If mitosis DID NOT happen... the organism would stay as a single cell. The life we know it now... wouldn't exist as we have multi-cellular stuff.
When you open the door to your house on a cold day, you feel a cold draft. What causes
this?
1. Radiation leaking from the outside in.
2. Radiation leaking from the inside out.
3. Cold air from the outside moving toward warm air on the inside.
4. Warm air from the inside moving toward the cold air outside.
Answer:
4. Warm air from the inside moving toward the cold air outside.
Explanation:
A cold draft can be defined as the process in which a current of cold air is being drawn in from the outside. Also, it involves the process in which a current of warm inside air exits or leaves a building through an opening.
This ultimately implies that, when you open the door to your house on a cold day, you would feel a cold draft as a result of the movement between the warm air from the inside moving toward the cold air outside. The warm air that were trapped inside your house would escape through the door due to a difference between the outside (cold) and inside (warm) atmospheric pressure.
Hence, a difference in temperature and atmospheric pressure between the outside and inside air usually causes a cold draft.
Additionally, air typically moves or travels from a region of high pressure to a region of lower pressure.
what form of energy is stored chemical energy an example of?
Answer:Potential energy is stored energy and the energy of position. Chemical energy is energy stored in the bonds of atoms and molecules. Batteries, biomass, petroleum, natural gas, and coal are examples of chemical energy.
Explanation: sorry if it’s wrong
Describe the different stages and processes for fossil fuels and the carbon cycle in 5-7 sentences.
The carbon cycle is a complex and dynamic process that involves the exchange of carbon between the atmosphere, oceans, and land.
What is the fossil fuel cycle?The remains of extinct plants and animals that existed millions of years ago are what fossil fuels are made of. Beginning with the burial of organic matter, such as dead plant and animal debris, in sediments that build up through time, fossil fuels are formed.
Diagenesis, a chemical process that transforms organic matter into hydrocarbons like oil, coal, and natural gas, occurs as these sediments are buried deeper and exposed to heat and pressure.
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Topic
Describe the location of the
heart.
the most common source of osteomyelitis is an infection that migrates via the bloodstream. direct invasion from a fracture. surgical contamination. a joint prosthesis.
Answer:
The correct answer is ''an infection that migrates via the bloodstream.''
Explanation:
An infection is the invasion of pathogenic germs or microorganisms that reproduce and multiply in the body causing disease. Bones, like any other organ or tissue in the human body, can become infected. Osteomyelitis is a bone infection caused by bacteria, mainly Staphylococcus aureus, although in some cases it can also be caused by fungi. The infection can start in another part of the body and spread to the bone through the bloodstream. In this case, it usually occurs at the ends of the leg and arm bones in children and in the spinal column (vertebrae) in adults, especially the elderly.
1. Protozoa are: A multicellular organisms B one-celled animals C members of the group protoctista D unicellular plants 2. Micro-organisms include: A bacteria and some fungi B viruses C protozoa D all of the above 3. Viruses are sometimes not considered as living organisms because: A they do not have any of the organelles found in cells they are incapable of independent reproduction B C they cannot carry out any metabolic processes. D all of the above
Answer:
1,unicellular plants 2,All of the above
To investigate a possible relationship between two factors, such as acidity and solubility, you must first identify the variables involved in the experiment. Identify the independent variable, the dependent variable, and any possible confounding variables within this experiment.
Independent variables is acidity, pH, Dependent variables respond on any change in the independent is the solubility. Confusing variables can influence the results if not controlled include temperature, pressure, surface contact.
what are types of variable ?Independent variable Refers to all the variables is that provoke a response in another variable, the scientist changes it on purpose to observe the response of the dependent variable.
Dependent variable Refers to the variable response depends on any change in the independent variable. The response might be inversely proportional to the change in the manipulated variable.
The independent variable is acidity, Solubility is the dependent variable, which responds to the acidity of the solvent.
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What's the correct term for the descriptions
Creates proteins:
Packages proteins:
Moves proteins to the correct regions of the cell:
Fortifies the cell shape:
Mostly made of water:
Microtubule, Cytosol, Golgi Apparatus, Rough Endoplasmic Reticulum, Lysosome, Ribosome
Creates proteins: Ribosome
Packages proteins: Golgi Apparatus
Moves proteins to the correct regions of the cell: Microtubule
Fortifies the cell shape: Cytoskeleton
Mostly made of water: Cytosol
Ribosomes are organelles that are responsible for creating proteins by assembling amino acids based on the information provided by messenger RNA (mRNA). They can be found in both prokaryotic and eukaryotic cells. The Golgi Apparatus is a stacked organelle that modifies, sorts, and packages proteins into vesicles for transport to their final destinations within the cell or for secretion outside the cell.
Microtubules are part of the cytoskeleton, which is a network of protein fibers that provide structural support and shape to the cell. Microtubules are responsible for moving proteins and other cellular components to the correct regions of the cell, and they also play a role in cell division. The cytoskeleton is the network of protein fibers that provide structural support and shape to the cell. It is responsible for fortifying the cell shape and helping the cell maintain its structural integrity.
The cytosol is the liquid portion of the cytoplasm, which is the gel-like substance that fills the cell. It is mostly made of water and contains various dissolved ions, molecules, and proteins that are essential for cellular processes.
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PLEASE HELP
How does the environment impact a species’ survival?
In a respiration experiment we are measuring the rate alcoholic Fermentation in yeast by measuring the amount of CO2 produced Please assist with following questions
Answer and explanation:
1. sources of error- in the experiment, the amount of carbon dioxide released by east is monitored, a source of error could be the carbon dioxide present in the atmosphere which would interfere with the results.
2. baking recipes add sugars and molasses to provide carbohydrates for the yeast. this acts as a source of energy for the fermentation process.
3. the respiration of yeast could be monitored by measured the amount of sugar used or by measuring the amount of ethanol produced in the respiration process
4. high concentrations of sugar my inhibit yeast activity most likely because of the high osmotic concentration which prevents yeast from getting enough water for growth. as the osmotic concentration increases a yeast cell will reach a pont where water moves out of the cell.
how do Euglena reproduce?
Which of these energy resources is sustainable? A. Wind O B. Oil O C. Coal O D. Biofuel
Answer:
A. Wind.
Explanation:
Energy resources which are sustainable are the ones which would never run out. Wind is something that won't run out because of the windmills in several countries used to generate electricity. Oil, coal and biofuel are limited resources and isn't sustainable at all.
The energy resource that is sustainable from the given options is A) Wind. It is used in various ways of the energy production as well.
Biofuels can be sustainable, but it depends on how they are produced. Biofuels made from sustainable sources such as waste materials or non-food crops are considered sustainable.
However, biofuels made from food crops can contribute to deforestation, food shortages, and other environmental and social issues.Overall, Wind energy is the most sustainable option from the given choices as it is renewable and environmentally friendly.
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Question7 of 20
Which part of an electric motor transforms electrical energy intO mechanical
energy?
A. The rotating commutator
B. The turning electromagnet
C. The electric power source
D. The permanent magnets
Answer:b. the turning electromagnet
Explanation:
Answer:
B.
Explanation:
The turning electromagnet
6. Which of the following is NOT true?Chromosomes are compact and organizedChromosomes are made of DNAMost human chromosomes are known as autosomes
Chromosomes are made of DNA Most humans. Option B.
Chromosomes are made up of proteins and DNA organized into genes. Each cell normally contains 23 pairs of chromosomes. Chromosomes are thread-like structures made up of single molecules of protein and DNA that carry genomic information from cell to cell. Chromosomes are structures at the center of cells that carry long stretches of DNA.
DNA is the substance that contains the genes. It is a component of the human body. Chromosomes also contain proteins that help the DNA to exist in the correct form. But the story, from the 24 common ancestors she shares with her closest relative in the animal kingdom, the chimpanzee, to his 23 mating pairs, is both pretty simple and pretty cool. Millions of years ago after the final evolutionary split between humans and chimpanzees two chromosomes fused.
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Respiration occurs when oxygen enters the lungs and carbon dioxide is
exhaled.
True
Or
False????
Some dairy farmers want to increase the amount of milk produced by their cows. How can the farmers use selective breeding to increase milk production?
A.By increasing the age of the cows that are bred
B.By choosing cows that are high milk producers
C.By limiting the number of offspring per cow
D.By choosing cows that can produce milk after eating the most food
Answer:
I would say B.By choosing cows that are high milk producers
this is just my guess tho
So, the answer is B. Your welcome.
Which of the following characteristics least relates to prokaryotic cells?
1.cells that do not have a nucleus or membrane bound organelles
2.cells that have a nucleus and membrane bound organelles
3. bacteria
4. Archaea
Answer:
2
Explanation:
Prokaryotic cells don't have a nucleus or membrane bound organelles
Cells that have a nucleus and membrane bound organelles are least relates to prokaryotic cells.
A prokaryote is a single celled organism that lacks a nucleus, and other membrane bound organelles.What are eukaryotes?Eukaryotes are organisms whose cells contain a nucleus and other membrane-bound organelles. There is a wide range of eukaryotic organisms, including all animals, plants, fungi, and protists, as well as most algae. Eukaryotes may be either single-celled or multicellular.To know more about cells here
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Which process describes the function of the category of enzymes known as
DNA polymerases?
A. Add new nucleotides to a strand and repair any errors
B. Unwind the double helix of DNA
C. Separate the complementary strands of DNA
D. Bond together groups of nucleotides on the lagging strand
Answer:
The process that describes the function of DNA polymerase is add new nucleotides to a strand and repair any errors (option A).
Explanation:
In the context of DNA replication, a complementary strand must be formed using an existing strand as a mold. This replication process is facilitated by the enzyme DNA polymerase, which is responsible for binding complementary nucleotides to the new strand, following the sequence of the original strand.
Additionally, this polymerase can correct or repair any error in the base sequence —together with its exonuclease activity— guaranteeing the integrity of the genetic information contained in the DNA and avoiding possible mutations.
The other options are not correct because:
B. Unwinding the DNA double helix or separating the complementary DNA strands is done by the enzymes topoisomerases and heliases.
D. Bonding together groups of nucleotides on the lagging strand is done by ligase enzymes.
A is correct; add new nucleotides to a strand and repair any errors.
Please answer Quickly!!!
Answer: decrease, increase
Explanation: Coral can live in acidic water, but is less healthy and dense
14. Which words from the passage show the author's bias toward monarch butterflies? A "Eventually, monarchs reach homes as far north as Canada." B "Most monarch butterflies never live more than two months." c "These beautiful creatures are amazing to watch..." D "They beat their wings slowly and glide so they do not tire too easily."
Answer: C: "These beautiful creatures are amazing to watch."
Explanation: Bias is where an author adds their personal opinion on a topic such as this one on monarch butterflies. Sometimes, authors use bias and it gets away from the facts and the credibility that the topic should bring. In option C, the words "beautiful" and "amazing to watch" steers the reader away from the actual topic with their personal opinions. The other options from the passage include facts about the monarch butterflies and resisting the urge to add comments about how beautiful or interesting they are.
Hope this helps! :)
Eukaryotic cells undergo mitosis, which produces two identical daughter cells. These cells are identical to each other and to the original parent cell. From the options below, select ALL of the reasons why a eukaryotic cell undergoes mitosis and the cell cycle.
Answer: The formation of a new cell from the old cell is called cell division.
Explanation:
There are two types of cell division.
A cell division that has the same number of chromosomes as the parent cell is called mitotic cell division. The purpose of mitosis is to increase the number of cells to form a tissue.
The increase in the number of cells helps to make the tissue and repair the damaged cell.
Hence, the correct answer is the repair of damaged cells.
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Which statement is true about the appendicular skeleton of the human body?
Answer:
I am pretty sure it is, The consists of the bones that form the limbs and the bones that attach the limbs to the axial skeleton. But I am not positive, I hope this helps!!
Explanation:
Option C, It consists of the bones that form the limbs and the bones that attach the limbs to the axial skeleton.
The part of the vertebrate skeleton that has the bones that hold up the body is the appendicular skeleton, which comprises the elements within the limbs, pelvic and pectoral girdle. It holds the bones that produce and uphold the libms and joins them with the axial skeleton. The appendicular skeleton has 126 bones and helps manipulate the upper limbs.
Tobias found a rock that has a mass of 475kg. He placed it in 2000ml of water and the water rose to 2025ml. What is it’s density?
Given parameters:
Mass of rock Tobias found = 475kg
Volume of initial water = 2000mL
New volume = 2025mL
Unknown:
Density = ?
Solution:
Density is the mass per unit volume of a substance.
Mathematically;
Density = \(\frac{mass}{volume}\)
Volume of rock = New volume - Initial volume = 2025 - 2000 = 25mL
Now let us convert the mass to g;
1000g = 1kg
So; 475kg will be 475000g
So;
Density of stone = \(\frac{475000}{25}\) = 19000g/mL or 19000g/cm³
I need this now pleaseee
In your on word write a sentence describing a situation between 2 people and then rephrase to show empathy
4. The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell would be: which option is correct a) 1 mole of ATP b) 2 moles of ATP c) 3 moles of ATP d) 4 moles of ATP e) 6 moles of ATP
The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell is approximately 4 moles of ATP.
During oxidative phosphorylation, each mole of NADH can generate around 2.5 to 3 moles of ATP. Therefore, for 2 moles of NADH, the total ATP production would be in the range of 4 to 6 moles of ATP. While the more precise estimate falls within the 4 to 6 moles range, the closest option provided is 4 moles of ATP. It is important to note that the exact ATP yield can vary depending on factors such as the efficiency of the electron transport chain and the specific conditions within the cell.Since there are 2 moles of mitochondrial NADH, the total ATP yield would be around 4 to 6 moles of ATP. However, the most accurate option among the given choices is 4 moles of ATP.
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distribution of chlorophyll, stomata, mesophyll cells and vascular bundles support photosynthesis
Yes, the distribution of chlorophyll, stomata, mesophyll cells, and vascular bundles supports photosynthesis.
Let us discuss each separately.
Chlorophyll: It absorbs light energy from the sun, which is essential for photosynthesis. The distribution of chlorophyll within the mesophyll cells ensures that it is positioned optimally to capture sunlight.Mesophyll cells: Mesophyll cells are the main site of photosynthesis in plant leaves. It contains chloroplasts and provides a spongy texture to the leafy surface.Stomata: Stomata are small openings on the surface of leaves that regulate gas exchange, including the uptake of carbon dioxide (CO2) required for photosynthesis and the release of oxygen (O2) produced during photosynthesis. Vascular bundles: Specialized tissues composed of xylem and phloem, responsible for transporting water, minerals, sugars, and other substrates throughout the plant body.To know more, refer to;
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A diploid organism receives 9 chromosomes from mom and 9 chromosomes from dad. The chromosomal number for this individual is 2n = 2x = 18. What would be the chromosomal number of a hexaploid individual born from the same parents? a) X (haploid set chromosome number is 9) then 6X = 54 chromosomes. b) Hexaploid has 6 chromosomes more than its diploid 18 + 6 c) Hexaploid is always 6 chromosomes less than diploid 18-6 d) Both a and b e) None of the above
The chromosomal number of a hexaploid individual born from the parents having 9 chromosomes each will be: (a) X (haploid set chromosome number is 9) then 6X = 54 chromosomes.
Hexaploid is the condition where a cell consists of 6 copies of the total chromosomes. Since the parents contain 9 chromosomes therefore the 6 copies will form a total of 6 × 9 = 54 chromosomes.
Chromosomes are the compact form of genetic material. They are comprised of DNA and histone proteins. The structure of DNA consists of 2 sister chromatids joined together at the constricted DNA region called centromere. The transmission of genetic material from parent to offspring takes place in this chromosomal form.
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What are alleles? If individuals carry genes in pairs, is it possi-
ble for more than two alleles of a gene to exist?
An allele is one of at least two renditions of DNA grouping (a solitary base or a portion of bases) at a given genomic area. An individual acquires two alleles, one from each parent, for any given genomic place where such variety exists. Assuming the two alleles are something similar, the individual is homozygous for that allele.
Although individual people (and every diploid creature) can have two alleles for a given quality, numerous alleles might exist in a populace level, and various people in the populace might have various sets of these alleles.
What are the functions of Allele?
Alleles add to the organic entity's aggregate, which is the presentation of the life form. A few alleles are predominant or passive. At the point when a life form is heterozygous at a particular locus and conveys one prevailing and one latent allele, the creature will communicate the predominant aggregate.
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theorists who attribute some of the causes of deviant behavior to biology are employing ___ theories.
Those that use biological theories to explain some of the biological factors that contribute to abnormal behaviour do so.
What are biological explanations for abnormal behaviour?According to a biological hypothesis of deviance, a person's deviation from social standards is mostly a result of their biological make-up. Although it can be extended to informal deviance, the theory focuses primarily on formal deviance and uses biological explanations for criminality.
Which biological theories are there?With a focus on the conceptual unification provided by evolutionary and developmental approaches, the journal Biological Theory is devoted to theoretical developments in the disciplines of evolution and cognition.
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When a protein encoding gene is transcribed, the RNA molecule that is produced is referred to as ______ RNA (mRNA)
The majority of genes found in a cell's DNA dictate the amino acid composition of its proteins; these genes' translated products, known as messenger RNA (mRNA) molecules.
They ultimately control how proteins are made. By means of the transcription and translation processes, messenger RNA (mRNA) is a type of RNA that carries genetic information from DNA to protein. Making an RNA copy of a gene's DNA sequence is a process known as transcription in the context of genomics. The messenger RNA (mRNA) copy carries the DNA-encoded protein information for the gene.
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