shown below?
Answer:
I will tell you when i know
Explanation:
Eukaryotic chromosomes tend to be much larger than prokaryotic chromosomes. In order to package these large chromosomes into the nucleus, which family of proteins are used by the cell?(1 point).
In order to package these large chromosomes into the nucleus Histone proteins is used by the cell .
Eukaryotic chromosomes are places inside the nucleus, whereas prokaryotic chromosomes are inside the nucleoid. Eukaryotic cells looks larger than prokaryotic cells because eukaryotic cells have a nuclear membrane and membrane bound organelles.
Eukaryotic cells are bigger in size than that of prokaryotic cells because of the compartment structure. Eukaryotic cells contain different membrane-bound structures termed as organelles, that carries out different functions within the cell.
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the major cation in extracellular fluid is
Answer:
Sodium is the major cation found in intracellular fluid.
Which of the following substances has been banned as an ergogenic ald by a national athletic association in the United States? Check all that apply Check Al That Apply A. Anabolic steroids B. Growth hormone C. Branched-chain amino acids D. Creatine E. Beetroot juice
Anabolic steroids substances has been banned as an ergogenic ald by a national athletic association in the United States.
What are anabolic steroids?
Anabolic steroids are class C medications that require a prescription and can only be distributed by pharmacists.
Having anabolic steroids for personal use is acceptable. As long as it's done in person, they can also be imported or exported. Therefore, they cannot be sent over the mail or delivered by a courier or freight company.
If you're suspected of distributing or selling anabolic steroids, it's against the law to possess, import, or export them. They can also be given to friends. The punishment is an infinite fine or potentially a 14-year prison term.
Therefore, Anabolic steroids substances has been banned as an ergogenic ald by a national athletic association in the United States.
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You are studying a drug that blocks translation in bacteria. You want to know more about its mechanism of action. You treat bacteria with the drug and isolate mrnas with their associated proteins from the treated bacteria. In bacteria treated with the drug, you find that small ribosomal subunits are bound to the mrnas, but not the large subunits. In which stage does this drug arrest translation?.
In bacteria treated with the drug, you find that small ribosomal subunits are bound to the mRNAs, but not the large subunits. This drug arrest translation in the termination stage.
The natural compound Blasticidin S, which acts on both prokaryotic and eukaryotic cells and inhibits both peptidyl-tRNA hydrolysis and to a lesser extent peptide bond formation, is the only known small molecule inhibitor that impacts termination.
However, this medication binds to the ribosomal 50S subunit at a place shared with several other antibiotics and functions primarily as a PTC inhibitor that has been demonstrated to deform the CCA end of the P-site tRNA8. Therefore, interference is its way of action.
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