What was shown by both Redi’s and Pasteur’s experiments?
What is the name of the mixture that has particles too small to see, but big enough to block light?
When light passes it through that solution it is called Tyndall Effect and occurs in Coloids. The individual dispersed particles of a colloid cannot be seen. When light is passed through a true solution, the dissolved particles are too small to deflect the light. so answer to your Q is Coloids. The answer might be Coliods or Suspension but maybe its Coloid
The name of the mixture that has particles too small to see, but big enough to block light is colloid.
When light passes it through that solution it is called Tyndall Effect and occurs in Colloids. The individual dispersed particles of a colloid cannot be seen. When light is passed through a true solution, the dissolved particles are too small to deflect the light. so answer to your Q is Colloids.
A colloid's particles are frequently electrically charged, remain scattered, and do not settle as a result of gravity. Whipped cream is characterized as per it's characteristic and properties are based on physical and chemical :- Colloid each mixture as a solution, colloid, suspension.
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OLEASE HELP!! (DONT FAKE ANSWER PLZ)
Answer:
15 - a. twice
15 - c. Winter, shortest
15 - d. Summer, longest
16 - a. equal night
16 - b. 12, 12
16 - c. twice
16 - d. vernal, March 21st
16 - e. September 23rd
Explanation: Good luck! :D
what are the types of human grafts.somebody help
what do scientist need to look at before devleping an argument
Answer:
Because they are genuis
Explanation:
Consider the following two statements about succession.
Student 1:
Matthew - As succession begins, communities tend to be dominated by mostly K-selected species. As succession continues, r-selected species tend to compete better and therefore become more and more common.
Student 2:
Iman - As succession begins, communities tend to be dominated by mostly r-selected species. As succession continues, K-selected species tend to compete better and therefore become more and more common.
Which student is correct?
a. Provide a rationale for your answer (2 marks)
b. Provide a specific example of succession which includes at least one example of an r-selected and one example of a K-selected species. (1 mark)
Note - No marks are earned by simply agreeing with either Matthew or Iman
Select the correct answer. Plants, through the process of photosynthesis, use solar energy to produce the end product glucose. Since energy is used here, what type of reaction is photosynthesis? A. Endergonic reaction B. Exergonic reaction C. Reversible reaction
Since energy is used, the type of reaction photosynthesis is : ( A ) Endergonic reaction
What is Endergonic reaction ?Endergonic reaction is a type of reaction that requires a free energy to continue, since photosynthetic organisms such as green algae require the use of free energy ( solar photons ) to reduce CO₂ and oxidation of H₂O to oxygen.
Therefore we can conclude that photosynthesis is an example of an endergonic reaction.
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What is the Difference between the digestive system of humans and rabbits
The digestive system of humans and rabbits differ in terms of their anatomy and the types of food they consume.
Humans have a longer digestive tract than rabbits, consisting of the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus. This system allows us to break down complex carbohydrates, fats, and proteins to produce energy.
Rabbits, on the other hand, have a shorter digestive tract and a specialized organ called the cecum, which is located at the beginning of their large intestine. The cecum contains bacteria that break down cellulose, the main component of plant cell walls, which rabbits consume as their primary food source.
Furthermore, rabbits also practice a process called hindgut fermentation, which involves the fermentation of ingested food by bacteria in the cecum and the absorption of nutrients in the colon. In contrast, humans do not have a cecum or practice hindgut fermentation.
Overall, the main difference between the digestive system of humans and rabbits is their adaptation to different diets. While humans are omnivorous and can consume a variety of food, rabbits are herbivores and have specialized digestive organs to extract nutrients from their plant-based diet.
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Which of the following would not provide a person with complete protein or complimentary protein if eaten together
a. summer squash and tomatoes
b. kidney beans and rice
c. peanut butter and jelly on wheat bread
d. cereal and milk
On the other hand, complementary proteins are incomplete proteins that can be eaten together to provide all essential amino acids. the item that does not provide a person with complete protein or complementary protein if eaten together is (a) summer squash and tomatoes.
Protein is an important macronutrient that plays an important role in many physiological processes in the body. Proteins are the body's building blocks, and they help to repair, rebuild, and maintain muscle, bone, and other tissues. They are made up of amino acids, which are the building blocks of protein. Amino acids are involved in a variety of biological functions, including hormone and enzyme production, immune function, and nutrient absorption.What is a complementary protein?Complementary proteins are a combination of two or more incomplete proteins that provide all of the essential amino acids in the right proportions. Complementary proteins are generally found in plant-based diets, which are often low in certain amino acids. Complementary proteins can be found in a variety of plant-based foods, including beans and rice, lentils and barley, and corn and beans.A complete protein is a protein that contains all nine essential amino acids in the appropriate proportions. Complete proteins are often found in animal-based diets, such as meat, fish, eggs, and dairy products. Plant-based diets, on the other hand, tend to be low in certain essential amino acids, making it difficult for vegans and vegetarians to get the nutrients they need from their diets.To summarize, (a) summer squash and tomatoes do not provide a person with complete protein or complementary protein if eaten together. Kidney beans and rice, peanut butter and jelly on wheat bread, and cereal and milk all contain complementary proteins that can be eaten together to provide all essential amino acids in the right proportions.
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Which of the following is the type of cell division by which somatic cells divide?
Meiosis
Mitosis
Oogenesis
Spermatogenesis
Light information reaches the suprachiasmatic nucleus via the: A) lateral geniculate pathway. B) occipital cortex. C) thalamic pathway.
Light information reaches the suprachiasmatic nucleus via the thalamic pathway. So, the correct answer is option A.
The suprachiasmatic nucleus is a small cluster of cells located in the hypothalamus that is responsible for regulating our circadian rhythm. It receives information about light and dark cycles through a specialized pathway called the retinohypothalamic tract. This pathway starts at the retina of the eye and travels to the suprachiasmatic nucleus via the thalamus.
The thalamus is a relay center in the brain that processes and directs sensory information to the appropriate areas of the cortex. In the case of light information, the thalamus receives signals from the retina and sends them to the suprachiasmatic nucleus to help regulate our sleep-wake cycle. This pathway allows the body to adjust to changes in the environment and maintain a consistent daily rhythm.
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Los Parques Nacionales Naturales de Colombia se caracterizan porque:
1. Sus Ecosistemas no han sido alterados por la explotación y ocupación humana.
2. Son zonas delimitadas por criterios de Geografía Física: como relieve, clima, hidrografía, vegetación y suelos.
3. Allí nacen numerosos Ríos.
4. Satisfacen necesidades de la población.
Answer:
Explanation:
2. Son zonas delimitadas por criterios de Geografía Física: como relieve, clima, hidrografía, vegetación y suelos.
which protein(s) aggregate in complexes called purple patches? choose one or more: a. sensory rhodopsin ii b. sensory rhodopsin i c. bacteriorhodopsin d. phosphate permease e. halorhodopsin
Bacteriorhodopsin aggregate in complexes called purple patches. The correct option is C.
Bacteriorhodopsin is a membrane protein that is synthesized by Halobacterium halobium .
Patches of a distinctly different structure from the rest of the cell membrane occur in Halobacterium halobium. The isolated patches are called the purple patches. These patches derive their color from bacteriorhodopsin, a retinal-protein complex. Bacteriorhodopsin is the only protein species in this membrane serving a phototransducing function. It captures light energy and uses it to move protons across the membrane out of the cell. The resulting proton gradient is subsequently converted into chemical energy.
Therefore, option C bacteriorhodopsin is the correct answer.
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it wont let me type it in smh
Answer:
ANSWER CHOICE A
Explanation:
the chart shows that both Pongos are almost directly related to each other!
state two distinguishing features of all prokaryotes
Answer:
1.All prokaryotic cells have a nucleus
2.Prokaryotes r mostly complex cells orgainsms
what five conditions are necessary to maintain genetic equilibrium
Answer:
no mutation, no gene flow, large population size, random mating, and no natural selection.
Explanation:
The Hardy-Weinberg equilibrium can be disrupted by deviations from any of its five main underlying conditions.
arabidopsis plants with a mutation in the gene embryonic flower (emf) produce flowers almost immediately after germination, before shoot growth occurs. what is the normal role of this gene?
The normal role of the gene embryonic flower (emf) with a mutation in Arabidopsis plants is to regulate the timing of flower development.
The gene embryonic flower (emf) plays a crucial role in Arabidopsis plants by controlling the timing of flower development. In normal plants, flowers are produced after shoot growth has occurred. However, when there is a mutation in the emf gene, Arabidopsis plants produce flowers almost immediately after germination, before shoot growth occurs.
It ensures that flowers are not produced too early, before shoot growth occurs. When there is a mutation in the emf gene, as in arabidopsis plants with a mutation in the gene embryonic flower, flowers are produced almost immediately after germination. This means that the normal function of the emf gene is to delay flower development until shoot growth has occurred.
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PLEASE HELP!! Easy 10 points!!
Answer: I am pretty sure is A!
What is Blumenbach's 1775 Classification
Answer:
In the second edition of On the Natural Varieties of Mankind, Blumenbach used Bildungstrieb to explain the degeneration of an original type of human into the five varieties—which he later classified as Caucasian, Mongolian, Malayan, Ethiopian, and American—found around the world
Explanation:
Id.k if this is wat u were looking for so mb if its not
According to this cladogram, what do amphibians and birds have in common? 1. Four limbs2.Egg Shells3.Amniotic egg4.Hair/fur
Like any cladogram, we have traits that will mark differences among groups and will allow us to solve phylogenies, in this case, each dot is a trait, so if we look at the point where amphibians diverge from the rest of the groups we have four limbs, therefore the correct answer is option 1.
How is meiosis different from mitosis?
Answer:
Mitosis produces two genetically identical “daughter” cells from a single “parent” cell, whereas meiosis produces cells that are genetically unique from the parent and contain only half as much DNA. Most cells in the body regularly go through mitosis, but some do so more often than others.
Explanation:
Which statement is true regarding kidney function? A. They are responsible for maintaining fluid and electrolyte homeostasis. B. They normally filter more than 70 L of fluid an hour. C. They are responsible for activating vitamin C D. They contain 100,000 nephrons.
Regarding kidney function, they are responsible for maintaining fluid and electrolyte homeostasis. The correct answer is A.
Kidneys are a pair of organs located on either side of the spine that are responsible for maintaining fluid and electrolyte balance in the body. They do this by filtering the blood and removing excess fluids, salts, and waste products. The kidneys also produce hormones that regulate blood pressure and control the production of red blood cells.
While it is true that the kidneys filter a large amount of fluid each day, they do not filter more than 70 L of fluid an hour. The average person's kidneys filter about 180 L of fluid per day, which is about 7.5 L per hour.
The kidneys are not responsible for activating vitamin C. This is a function of the liver.
Finally, the kidneys do contain a large number of nephrons, but not 100,000. Each kidney contains about 1 million nephrons, which are the functional units of the kidney responsible for filtering the blood.
In conclusion, They are responsible for maintaining fluid and electrolyte homeostasis.
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whose work suggested that a "transforming principle' exist that can transform one strain of bacteria into another
Oswald Avery's experiments with Streptococcus pneumoniae suggested that DNA was the "transforming principle" responsible for converting one strain of bacteria into another, establishing DNA as the genetic material.
The work of Oswald Avery, along with his colleagues Colin MacLeod and Maclyn McCarty, suggested the existence of a "transforming principle" in bacteria. In the 1940s, they conducted a series of experiments at the Rockefeller Institute for Medical Research to investigate the nature of genetic material.
Avery and his team focused on a specific bacterium called Streptococcus pneumoniae. They observed that when a non-virulent strain of the bacteria was mixed with a heat-killed virulent strain, the non-virulent strain transformed into a virulent form capable of causing disease. This transformation occurred even without the presence of live bacteria, indicating that some substance from the heat-killed bacteria was responsible for the transformation.
To identify the transforming principle, Avery and his colleagues performed a series of experiments. They treated the heat-killed bacteria with various enzymes that could break down different types of molecules, such as proteins, lipids, and carbohydrates. Only when they treated the bacteria with an enzyme that could break down DNA did the transformation cease. This led them to conclude that DNA was the transforming principle.
Avery's groundbreaking work provided strong evidence that DNA carries genetic information and has the ability to transform one strain of bacteria into another. This laid the foundation for understanding the role of DNA as the genetic material in living organisms.
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Volleyball season is right around the corner and I think I need to make sure I am healthy and I want to lose some weight. I keep seeing these commercials for Special K cereal and if you eat it for 2 weeks, you will lose 10 pounds. I want to test this idea and see if it actually works. I plan on eating whatever I want for the next two weeks and am going to track my weight every morning. Then I will eat nothing but Special K cereal, milk and water for two weeks and track my weight in the morning. What do you think my hypothesis should be? What will my variables be? Hypothesis: Independent variable: Dependent Variable:
Answer:
Hypothesis: If you eat Special K cereal for 2 weeks, you will lose 10 pounds.
Independent variable: Special K cereal.
Dependent Variable: Weight lose.
Explanation:
Hypothesis: The term "hypothesis" is determined as a testable and a precise statement of what a specific researcher or experimenter predicts would be considers as the outcome of a particular study.
Independent variable: In research, the term "independent variable" is determined as a variable that is being re-organized in an experiment or research in order to see its impact on the dependent variable. Independent variable influences the dependent variable directly.
Dependent variable: The term "dependent variable" is determined as a variable that is being measured or tested in an experiment or research by the experimenter or researcher and is directly influenced by the independent variable.
Bergey’s Manual of Systems Bacteriology provides information on classifying bacteria according to rRNA.
True
False
Bergey’s Manual of Systems Bacteriology provides information on classifying bacteria according to rRNA. This statement is true.
What is Bergey's manual of systematic bacteriology?
Bergey's Manual of Systematic Bacteriology is a reference work containing information on bacterial taxonomy, including classification based on rRNA sequencing. This manual is widely used in the field of bacteriology for identifying and classifying pathogenic and non-pathogenic bacteria. Gram staining, which is used to differentiate between gram-positive and gram-negative bacteria, is also an important tool in bacteriology.
Bergey's Manual is an important resource in bacteriology, which is the study of bacteria. It helps researchers and scientists classify and identify bacteria, including pathogens, which are disease-causing microorganisms. The manual also contains information on methods such as gram staining, a technique used to differentiate bacterial species into two groups (Gram-positive and Gram-negative) based on the characteristics of their cell walls.
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The process by which a bacteria cell divides into two identical cells is called:
A. Binary Fission
B. Regeneration
C. Cellular Meiosis
D. Fragmentation
The green anaconda is a nonvenomous snake that lives in tropical rain forests of South America. While the green anaconda can swim to hunt for food, it primarily lives on dry land. Female green anaconda usually gives birth to 20 to 40 live young in a single litter. Which type of fertilization is likely used by green anacondas and why? O external fertilization because they hunt in the water external fertilization because they produce large numbers of offspring O internal fertilization because they live in a tropical environment O internal fertilization because they live mostly on dry land
The green anaconda likely uses internal fertilization because they live mostly on dry land. This type of fertilization allows the anaconda to reproduce successfully in its terrestrial habitat, without depending on water for fertilization.
Green anacondas are well adapted to aquatic life. Their nose and eyes are on the top of their heads to help them see and breathe while swimming. Green anacondas reach sexual maturity between the ages of 3 and 4 years. During the dry season, mating takes place from March through May. Males congregate in groups of up to 13 snakes and mate with a single female. They form a "breeding ball," in which the males surround and compete for entrance to the female's cloaca. Females give birth to 20-40 young in the water after sheltering for the remainder of the dry season. While they can swim to hunt for food, their primary habitat is on land, which makes internal fertilization more practical and efficient for reproduction. Additionally, female green anacondas give birth to live young, which is a characteristic of internal fertilization.
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are three nucleotide units of information in mRNA that specifies a particular amino acid. They correspond to complementary sets of three nucleotides on tRNA called
Answer:
anticodontRNAs
Explanation:
bring their amino acids to the mRNA in a specific order. This order is determined by the attraction between a codon, a sequence of three nucleotides on the mRNA, and a complementary nucleotide triplet on the tRNA, called an anticodon. This anticodon also specifies the particular amino acid that the tRNA carries.
How does negative feedback control hormone levels? **EXTRA POINTS**
Answer:
Hormone production and release are primarily controlled by negative feedback. In negative feedback systems, a stimulus elicits the release of a substance; once the substance reaches a certain level, it sends a signal that stops further release of the substance. In this way, the concentration of hormones in blood is maintained within a narrow range.
BREAK A LEG!
What happens when a phase in the cell cycle does something incorrectly / doesn't do its required tasks, what happens to the cells that are impacted by those errors and what effect does it have on other cells in the cell cycle?
When a phase in the cell cycle does something incorrectly, mutation occur which leads to cell death or cancer.
What happens when a phase in the cell cycle does something incorrectly?When a phase in the cell cycle does something incorrectly, then they cannot move to opposite poles in the later phases of mitosis, which result the cell with extra chromosomes and a daughter cell with missing chromosomes. These mutations can lead cell death, disease or cancer.
So we can conclude that When a phase in the cell cycle does something incorrectly, mutation occur which leads to cell death or cancer.
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