Leaves change color due to changes in the pigments that are present in the leaf. The most common pigments in leaves are chlorophyll, carotenoids, and anthocyanins.
Chlorophyll is the pigment primarily responsible for the green color of leaves and is present in all leaves. The level of chlorophyll in a leaf decreases as the days get shorter and temperatures cool in the fall, revealing other pigments. Carotenoids are pigments that give leaves their yellow and orange colors. These pigments are always present in leaves, but become more visible as the chlorophyll breaks down in the fall. Anthocyanins are pigments that give leaves their red, purple and blue colors. These pigments are produced by the plant in response to certain environmental stressors such as drought, high sunlight, and low temperatures. Additionally to these pigments, other factors such as nutrient availability and water stress can also affect the color of leaves.
Learn more about leaf here:
https://brainly.com/question/24234175
#SPJ4
Which of the following statements characterized meiosis 1?
The statements that characterize meiosis I are:
B) The chromosome number remains the same from n to n.
C) Homologous chromosomes line up at the cell equator.
E) The chromosome number is reduced from 2n to n.
F) Each chromosome consists of two sister chromatids.
H) Crossing over can occur during synapsis.
What is the meiosis stage about?Meiosis I is the first of two cell division events that occur during meiosis, a type of cell division that produces gametes (sex cells). Meiosis I is characterized by several key events, such as:
Homologous chromosomes line up at the cell equator: During meiosis I, homologous chromosomes (pairs of chromosomes that are similar in shape and size and carry genes for the same traits) line up and pair with one another at the cell equator. This process, called synapsis, allows for the exchange of genetic material between the chromosomes through a process called crossing over.
Learn more about meiosis from
https://brainly.com/question/8253366
#SPJ1
See full question below
Which of the following statements characterize meiosis I? Select all that apply.
Multiple select question.
A)Four nuclei start to form around the chromosomes.
B)The chromosome number remains the same from n to n.
C)Homologous chromosomes line up at the cell equator.
D)Sister chromatids are pulled apart at the centromeres.
E)The chromosome number is reduced from 2n to n.
F)Each chromosome consists of two sister chromatids.
G)Sister chromatids line up at the cell equator.
H)Crossing over can occur during synapsis.
10. If a woman with Type A blood has a child with a man with Type B blood and their first child has
Type O blood, give the genotype of the woman and the man and do the cross. (Alleles are 14,1",
and i)
Answer:
Genotype of woman - AO
Genotype of man - BO
Explanation:
O is recessive so if A or B is present, it will mask the O and the blood type will be either A or B
What elements of human nature are explained by the world on the turtle's back?
The elements of human nature that are explained by the world on the turtle's back are good vs evil and right vs wrong.
A creation story from the Iroquois people is known as The World on a Turtle's Back. The biblical view of creation is connected to this worldview. Both depict a woman who wants to eat the forbidden fruit. As soon as they consume this evil fruit, both good and bad are born.
Good vs evil, justice versus wrong, and good versus bad were the natural elements that were discussed. This is demonstrated by the conflict between the opposing pairs and how they counterbalance one another.
You can also learn about Turtle's Back from the following question:
https://brainly.com/question/28222829
#SPJ4
What is an irony definition?
Definition of irony as a narrative character is a scenario in which there is a contradiction between expectations and reality.
A scenario in which there is a contradiction between expectation and realities is what literary irony is defined as. For instance, the contradiction between what something seems to signify and what it actually means. Tragic and comic events are both connected to irony.
The word "irony," which first appeared in the English language in the sixteenth century, is derived from the Latin word "ironia" and the French word "ironie." All of these expressions have their roots in Eiron, a stereotypical figure from ancient Greece. An Eiron figure defeats his adversary by exaggerating his weaknesses, partaking in a form of irony by expressing less than what he really means.
You can also learn about irony from the following question:
https://brainly.com/question/1695719
#SPJ4
heyy! i’ll give brainliest help asap pls
Answer:
I think the best answer is Marble
hope this helps
have a good day :)
Explanation:
importance of vegetables in diet
Vegetables have plenty necissary vitamins and nutrients that you need to have in order to live.
Using water potential explain why the onions gained mass when soaked in diluted solutions of sodium chloride
Answer:
the cells of onions are maintained in isotonic condition when they are soaked in hypertonic solutions like dil. sodium chloride water will be moved into cells to maintain water potential. this is the reason onions gain mass
If someone engages in a short, intense burst of activity lasting less than 30 seconds, which energy system will contribute the most to ATP production
The phosphagen energy system will contribute the most to ATP production during a short, intense burst of activity lasting less than 30 seconds. This energy system utilizes ATP and phosphocreatine to provide energy for activities that require an immediate burst of energy.
The phosphagen energy system is a vital component of energy production during short, intense bursts of activity lasting less than 30 seconds. This energy system is responsible for providing energy for activities that require an immediate burst of energy. The main source of energy used in this system is the ATP and phosphocreatine stored in the muscle cells.
When the body is put under an intense physical demand, the phosphagen energy system is activated. This system works quickly and efficiently to produce ATP, the energy currency of the body. ATP is produced through a process called phosphorylation, where a phosphate molecule is added to ADP. The body uses ATP for a variety of biochemical processes, including muscle contraction.
The phosphagen energy system is the most efficient at providing energy for short-term, intense physical activity. It is able to quickly and efficiently produce enough ATP to meet the body’s energy demands. The phosphagen system is also able to replenish ATP stores in the muscle cells more quickly than other energy systems. This makes it ideal for activities such as sprinting and weightlifting, which require an immediate burst of energy.
Learn more about ATP at :https://brainly.com/question/9425355
#SPJ4
What are the 5 theories of evolution?
Evolution as such, common descent, gradualism, species diversification, and natural selection are the five hypotheses that Darwin united.
A theory is a rationale for how a natural phenomenon functions that has undergone extensive testing through research and experiments intended to establish the validity of the explanation. In this context, evolution might be considered both reality and a theory. The fact that creatures have altered or evolved over the course of Earth's history is undeniable. Additionally, scientists have looked into the mechanisms that could account for the main patterns of change in biology. Since it provides a comprehensive account of events that have taken place in the natural world, evolution is referred to as a theory.
Learn more about Evolution here:
https://brainly.com/question/6111443
#SPJ4
Why did Mendel carry out an experiment to study inheritance of two traits in garden pea?
Mendel carried out experiments to study the inheritance of two traits in garden pea as garden pea are bise-xual, self-pollinating, have a short life span and also have visible phenotypic characters.
Mendel conducted plant-breeding experiments using garden pea. He studied the inheritance of two traits to understand if the inheritance of a particular trait affects the inheritance of another trait.
He chose garden pea for his experiment as they are bise-xual in nature, that is the flowers have both male as well as female reproductive parts and therefore are able to self-pollinate. They also have easily observable physical characters and a short life span which makes them easier to maintain as they grow quickly.
To know more about inheritance here
https://brainly.com/question/14930526
#SPJ4
Protons and neutrons each have a mass of (blank) amu
(Middle school science)
The nucleus accounts for almost the entire mass of the atom of any element, which means that a single proton or neutron has an approximate mass of 1 AMU.
What is AMU?
An atomic mass unit is defined as accurately 1/12 the mass of carbon-12 atom. carbon-12 atom has six neutrons and six protons in its nucleus. It is represented as a.m.u or u (unified). It is unit of mass used to express atomic masses. 1 a.m.u is average of the proton rest mass and neutron rest mass.
Protons and neutrons both weigh about one atomic mass unit (amu). Isotopes of same element will have the same atomic number but different mass numbers.
Protons carry single positive charge that have mass of one approximately one atomic mass unit. The atomic number is equal to number of protons found in an atom.
learn more about amu at
https://brainly.com/question/24186882
#SPJ1
I already did the rest, I just need an explanation on Phillip being the father or not.
6. What is the name of the mutation in which a base is added to the
genetic sequence?
shift
Answer: frameshift mutation
Explanation: A frameshift mutation is a particular type of mutation that involves either insertion or deletion of extra bases of DNA. Now, what's important here is the number three. The number of bases that are either added or subtracted can't be divisible by three.
What are the similarities and differences between genetic engineering and selective breeding?
Through genetic engineering, genes from one species can be introduced into another that is unrelated. The individuals involved in selective breeding must be of the same species.
In GMO, researchers combine new gene combinations. Genes come together on their own during selective breeding. By utilizing pollen from one strain to fertilize another strain and therefore "cross" the gene pools, for instance, selective breeding can change a species' genetic makeup naturally.
The chromosomes are altered intentionally through genetic engineering—a technique that is against nature. For instance, a crop may contain a gene from a cold-water fish to prevent freezing during the winter. This wouldn't happen in the wild.
Learn more about breeding Visit: brainly.com/question/13614055
#SPJ4
How energy flows into and out of the ecosystems
Answer:
energy is flowing out of the ecosystem as you move up trophic levels
Cells that line the intestines move nutrients from the intestines through the cell and then to the blood stream. These cells have many folds along their plasma membrane called microvilli. What is the function of these folds
The microvilli found on the cells lining the intestines are small projections that are covered with a plasma membrane. These folds increase the surface area of the cell, allowing more nutrients to be absorbed from the food that is passing through the intestines.
The microvilli act like tiny fingers, grasping and then releasing molecules of nutrients, such as carbohydrates, proteins, vitamins, and minerals, so they can be absorbed into the cell. The nutrients are then transported through the cell and into the bloodstream, where they are used by the body.
Microvilli also secrete digestive enzymes, such as lactase, lipase, and amylase, which further break down the food particles so they can be absorbed more easily. Additionally, microvilli act as filters to help block the entry of potentially harmful bacteria and toxins into the body.
To learn more about microvilli visit:
https://brainly.com/question/12993303
#SPJ4
What process is the source of the CO2 that root hairs release into the soil?
O respiration and photolysis,
O photolysis,
O respiration,
O photosynthesis, or
O photosynthesis and respiration
The process by which the root hairs release CO2 into the soil is respiration. The correct option is Option C.
There are air pockets present between the soil particles where the oxygen required by the root of the plant is trapped. Root hair exchanges gasses to and from tiny air pockets present in between the soil particles.
The large surface area provided by root hairs facilitates this exchange of gasses along with the absorption of water.
Hence, root hair carries out the exchange of oxygen and carbon dioxide to and from tiny air pockets present in between soil particles.
The CO2 released from the root hair into the soil particles is the byproduct of respiration.
For further learning about respiration, follow the link:
https://brainly.com/question/9477286
#SPJ4
what happens to the amino acid sequence that becomes the KIT Receptor Protein
I need to know this quickly. The assignment locks at midnight. Please help and I will give you more points.
Answer:
Translation occurs in a structure called the ribosome, which is a factory for the synthesis of proteins. ... During the elongation stage, the ribosome continues to translate each codon in turn. Each corresponding amino acid is added to the growing chain and linked via a bond called a peptide bond.
Explanation:
In this exercise, we have to use genetic knowledge to explain the relationship between the amino acid and the protein receptor, as:
The amino acid process takes place when the ribosome is factored into protein synthesis, in such a way that it will be possible to translate its code.
How do amino acids combine to form proteins?The union established between two adjacent amino acids in a molecule is called a peptide bond. This type of bond always occurs through the reaction between the amine group of one amino acid and the carboxyl group of the other.
What is the genetic code?The genetic code can be defined as the relationship between the triplets (codons) found in mRNA and the amino acids found in a protein. Codons are triplets formed by the nitrogenous bases (A, U, C and G).
See more about genetic at brainly.com/question/12985618
Help!!!!! 85POINTS！！！ will mark BRAINLIST!!!
which of the following describes species diversity of a community?
the number of different species present in the community
the measure of species richness and relative abundance of different species
the measure of species richness and relative abundance of different specie
the number of mutualistic interaction in a community
Answer:
A
Explanation:
It does not matter what species are on the area. the more variety there is, the more diverse.
Species diversity of a community can be defined as the measure of species richness and relative abundance of different species.
A community is a group of organisms from different species that live in the same ecosystem and interact with one another.Species diversity in the community can be defined as the combination of species richness and species (relative) abundance.Species richness indicates the number of species in the community.Species abundance refers to the number of individuals of each species present in the community.In conclusion, the species diversity of a community is denoted by both the species richness and relative abundance of different species present in the community.
Learn more in:
https://brainly.com/question/1446827?referrer=searchResults
Is medical a fixed or variable expense?
Medical is a variable expense.
Medical expenses include all costs required for the diagnosis, mitigation, or treatment of disease or injury. Medical expenses include things like health and dental insurance premiums, doctor and hospital visits, co-pays, prescription and over-the-counter medications, glasses and contacts, crutches, and wheelchairs, to name a few.
Medication and supplies are examples of variable costs because they vary according to the quantity and severity of patients treated. The majority of hospitals have a limited amount of operational flexibility, unlike regular businesses that can shift operations to reduce fixed costs.
Learn more about medications from:
https://brainly.com/question/11098559
#SPJ4
If you know the answer to this question please help!!
Answer:
2nd option
Explanation:
CO2 is product of respiration
C6H12O6. +. O2. =. CO2. +. H2O
What are the 5 causes of natural selection?
Natural selection is a simple mechanism that causes populations of living things to change over time. It causes are variation, Inheritance, Selection, Time and Adaptation.
Natural selection results in the transmission of advantageous genetic variants through reproduction. As a result, a new generation of organisms emerges that has a higher chance of surviving and reproducing.
Variation. Organisms (within populations) exhibit individual variation in appearance and behavior. Inheritance. Some traits are consistently passed on from parent to offspring. High rate of population growth.Differential survival and reproductionTo learn more about reproduction please visit here:
https://brainly.com/question/7464705
#SPJ4
What are the main features of bacteria?
Some of the main features of bacteria are that they unicellular, prokaryotic, they lack membrane bound organelles, are microscopic in size and lack a nucleus.
Bacteria are single-celled or unicellular organisms which have the ability to thrive in a wide range of conditions and are found almost everywhere in the environment. These organisms are microscopic and hence they cannot be seen with bare eyes without a microscopic.
They have a cell wall which is protective in function but do not contain a nucleus and also lack membrane bound cell organelles and hence are prokaryotic organisms. Their mode of nutrition can be either heterotrophic or autotrophic. They are found in different shapes like spherical, rod-shaped etc.
To know more about bacteria here
https://brainly.com/question/27574047
#SPJ4
Analyze how wind erosion and other factors affect dune development
Answer:
idek
Explanation:
ong
Help this is due in 30 minutes. Could a Type B child with a Type A mother have a Type A father? Explain.
no
cuz both are type A so the child has to be a type A
Answer:
It depends
Explanation:
It honestly depends on if the A-type allele is dominant over the B allele if not yes it's possible if the father or mother was Heterozygous with a B allele
A normal or narrow QRS complex indicates that the impulse was not formed in the ventricles and is termed:
A normal or narrow QRS complex indicates that the impulse was not formed in the ventricles and is termed supraventricular tachycardia.
Narrow (normal) QRS complexes indicate that the ventricles are depolarized normally; this can only be the case if the impulse (which depolarizes the ventricles) passes through the bundle of His, and hence it originates in the atria. In other words, tachycardias with narrow QRS complexes originate in the atria.
A narrow QRS complex (<120 ms) reflects rapid activation of the ventricles via the normal bundle of His-Purkinje system, which in turn suggests that the arrhythmia originates above or within the His bundle so supraventricular tachycardia occurs. Although such type of tachycardia often occurs in patients with a normal heart and rarely represents life threatening conditions.
For further learning about QRS complex, follow the link :
https://brainly.com/question/30020727
#SPJ4
What is the purpose of the world on the turtle's back?
The purpose of the world on the turtle's back is because they think that there must be both good and evil in order to keep the world in a state of equilibrium.
According to tradition, the creator goddess severed the cosmic turtle's legs and used them to raise the sky after another god had harmed them. Even if it doesn't exactly put a terrapin at the center of the cosmos, it nonetheless places one there to keep the sky from collapsing.
The nice and the evil are not always what they seem to be, and vice versa, since there is always something within each and every person that can pull them in any direction. as shown in "A World on a Turtle's Back," a short fiction.
You can also learn about Turtle's Back from the following question:
https://brainly.com/question/28222829
#SPJ4
Select the choice that best completes the following sentence: _______ reproduction requires one parent, while _______ reproduction requires two parents.
A. sexual , asexual
B. asexual , sexual
C. single , double
D. animal, bacterial
Asexual reproduction requires one parent, while sexual reproduction requires two
What is reproduction?The biological process by which new individual organisms - "offspring" - are formed from their "parent" or parents is known as reproduction. Each individual organism exists as a result of reproduction, which is a fundamental aspect of all known life. Asexual and sexual reproduction are the two types of reproduction.
Asexual reproduction is a type of reproduction in which a single parent produces a new progeny. The newly generated individuals are genetically and physically identical to one another, i.e., they are clones of their parents.
On the other hand, sexual reproduction is the process of creating new organisms by combining the genetic information of two individuals of different sexes. The genetic information in most animals is carried on chromosomes in the nucleus of reproductive cells called gametes, which unite to form a diploid zygote.
Learn more about reproduction here:
https://brainly.com/question/815744
#SPJ1
Describe the relationship between the concentration of in the blood and the
concentration of lactic acid in the blood during the first 5 weeks of treatment with the vitamin.
Based on Figure 2, calculate the average rate of change in blood concentrations from
week 5 to week 17.
The concentration of NAD+ is increases whereas the concentration of lactic acid in the blood decreases.
Relationship between NAD+ and lactic acidThe relationship between the concentration of NAD+ in the blood and the concentration of lactic acid in the blood during the first 5 weeks of treatment with the vitamin is different or opposite from one another because the graph shows that during the first 5 weeks the concentration of NAD+ is increases
While on the other hand, the concentration of lactic acid in the blood decreases so we can conclude that the concentration of NAD+ is increases whereas the concentration of lactic acid in the blood decreases.
Learn more about lactic acid here: https://brainly.com/question/490148
Function of root hair cells
1. Absorption of mineral ions
2.Transport of oxygen
3.Movement of mucus
4.Protection against pathogens
5.Structural support
Answer:
1. Absorption of mineral ions
hope it is helpful to you
Answer:
Hello There!!
Explanation:
The answer is=>1. Absorption of mineral ions.
hope this helps,have a great day!!
~Pinky~