The Mordant gram's Iodine is used to trap the dye inside a cell
The mordant is Gram’s Iodine. This binds to the crystal violet making a huge complex that clings to the cell membrane. Gram’s Iodine is permitted to sit for 30 seconds then the decolorizor, 95% ethanol is added. Ethanol acts as a solvent which causes the crystal violet-iodine complex to dissolve away and rinse out of the cell wall if the cells are gram negative. recall that gram negative cells have a totally skinny layer, approximately 20% in their cellular wall, made from peptidoglycan. they may be, consequently, unable to hold the iodine-crystal violet complicated. Gram positive cells, however, comprise a completely thick layer of peptidoglycan, making up about 80% of their cellular partitions. And, this carries the dye complex even though the ethanol tries to do away with it. After 15 seconds or so of decolorization the slide is rinsed to do away with the ethanol and the counterstain, safranin, is carried out. Safranin, another definitely charged basic dye, adheres to the cell membrane. Gram negativ cells, having no dye present at this level of the staining method will bind the safranin and appear red underneath the microscope. The gram positive cells have retained the crystal violet and, despite the fact that additionally they bind the safranin, they still seem a dark purple.
To know more about gram positive cell click here
https://brainly.com/question/848496
#SPJ4
what is the repeating monomer of a dna molecule
Answer:
Nucleotide
Explanation:
Nucleotides are organic molecules consisting of a nucleoside and a phosphate. They serve as monomeric units of the nucleic acid polymers – deoxyribonucleic acid and ribonucleic acid, both of which are essential biomolecules within all life-forms on Earth.
Hoped this helps and brainlest please!
The repeating monomer of a DNA molecule is a nucleotide. A nucleotide is composed of three main components:
Sugar: DNA nucleotides contain a sugar called deoxyribose. The deoxyribose sugar molecule forms the backbone of the DNA strand.
Phosphate Group: Each nucleotide also has a phosphate group attached to the sugar molecule. The phosphate group connects the nucleotides together, forming a phosphodiester bond between the sugar of one nucleotide and the phosphate of the next nucleotide in the DNA chain.
Nitrogenous Base: The third component of a nucleotide is a nitrogenous base. There are four different nitrogenous bases found in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T). The specific arrangement of these bases along the DNA strand carries the genetic information.
In DNA, nucleotides are linked together in a linear chain through the sugar-phosphate backbone, with the nitrogenous bases projecting inward and forming hydrogen bonds with complementary bases on the opposite strand.
Thus, this base pairing (adenine with thymine, and cytosine with guanine) is a fundamental characteristic of DNA and is essential for its replication and genetic coding.
For more details regarding nucleotides, visit:
https://brainly.com/question/16308848
#SPJ6
how does direct sunlight affect an area
7. Which of the following is not an example of an abiotic factor?
O Water
O Soil
O Disease
O Air
Please help
Answer:
Disease
Explanation:
Water, Soil and Air are all biotic except for disease.
Organisms can adapt to their environment within one generation which of the folllwing best explains why the statement is either true or false
The statement "Organisms can adapt to their environment within one generation" is true and this is because many organisms have genetic variations or traits that allow them to better survive and reproduce in certain environmental conditions.
What is adaptation?Adaptation is the process of adjusting to new or changing circumstances in order to better survive, thrive, and function in a particular environment. It can refer to a range of biological, psychological, social, and technological processes through which individuals or systems change in response to various challenges or opportunities.
In biology, adaptation typically refers to the evolutionary process by which organisms develop characteristics that enhance their ability to survive and reproduce in their environment. These adaptations can be structural, physiological, or behavioral, and can arise through natural selection or other mechanisms.
Learn about adaptation here https://brainly.com/question/29594
#SPJ1
Can someone plz help me plz
Question 1
• In a food chain, the organism that eats the
secondary consumer is the:
• A. Carnivore
•B. Second consumer
•C. Primary consumer
• D. Producer
In a food chain, the organism that eats the
secondary consumer is the: Carnivore
Question 2 of 10
Which statement best describes the movement of materials across a cell
membrane using active transport?
OA. They move back and forth to keep both concentrations at zero.
OB. They move from an area of higher concentration to an area of
lower concentration.
OC. They move back and forth randomly between areas of different
concentrations.
OD. They move from an area of lower concentration to an area of
higher concentration.
Which statement describes an interaction between the biosphere and the atmosphere that is related to photosynthesis?.
One of the statements that describe an interaction between the biosphere and the atmosphere related to photosynthesis is that plants use carbon dioxide from the atmosphere to produce organic compounds in the biosphere, which releases oxygen back into the atmosphere during the process.
This is a long answer that explains the relationship between the biosphere and the atmosphere related to photosynthesis.Photosynthesis is the process that plants, algae, and some bacteria use to convert light energy into chemical energy in the form of organic compounds. During photosynthesis, plants take in carbon dioxide from the atmosphere and use it to produce organic compounds like glucose and oxygen in the biosphere. The process of photosynthesis is important for maintaining the balance of gases in the atmosphere because it helps to remove carbon dioxide from the air while releasing oxygen.Plants carry out photosynthesis in specialized organelles called chloroplasts, which contain the green pigment chlorophyll.
The pigment absorbs light energy from the sun and uses it to power the reactions that convert carbon dioxide and water into organic compounds like glucose. The glucose can then be used as an energy source by the plant for growth and other metabolic processes.In summary, photosynthesis is an interaction between the biosphere and the atmosphere in which plants use carbon dioxide from the air to produce organic compounds in the biosphere, which releases oxygen back into the atmosphere during the process. This process is important for maintaining the balance of gases in the atmosphere and providing energy for the plant and other organisms.
To know more about organic compounds visit:-
https://brainly.com/question/13508986
#SPJ11
How many of each molecule is there (H2O and co2 molecules)
6h2o + 6co2
Answer:
Six of each.
What is the ThOD of the following chemicals? Show the balanced stoichiometric equation with your work: (a) 5 mg/L C7H3 (b) 0.5 mg/L C6Cl5OH; (c) C12H10.
(a) ThOD of C₇H₃ is 6.36 mg/L.
(b) ThOD of C₆Cl₅OH is 1.12 mg/L.
(c) The ThOD can then be calculated using the stoichiometric ratios of the balanced equation.
(a) The theoretical oxygen demand (ThOD) for C₇H₃ is 6 mg/L. The balanced stoichiometric equation for the aerobic degradation of C₇H₃ is:
C₇H₃ + 10.5 O₂ → 7 CO₂ + 1.5 H₂O
To determine the ThOD, we need to calculate the amount of oxygen required to fully oxidize the organic compound to CO₂ and H₂O. From the balanced equation, we can see that 10.5 moles of oxygen are required to oxidize 1 mole of C₇H₃. Therefore, the ThOD for C₇H₃ is:
ThOD = (5 mg/L) x (10.5 mol O₂/mol C₇H₃) x (32 g O₂/mol) / (1000 mg/g) = 6.36 mg/L
(b) The theoretical oxygen demand (ThOD) for C₆Cl₅OH is 1.5 mg/L. The balanced stoichiometric equation for the aerobic degradation of C₆Cl₅OH is:
C₆Cl₅OH + 7 O₂ → 6 CO₂ + 2.5 H₂O + Cl₂
To determine the ThOD, we need to calculate the amount of oxygen required to fully oxidize the organic compound to CO₂ and H₂O. From the balanced equation, we can see that 7 moles of oxygen are required to oxidize 1 mole of C₆Cl₅OH. Therefore, the ThOD for C₆Cl₅OH is:
ThOD = (0.5 mg/L) x (7 mol O₂/mol C₆Cl₅OH) x (32 g O₂/mol) / (1000 mg/g) = 1.12 mg/L
(c) Without a specific reaction or conditions given, it is impossible to calculate the ThOD for C₁₂H₁₀.
However, in general, the ThOD for organic compounds can be estimated based on the assumption that all of the carbon and hydrogen atoms are oxidized to CO₂ and H₂O, respectively, and all of the nitrogen atoms are converted to NO₃⁻.
To know more about theoretical oxygen demand click on below link:
https://brainly.com/question/23274034#
#SPJ11
If the ribosome of a cell was destroyed, what effect would this most likely have on the cell?
Answer:
The cell would be unable to synthesize proteins
Select the correct answer from each drop-down menu.
Offspring inherit genes from their parents, and these genes determine their physical characteristics.
According to the law of _(blank)__, a heterozygous organism has about a _(blank)___ chance of producing gametes with the recessive allele.
A:
1. assortment
2. genetics
3. Segregation
B:
1. 25%
2. 50%
3. 75%
Answer:
1. Segregation
2. 50%
Explanation:
Plato anwser
hiiiiiiiii people!!!!!!!!!!!!!!
Answer:
hiiiiiiiiìiiiiiiiiiiiiiii
Answer:
um hi
Explanation:
Which of the following terms describes all of the living and nonliving things
that interact in an area?
A. Ecosystem
B. Biome
C. Population
D. Community
Answer:
Ecosystem
Explanation:
Ape-x
contrast cellular respiration and fermentation and explain which process is more efficient. why do your body's cells use fermentation during intense exercise?
Answer:
Cellular respiration produces 38Atp while fermentation produces 2 Atp, that being said Cellular respiration is more efficient than fermentation in the generation of ATP.
Explanation:
in fermentation, glucose reacts in the absence of oxygen to produce ATP. Cellular respiration is the more efficient process because it produces much more ATP from each glucose molecule than does fermentation. the body's cells use fermentation during intense exercise because their oxygen supply is limited
21. which of the following nerves originate from the lateral cord of the brachial plexus? a. axillary n. b. median n. c. musculocutaneous n. d. ulnar n. e. radial n.
The musculocutaneous nerve originates from the lateral cord of the brachial plexus. The correct option is C.
The brachial plexus is a network of nerves that originates in the neck and provides sensory and motor function to the shoulder, arm, and hand.
The lateral cord of the brachial plexus gives rise to the musculocutaneous nerve, which innervates the muscles in the anterior compartment of the arm, including the biceps brachii, brachialis, and coracobrachialis, as well as the skin on the lateral surface of the forearm.
The axillary nerve originates from the posterior cord of the brachial plexus, while the median nerve and ulnar nerve originate from both the medial and lateral cords.
The radial nerve originates from the posterior cord and has a significant contribution from the lateral cord.
Understanding the origin and distribution of these nerves is important for diagnosing and treating injuries or disorders affecting the brachial plexus.
To Know more about musculocutaneous nerve, refer here:
https://brainly.com/question/7496424#
#SPJ11
The _____ are a set of structures that work with neurons to control the vital activities of the human quizlit
The brain and spinal cord, collectively known as the central nervous system (CNS), are a set of structures that work with neurons to control the vital activities of the human body.
The brain serves as the command center of the body, coordinating and regulating various functions necessary for survival and daily activities. It processes sensory information, initiates motor responses, controls emotions, and governs cognitive processes such as memory, attention, and language.
The spinal cord acts as a communication pathway between the brain and the rest of the body. It relays signals from the brain to peripheral nerves, enabling voluntary movements and transmitting sensory information back to the brain for processing. The spinal cord also plays a vital role in reflexes, which are rapid, involuntary responses to stimuli.
Together, the brain and spinal cord form the central nervous system, which is responsible for regulating and coordinating the body's vital activities, including breathing, heartbeat, digestion, movement, and perception.
The neurons within these structures communicate through electrical and chemical signals, allowing for the control and integration of bodily functions to maintain homeostasis and ensure the well-being of an individual.
Learn more about spinal cord here ;
https://brainly.com/question/29588686
#SPJ11
Which conclusion does the following fact support?
Agricultural scientists are able to fortify foods with vitamins that are lacking in certain regions around the world.
1. Most of the food that we eat has been altered or added to in some way.
2. Agricultural science contributes to a healthier world population.
3. Genetic modifications and hormonal additives pose health risks.
4. Advancements in agricultural sciences are necessary to end hunger.
A scientist discovers a new microbial species. It is a single- celled eucaryote without cell walls. In which kingdom will it likely be classified
A scientist who discovers a new microbial species that is a single-celled eukaryote without cell walls would likely classify it in the kingdom Protista.
The kingdom Protista, also known as the protists, encompasses a diverse group of eukaryotic microorganisms that do not fit into the other traditional kingdoms such as Animalia, Plantae, or Fungi. Protists exhibit a wide range of characteristics and lifestyles, including both unicellular and multicellular forms.
The absence of cell walls in this new microbial species suggests that it does not belong to the kingdom Fungi, as fungi typically possess cell walls composed of chitin. The absence of specialized tissues and complex body structures also excludes it from the kingdoms Animalia and Plantae.
To learn more about Plantae: https://brainly.com/question/2272909
#SPJ11
what 2 gasses are involved in the formation of acid rain
Answer:
Sulfur dioxide and nitrogen oxides react with water and oxygen to form acid rain.
Hope it helps! :)
Answer:
Sulphur Dioxide and Nitrogen oxide
Explanation:
These gases are exerted into the sky as pollutants through human activities. Then, when the clouds form due to condensation, and become to heavy to hold, they start to release water in the form of rain. However, one slight change would be that they bring down the Sulphur dioxide and nitrogen dioxide with them.
This acid rain is mostly seen after a long summer, and when the first few rains are seen. This rain highly affects the happenings at the Earth. For example, they make the soil in fertile and leave farmers and gardeners under lots of work for when they re - plant later that year.
a) Explain why babies born to smokers tend to have a lower than average birth weight than babies born to non-smokers.
b) What two pieces of advice would you give to a pregnant woman to ensure she has a healthy baby?
A) When women smoke during pregnancy, the chemicals in cigarettes can reduce the amount of oxygen that the baby receives through the placenta. This reduced oxygen supply can cause the baby to grow more slowly, resulting in a lower birth weight. Additionally, smoking during pregnancy can also interfere with the development of the baby's lungs and can increase the risk of preterm delivery. All of these factors can contribute to a lower than average birth weight for babies born to smokers.
B) 1. Eat a balanced and nutritious diet.
2. Stay active, but listen to your body.
If a football player moves 65 meters in 10 seconds, what is his speed?
Answer:
Below
Explanation:
To find the speed/velocity of an object, you can use this formula :
v = displacement / time
Plugging in our values....
v = 65 m / 10 s
v = 6.5 m/s
Hope this helps! Best of luck <3
Based on the simulation, write a definition for the term “balanced chemical equation.”
Answer:
A balanced chemical equation is a way to show how the number of each type of atom is identical in both the reactants and the products of a chemical equation.
Sample answer for Plato and Edmentum.
Like and Rate!
Which of the following is NOT a way in which sexual development may differ from "expectation." Adult sex hormone profiles may differ from hormone profiles expected based on sexual anatomy or sex chromosomes. External sexual anatomy may not match internal sexual anatomy. Humans have been documented to produce both sperm and eggs simultaneously. External and/or internal sexual anatomy may different from expectations based on sex chromosomes. Human sex chromosomes can show a wide range of aneuploidies.
Human have been documented to produce both sperm and eggs simultaneously is NOT a way in which sexual development may differ from "expectation."
Human are a species of highly evolved primates that belong to the genus Homo. They are characterized by their advanced cognitive abilities, complex social structures, and tool-making skills. Humans have a wide range of physical and behavioral traits, including bipedal locomotion, opposable thumbs, and sophisticated language capabilities. They exhibit diverse cultures, societies, and belief systems. Humans have made significant advancements in science, technology, and the arts, shaping the world through their ingenuity and creativity. As social beings, humans thrive on interpersonal connections and have a deep capacity for empathy and cooperation.
Learn more about Human here:
https://brainly.com/question/30419048
#SPJ11
The thin segment of the nephron loop's descending limb ________. The thin segment of the nephron loop's descending limb ________. is easily broken and replaced often aids in the passive movement of water out of the tubule aids in the passive excretion of nitrogenous waste helps to pack a greater number of nephron loops into a smaller space
Answer:
The correct answer is ''aids in the passive movement of water out of the tubule''
Explanation:
The nephron loop has a descending branch, which goes to the renal medulla, and an ascending branch, which goes back to the cortex. The nephrons of these kidneys can have loops of Henle of different dimensions. The thin segment of the loop has thin epithelial membranes, its cells are highly permeable to water, but not to solutes. The water that exits from the descending portion of the nephron loop into the medullary space is immediately reabsorbed by the peritubular capillaries, causing osmolality to increase in both the tubular fluid and the medullary interstitial fluid. The characteristics of the descending branch differ from one species to another, the normal thing is that in one way or another, the osmotic concentration of the urine that moves through it is balanced with that of the interstitial fluid.
According to the sequence below (note that only one strand of double stranded DN written in the 5'3' direction, and the gene of interest is underlined), (A) design two primers (5 oligonucleotides in length) that could be used in PCR to amplify the template strand and its complement (indicate 5' and 3' end). (B) List other ingredients you need in PCR besides the primers. (6 pts)
To amplify the template strand and its complement in PCR, two primers of 5 oligonucleotides in length need to be designed additional ingredients required for PCR include a DNA template, DNA polymerase enzyme, nucleotides (dNTPs), buffer solution, and magnesium ions.
(A) To design the primers for PCR amplification, the 5' and 3' ends need to be indicated. Considering the given sequence with the gene of interest underlined, the primers should be designed in a way that they complement the template strand and its complement. The 5' end of a primer corresponds to the starting point, while the 3' end indicates the ending point of the primer sequence.
(B) In addition to the primers, several other ingredients are required for PCR. These include a DNA template, which serves as the starting material for amplification, and a DNA polymerase enzyme, such as Taq polymerase, that catalyzes the synthesis of new DNA strands. Nucleotides, also known as dNTPs (deoxynucleotide triphosphates), are the building blocks for DNA synthesis.
PCR also requires a buffer solution to maintain optimal pH and ionic conditions for enzymatic reactions to occur. Magnesium ions (Mg2+) are often included in the PCR reaction mix as they are essential for the proper function of DNA polymerase.
Learn more about nucleotides here:
https://brainly.com/question/16308848
#SPJ11
FILL THE BLANK.
"The amount of gases that can dissolve in seawater depends on
temperature and ____________________.
Group of answer choices
nutrients
depth
currents
salinity"
"The amount of gases that can dissolve in seawater depends on temperature and salinity." The quantity of dissolved salts in saltwater is known as salinity. It is one of the main elements affecting how soluble gases are in salt water.
The idea of colligative qualities can be used to explain the connection between salinity and gas solubility. The osmotic pressure produced by salts in saltwater, such as sodium chloride, has an impact on the solubility of gases.
Osmotic pressure rises in tandem with rising saltwater salinity. Gases are less soluble in water as a result of the higher osmotic pressure. Because of this, saltwater with a greater salinity has a lesser ability than seawater with a lower salinity to dissolve gases.
To know more about Osmotic pressure:
https://brainly.com/question/29819107
#SPJ4
What kind of mutation is this?
Original DNA: ACGTAGC
Mutated DNA: ACGTGAGC
deletion
O addition
O point
Answer: Addition
Explanation:
An additional base was added in the Mutated DNA. The original had 7 bases while the mutated has 8.
A deletion would obviously mean that the mutated DNA has less bases.
A point mutation is when a single nucleotide base is changed so there would be a difference in one of the letters in the mutated DNA.
pls help me with this and explain your answer
give the combining form meaning gray matter of the brain and spinal cord.
The combining form meaning "gray matter of the brain and spinal cord" is "polio" or "poliomyel".
The gray matter of the brain and spinal cord is made up of nerve cell bodies, dendrites, and axon terminals of neurons. It is responsible for processing and transmitting information. The gray matter is so named because it appears grayish-brown when viewed under a microscope due to the presence of large numbers of cell bodies and dendrites, which contain the pigment melanin.
The gray matter of the brain and spinal cord is involved in a wide range of functions, including sensory processing, motor control, and cognition.
To know more about spinal chord visit the link
https://brainly.com/question/31188410
#SPJ11