Answer:20 to 1
Explanation:
]
The ratio of the size of the bacterial cell to the size of the mesophyll cell is 1:20. It means that 20 bacterial cells can fits into a mesophyll cell.
Given here,
Size of the bacterial cell = 1 micrometer
Size of the mesophyll cel= 0.05mm
Equalize the measuring unit,
1 micrometer = [tex]\bold{10^-^6 m}[/tex]
1 millimetre = [tex]\bold { 10^-^3 m}[/tex]
So the ratio will be
[tex]\bold { = \dfrac{ 1 x10^-^6 m}{0.05 x 10^-^3 m} }\\\\\bold { = \dfrac 1{20} }[/tex]
Therefore, the ratio of the size of the bacterial cell to the size of the mesophyll cell is 1:20.
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Salt was added to the milk after it fermented over night. Does the salt effect the
size of the curds?
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The directions for making a protein
a. result in DNA.
b. are carried by DNA.
c. result in amino acids.
d. are carried by amino acids.
The directions for making a protein are carried by DNA. Option B.
How proteins are madeGenes are usually expressed in form of proteins and proteins are sequences of different amino acids. The amino acids are synthesized from genetic codes present in mRNA. mRNA is synthesized during transcription from DNA templates.
In other words, the sequence of amino acids in proteins is dictated by the sequence of nucleotides on mRNA. Whereas, the sequence of nucleotides on mRNA is dictated by the sequence of nucleotides on the coding strand of DNA that serves as the templates for the synthesis of the mRNA.
In summary, DNA is indirectly responsible for the sequence of amino acids present in proteins.
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Fossil records indicate that between 80 million and 60 million years ago the structure of the horned dinosaur frequently underwent rapid changes separated by long periods of stability. This pattern of change best illustrates the concept of -
Answer:
punctuated equilibrium
Explanation:
The punctuated equilibrium theory is a model of evolution by bursts of speciation, which was proposed by the paleontologists Niles Eldredge and Stephen J. Gould (1972). The theory of punctuated equilibrium states that evolution is characterized by rapid changes followed by longer periods of stasis where little observable evolution seems to occur judging from the fossil record. The punctuated equilibrium theory does not propose that Darwin's evolutionary gradualism is wrong, but this theory suggests that important evolutionary changes occur in short periods of time that are linked to speciation events. In consequence, fossils record does not represent transitional forms because of their small population size compared to the observed in stasis periods.
Use the words flexor and extensor to explain how muscles work in pairs.
By contracting, muscles pull on bones and allow the body to move. ... Each muscle in the pair works against the other to move bones at the joints of the body. The muscle that contracts to cause a joint to bend is called the flexor. The muscle that contracts to cause the joint to straighten is called the extensor
Which structures of the digestive system, aside from the small intestine, release substances that help break down food in the small intestine?
stomach and liver
liver and large intestine
pancreas and liver
large intestine and pancreas
Answer:
pancreas and liver
Explanation:
the pancreas releases enzymes that help break down sugars, fats, and starches. it also makes hormones that help your digestive system. the liver releases bile that breaks fat down into fattt acids.
Molds and Mushrooms are examples of organisms in the Kingdom Fungi. Therefore, these organisms would share characteristics such as...
A. Bacteria-like and eukaryotic
B. Heterotrophic and multicellular
C. Heterotrophic and prokaryotic
D. Protest like and autotrophic
Answer:
a
Explanation:
4) Aos poucos, as pessoas estão aderindo às lâmpadas de LED que são mais eficientes, pois
proporcionam a mesma energia luminosa de outras lâmpadas com menor consumo de
energia elétrica, ou seja, são mais econômicas. Sabendo disso, considere uma residência que
apresenta 8 lâmpadas fluorescentes compactas de 11 W que ficam acesas 5 horas por dia.
a) Qual o consumo de energia elétrica, em kWh, apresentado por essas lâmpadas em 1
mês (30 dias)?
b) Se cada uma das lâmpadas for trocada por uma lâmpada de LED de 7 W que
proporciona a mesma iluminação, qual será o novo consumo de energia elétrica, em
kWh, apresentado por essas lâmpadas em 1 mês (30 dias)?
c) Qual a quantidade de energia economizada em 1 mês (30 dias) com a troca das
lâmpadas?
d) Em um local onde o kWh custa R$ 0,50, qual o valor economizado anualmente na conta
de energia elétrica?
Answer:
umm I'm not sure how to answer this
can you help, have a wonderful day//no links !
Answer:
1 DNA
2.valine
3. glutamic acid
4. structure
5. function
which animal is it I am confused
Answer:
Fox
Explanation:
The fox receives all the energy from what it's pray ate and so on.
Which statement best compares the energy transformation of photosynthesis and cellular respiration? A) only photosynthesis uses oxygen to create energy B) only photosynthesis causes an increase in kinetic energy C) photosynthesis and cellular respiration both store energy in chemical bonds D) photosynthesis and cellular respiration both require chemical energy to make food
Answer:
D) photosynthesis and cellular respiration both require chemical energy to make food
Explanation:
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Photosynthesis and cellular respiration both store energy in chemical bonds.
Photosynthesis is the process by which green plants make food using sunlight and in the presence of chlorophyll. During photosynthesis, carbon dioxide is combined with water to produce glucose, oxygen and ATP molecules.
During cellular respiration, oxygen breaks down glucose in the mitochondria to yield CO2, H2O and ATP. In both cases, ATP which is the energy molecule of living things is produced. Therefore in both processes, energy is stored in chemical bonds.
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Energy that is stored in a person or object is called _____ energy
Answer:
potential energy?
Calculate the percentage of the class and North Americans who are heterozygous tasters. Round to the nearest hundredth. Heterozygous in class data Heterozygous in North America brainly
Answer:
Heterozygous in class data:
⇒ .44
Heterozygous in North America:
⇒ .48
Explanation:
edge 2021
Cardiac output is the amount of blood pumped by the heart in one minute. Which of these will increase cardiac output?
decreased blood volume
increased physical activity
decreased metabolic activity
increased resistance in blood vessels
Physical activity will increase cardiac output. Therefore, the correct option is "B".
What is cardiac output?Cardiac output is related to the heart's health. It tells the amount of blood pumping in and out of the chambers of the heart. This mechanism helps in circulation of the blood throughout the body. The blood can be oxygenated and deoxygenated. The circulation of blood to the vital organs and the main organ brain is circulated through this process.
The calculation of the cardiac output is oxygen consumption in ml per minute is divided by the oxygen concentration in arterial blood and minus oxygen concentration in venous blood in the body.
Therefore, the calculation of the cardiac output helps in the identification of the heart's health.
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The ATP produced by a plant cell is made in the process of CELLULAR RESPIRATION which occurs in the
A. endoplasmic reticulum.
B. ribosomes.
C. mitochondria.
Answer:
Mitochondria
Explanation:
Answer:
C
Explanation:
As mitochondria is the power house of plant cell.
You are replicating Gregor Mendel's famous experiment with sweet peas. The genotype for dominant smooth-seeded parent is designated AA, while the genotype for the wrinkled-seeded parent is aa. Using a punnet square predict the first generation for this cross. What are the genotypic and phenotypic ratios? SHOW ALL WORK.
Answer:
The correct answer is -
A. genotype ration = 1/1 or 100% of Aa.
B. phenotype = all smooth-seeded.
Explanation:
According to the question, in this experiment, the smooth seed is the dominant trait over the wrinkled seed. The wrinkled seed is recessive, therefore, represented by aa and dominant is represented by AA
gametes: A and A from smooth seeded parent and a and a from the wrinkled-seeded parent.
Punnett square:
A A
a Aa Aa
a Aa Aa
In this cross of F1 generation, all the offsprings are Aa in genotype 4/4 or 1/1 or 100 percent chances.
And phenotypically 100% chances of the smooth seed plants.
Recycling of car batteries can help to do what to lead?
Increase the mutation rate with radiation or chemicals.
Please give me short answers
Answer:
Use chemicals to prevent chromosomal separation during meiosis in plants.
Answer:
The risk of genetic mutation is expressed in terms of the doubling dose: the amount of radiation that would cause additional mutations equal in number to those that already occur naturally from all causes, thereby doubling the naturally occurring rate of mutation.
Explanation:
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The pH of a solution is a measure of how acidic or basic it is. The greater the pH, the more basic the solution is. Corals and other marine invertebrates require less energy to make their exoskeletons and shells when ocean water is slightly basic. As carbon dioxide concentrations in Earth’s atmosphere rise, ocean water absorbs carbon dioxide and becomes more acidic. This process is called ocean acidification. How do you think ocean acidification will affect the coral reef?
Explanation:
Because coral reefs have limestone (calcium carbonate), the coral reefs will be greatly affected. The increase in hydrogen ions in the ocean will corrode the coral reef, making it inhabitable for species. This will affect the crabs that get their food and the community that lives within in it. Making countless of species to loose their lives and their way if living.
A scientist designed and conducted an experiment to test a hypothesis, and then formed a conclusion from her results. Next, she collected and analyzed more data and formed another conclusion. Which statement best justifies the fact that she skipped the hypothesis and experimental design steps of the scientific method?
Answer: The scientist was repeating the experiment to improve the validity of her data.
Explanation:
The scientific method involves the observation of natural phenomena and then the postulation of hypotheses and their testing by experimentation. The knowledge we have represents scientific hypotheses and theories supported by observations and experiments (empirical method).
Experiments are performed to support/validate or refute one or many hypothesis. Several experiments provide insight into cause-and-effect by demonstrating what result occurs when a particular factor is manipulated.
A scientific hypothesis is an acceptable proposition that has been formulated through the collection of information and data, although unconfirmed, serves to provide an alternative answer to a scientifically based problem. Also when a research work is carried out, a conclusion should be drawn, which in these cases is an argument or statement that synthesizes the work done. The main ideas are taken and the research is summarized, explaining in the author's own words the reason for the results obtained. In the case of a discussion, the personal point of view of each of the members that participated in the experiment are exposed.
Since the scientist repeated the previous experiment to improve the validity of her data, that justifies the fact that she skipped the hypothesis and experiment. With the first results of the experiment, I formulate a conclusion. Then, with other results of the same experiment, he formulated another conclusion. So there is no need to repeat the experiment, because it is the same.
Answer:
C
Explanation:
EDGE 2022
Although identical twins inherit exact copies of the same genes, the twins may look and act
differently from each other because?
Answer:
Identical twins came from the same sperm and egg, so they have the same chromosomes and genes. So identical twins with identical DNA may have different genes turned on, causing them to look and act differently, and even to develop different diseases such as cancer.
Explanation:
Certain mental problems are thought to be caused by not having enough
neurotransmitters. Why would a lack of neurotransmitters cause problems?
A. Neurons would not be able to receive sensory messages.
B. Neurotransmitters send signals from neuron to neuron.
C. Neurons would not be able to grow longer.
D. Neurons would not be able to move to new areas.
Answer:
B. Neurotransmitters send signals from neuron to neuron.
Explanation:
Lack of neurotransmitters may cause problems because neurotransmitters send signals from neuron to neuron.
The lack of neurotransmitters cause problems because neurotransmitters send signals from neuron to neuron. Therefore, option (B) is correct.
A neurotransmitter is a molecule that a neuron secretes to influence another cell at a synapse. Another neuron, a gland or muscle cell, or the target cell, could be the cell that receives the signal.
Your body cannot function without chemical messengers called neurotransmitters. Chemical signals, or "messages," are carried from one neuron (a nerve cell) to the next target cell by them. The following objective cell can be another nerve cell, a muscle cell or an organ.
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With respect to the ABO blood group, a transfusion of AB blood may be given to a person who has what blood type?
Answer:
Group AB individuals have neither anti-A nor anti-B antibodies in their plasma. Group AB plasma can therefore be given to patients of any ABO blood group and is often referred to as the universal plasma donor.
Explanation:
Which of the following is NOT made up of atoms?
“Heat”
“A gas”
“A cell”
“A solid”
Answer:
A solid or Heat.
Explanation:
i think it is a solid.
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Identify what types volcanoes are basaltic,andesitic, or rhyolitic. (just put what type they are by their locations where they form)
1. Volcanoes that form along ocean-Continental subduction zones
2.Volcanoes that form along mid-ocean ridges
3. Volcanoes that form the melting of rocks in the upper mantle
4. Volcanoes that form along continental margins where magma mixes with continental crust
Answer:
1 basaltic
2basaltic
3 andesitic
4 rhyolitic
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Which of the following is a positive way that palm oil farms provide humans with natural resources.
Palm oil is found in all types of food and biofuels.
Palm oil produces more oil for a similar amount of land than other plants.
Palm oil tastes better and is healthier than other types of oils.
Palm oil has no positives related to natural resources.
Answer:
The palm oil industry has helped lift millions of people out of poverty in Indonesia and Malaysia, which together account for around 85 per cent of global production. Oil palm plantations have created millions of well-paying jobs, and enabled tens of thousands of smallholder farmers to own their own land.
Explanation:
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Answer:
Option -2 Palm oil produces more quantity of oil for a similar amount of land than any other plant is the correct answer.
Explanation:
firstly,
what is palm oil?Edible vegetable oil that is gathered from the mesocarp i.e., the reddish pulp of the fruit of the oil palms is known as palm oil. The oil is used in food manufacturing, making beauty products, and as biofuel.
Palm oil has many advantages that are listed below-
Palm oil is used for preventing aging, cancer, and brain disease and reduces heart disease risk.Oil palm plantation has provided millions of paying jobs and enabled thousands of smallholder farmers to own their land. Palm oil has a long shelf-life and is solid at room temperature, making it an ideal ingredient in a variety of food.Palm oil is used to manufacture sodium lauryl sulfate, which is widely used as a foaming agent(soap) in many body care products for e.g.-soap, detergents, etc.Besides all these positive ways one of the important uses of palm oil farms is that it helps in conserving natural resources.
How do palm oil farms help in conserving natural resources?
Oil palms are significantly more efficient than any other oil-producing crops. A single hectare of land can produce about 4.17 metric tons of sunflower oil, 0.16 tons of ground oil, and 0.39 tons of soybean oil. this means that significantly less land has to clear to meet demands for vegetable oil while other crops require at least five times more land to produce the same volume of oil as oil palms.
Conclusion-Palm oil produces more oil per land area than any other equivalent vegetable oil crops.
hence, the second option that says a similar amount of land produces more oil in the case of palm oil is the correct answer.
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What does biodiversity mean ?
Answer:
biodiversity mean Biodiversity, also called biological diversity, the variety of life found in a place on Earth or, often, the total variety of life on Earth.
Explanation:
Answer: Biodiversity is a term used to describe the enormous variety of life on Earth. It can be used more specifically to refer to all of the species in one region or ecosystem. Biodiversity refers to every living thing, including plants, bacteria, animals, and humans.
Explanation: Usually three levels of biodiversity are discussed—genetic, species, and ecosystem diversity.
Genetic diversity is all the different genes contained in all individualplants, animals, fungi, and microorganisms. It occurs within a species as
well as between species.
Species diversity is all the differences within and between populationsof species, as well as between different species.
Ecosystem diversity is all the different habitats, biological communities,and ecological processes, as well as variation within individual ecosystems.
What happens to hydrogen in the
chemical reaction of photosynthesis?
Answer:
In the first reaction, energy is used to split water molecules into hydrogen and oxygen. The hydrogen is needed for the second stage of reactions and the oxygen is released by the plant as a waste product. In the reactions of the second stage, the hydrogen is combined with carbon dioxide to make glucose.
Answer:In the first reaction, energy is used to split water molecules into hydrogen and oxygen.
Explanation: The hydrogen is needed for the second stage of reactions and the oxygen is released by the plant as a waste product. In the reactions of the second stage, the hydrogen is combined with carbon dioxide to make glucose.
When a liver cell divides to create a new liver cell, will they be identical haploid cells or diploid cells?
Answer: Diploid
Explanation : It's going to be identical Diploid cells
because diploid cells are stomach cells and the liver is beside the stomach which means that when liver cells divides to create a new cell they'll end up being diploid cells
Select the processes that allow water to return to Earth's atmosphere.
evaporation, respiration, sublimation, precipitation
evaporation, respiration, transpiration, sublimation,
evaporation, precipitation, condensation, respiration
condensation, precipitation, evaporation, sublimation
Answer:
Studies have revealed that evaporation—the process by which water changes from a liquid to a gas—from oceans, seas, and other bodies of water (lakes, rivers, streams) provides nearly 90% of the moisture in our atmosphere. Most of the remaining 10% found in the atmosphere is released by plants through transpiration.
Explanation:
i think it will help you
Answer:
Evaporation, respiration, sublimation, precipitation
Explanation:
I hope it will helps you