Red cabbage can turn purplish-blue when cut because its natural pigments, anthocyanins, react to changes in pH. When mixed with something basic, it turns blue to yellow; with acid, it becomes red or pink.
When red cabbage is cut with a knife, the color change to purplish-blue can sometimes be observed due to the exposure of its pigments to changes in pH level. Red cabbage contains natural pigments called anthocyanins, which change color in accordance with the pH of their environment. When in a neutral solution, the anthocyanin pigment is purple or violet.
If the red cabbage indicator is mixed with a slightly basic substance, it changes from purple to blue. When mixed with a strongly basic substance, it will turn yellow. If mixed with an acid, the red cabbage water will change to red or pink. This is why when red cabbage indicator paper is used, it can provide insight into the pH of substances it comes into contact with, turning different colors depending on their acidity or basicity.
Why are there no more than four or five links in a food chain?
Answer:
It is rare to find food chains that have more than four or five links
Explanation:
significant energy is lost between each successive trophic level.
because the loss of energy limits length of food chain are only four links in the food chain
Hope this helps you.
How is the definition of "lipid" different from the types of definitions used for other biomolecules, such as amino acids, nucleic acids, and proteins?
Lipids are defined by their solubility properties rather than specific functional groups, encompassing a range of nonpolar hydrophobic molecules, unlike proteins and nucleic acids, which have more specific structural criteria.
Explanation:The definition of "lipid" differs from other biomolecules like amino acids, nucleic acids, and proteins because lipids are defined not by the presence of specific functional groups but by their physical property of solubility. A lipid is a broad category, which includes a diverse range of hydrophobic or nonpolar molecules that are more soluble in nonpolar solvents like ether or chloroform than in water. This encompasses various molecules such as triglycerides, phospholipids, and steroids. The criterion for a molecule to be classified as a lipid is based on its solubility characteristics rather than a specific structural formula. For example, triglycerides are formed by a glycerol molecule bonded to three fatty acid molecules and are the main component of body fat in humans and other animals.
Proteins, on the other hand, are defined by the presence of one or more long chains of amino acids. Amino acids and nucleic acids have well-defined structures involving specific atoms in certain arrangements, making the classification of these molecules less ambiguous compared to lipids. Lipids play various roles such as energy storage, structural components of cell membranes, and as signaling molecules.
Why is it important to know what checmicals are producded in the body as decomposition proceeds?
why are there seasons
A. earth revolves around the sun
B. earth rotates on its axis
C. earths axis titled
D.the moon revolves around earth
The stations are due to the inclination of the axis of rotation of the Earth with respect to the plane of its orbit with respect to the sun, which means that some regions receive different amounts of sunlight depending on the time of year.
The Earth rotates around its axis, this rotating movement is called rotation.
The Earth also revolves around the sun, this movement is called revolution.
The answer is: A. The earth revolves around the sun, B. The earth revolves around its axis.
Answer:
Earth's axis is tilted.
Explanation: I'm confident in my answer
People build a dam to create a reservoir that supplies water a nearby city needs. Describe two ways that water moves through Earth’s atmosphere in the water cycle
Methylphenidate is prescribed for a 6-year-old boy with the diagnosis of attention deficit–hyperactivity disorder (adhd). the nurse teaches the father about safe medication administration and concludes that the instructions have been understood when the father says that he should administer it at which time?
Nitrogen-fixing bacteria are important because...
A. They turn nitrogen from the air into nitrogen compounds in the soil.
B. They are essential for plants being able to carry out photosynthesis.
C. They break up dead animals in the soil.
D. They release nitrogen from the soil into the atmosphere.
Which agent of metamorphism can cause the overall composition of rock to change?
heat energy
pressure
hydrothermal solutions
the answer is a
hope it helps
This type of graph represents _______ collected from the ________ of bird number
The medulla oblongata, the pons and the midbrain make up the brainstem.
a. True
b. False
What types of activities are going on in a cell during interphase?
In which process does the cell use a vesicle to move molecules out of the cell?
Answer: Endocytosis
Explanation: Because it said so
Before cell reproduction or mitosis can proceed, what is the correct sequence of steps that must first occur?
a.chromosome replication, chromosome checking and repair, growth
b.growth of cytoplasm, duplication of cellular organelles, chromosome replication
c.replication of chromosomes, growth, duplication of cellular contents and organelles
d.growth, duplication of cell organelles, chromosome replication, repair of chromosomal errors
D.growth, duplication of cell organelles, chromosome replication, repair of chromosomal errors
Answer:
________________________________________________________________________________-
Explanation:
______
The animal phylum most like the protists that gave rise to the animal kingdom is _____. see concept 33.1 (page 688) view available hint(s) hint 1. consider which of these exhibits the least complexity and is the "basal group" of the animal kingdom. the animal phylum most like the protists that gave rise to the animal kingdom is _____. see concept 33.1 (page 688) ctenophora porifera cnidaria lycophyta echinodermata
Open reduction for a fracture uses __________ to align the ends of the bone.
Answer:
Surgery
Explanation:
In treatment of fractured bones through open fracture methodology, the care provider or the surgeon creates an opening to expose the bone and hence carry out its treatment. Open fractures involve surgery and hence they are not treated in emergency ward like other fractures instead they are treated in an operating room through an incision. In open fractures the bone pierces the skin and hence its realignment require treatment through operation only
Open reduction for a fracture requires surgical intervention to align the bone ends, in contrast to closed reduction which uses manual manipulation without surgery. It is necessary for more complex fractures, leading to the formation of a callus which facilitates the healing and remodeling of the bone.
Explanation:Open reduction for a fracture uses surgical intervention to align the ends of the bone. Unlike closed reduction, which relies on manual manipulation of the bone without surgery, open reduction involves making an incision to directly access the broken bone and properly align it. This surgical procedure is particularly necessary for complicated fractures, such as those that are severely misaligned or where bone fragments need to be repositioned internally.
Common types of fractures include transverse, oblique, spiral, comminuted, and greenstick among others. After a bone is set, either through open reduction or closed, a healing process begins leading to the formation of a callus that knits the bone ends together. The body's natural bone cells, osteoclasts and osteoblasts, work to resorb dead bone and create new bone tissue within the callus until the healing is complete and the bone remodeled.
In which stage of growth do plants rest or grow very little?
the ocean and the atmosphere serve as long term stroage areas for carbon and other nutreints.What are these strorage areas called..?
A) Reservoirs
B)Fossil Fuels
C)Biostorages
D)Compounds
The fourth reaction involving Gly-4 ( aldolase) is an especially important reaction in glycolysis. Why is this?
In ocean waves, water particles move ________ and energy moves ________. A) vertically; in circles B) in circles; horizontally C) horizontally; vertically D) horizontally; horizontally
in circles; horizontally
In ocean waves the water particles move in circles but the wave energy moves horizontally. This is the reason why a piece of wood floating in the oceans bobs up and down.
A harmful mutation can be caused by factors in the environment. True or False?
Final answer:
Environmental factors known as mutagens, which include radiation and chemicals, can indeed cause harmful mutations. These mutations can lead to diseases like cancer if the DNA damage they cause is not repaired.
Explanation:
True, a harmful mutation can indeed be caused by factors in the environment. These environmental factors are known as mutagens, which include various types of radiation (like X-rays, ultraviolet light, and nuclear radiation), chemicals (such as those inhaled by smoking), and infectious agents. While it's important to recognize that not all mutations arise from environmental exposure—some are spontaneous, occurring without external influence—mutagens can increase the mutation rate by damaging the DNA. If this damage is not properly repaired, it can lead to mutations that may be harmful, such as those that contribute to the development of cancer.
There are robust DNA repair mechanisms in place to correct such damage, but these are not always successful, leading to a mutation. An example of a harmful mutation is one that leads to the development of cancer, whereas a beneficial mutation might provide resistance to a particular disease. Notably, while induced mutations are often thought of in the context of negative outcomes like cancer, mutations in general, whether induced or spontaneous, are a fundamental part of the evolutionary process.
Although the domain archaea contains many acidophilic organisms, there are still many others within the domain that grow well in environments with a neutral ph. although the domain archaea contains many acidophilic organisms, there are still many others within the domain that grow well in environments with a neutral ph.
a. True
b. False
Which effect is most likely caused by nondisjunction during meiosis?
A. an extra chromosome
B. an increase in nuclei
C. increased survival benefits from traits
D. only two types of nitrogenous bases
What is it called when you carefully look at an object or a process?
This is an observable trait of an organism that can mask the recessive trait.
Answer:
It is an Dominant Trait.
I hope this helps you very much!
Explanation:
Describe the structure of the neuron and explain how its structure relates to the detection, generation, transmission and integration of signal information
A clean environment is critical to human health around the world. Which statement best summarizes the air pollution situation in Mexico City?
A) All cars in Mexico run on ethanol, not gasoline.
B) Mexico City has some of the cleanest air in the world.
C) Students are learning about the negative effects of air pollution.
D) Only government officials can own cars.,
Answer:
C
Explanation:
Students are learning about the negative effects of air pollution.
which of the following poses the greatest threat to fish populations in the galapagos islands?
2. Comparative biochemistry is the study of similarities and differences in _______ among organisms.
A. development
B. homologous structures
C. DNA sequences
D. vestigial structures
My guess is DNA sequences,
The organism shown is frequently used in genetic engineering because
The nurse assures a breast-feeding mother that one way she will know that her infant is getting an adequate supply of breast milk is if the infant gains weight. what behavior does the infant exhibit if an adequate amount of milk is being ingested