*Why did botanist expect the wild relative of maize to look similar to modern maize?

Answers

Answer 1

The botanist expect the wild relative of maize to look similar to modern maize because both modern variety and wild variety belongs to same species.

What is maize and how the wild variety and modern variety belongs to same species?Maize is the most demanding and ever growing plants which is also a staple diet of more than 68 percent of the population.Now there are difference and similarities between modern variety and wild variety of maize .The wild variety of maize and the modern variety of maize do not look similar , just because they were belonging to same species .Scientists thought they belong to same genera also , along with this there is difference in the size of both.Wild variety of maize is not naturally wild , but in coarse of evolution have hybridized and became other variety.

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Related Questions

which characteristic makes fungi similar to plants

Answers

Like plant cells, fungal cells have a thick cell wall. The rigid layers of fungal cell walls contain complex polysaccharides called chitin and glucans. Chitin, also found in the exoskeleton of insects, gives structural strength to the cell walls of fungi.

What is the role of a species can assume in ecosystem this ecncompasses all the way in which species interacts with the ecosystem, such as what it eats

Answers

The role a species can assume in ecosystem that encompasses all the way in which species interacts with the ecosystem, such as what it eats is called niche.

What is a niche?

Niche is a function within an ecological system to which an organism is especially suited.

The niche of an organism describes the role the organism plays in a community or ecosystem.

A species' niche encompasses both the physical and environmental conditions it requires like temperature and the interactions it has with other species (like predation or competition).

Niche is specific to a particular species, which may overlap with a similar niche but must have distinct differences.

Therefore, it can be said that a niche is the role of a species in an ecosystem.

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may you define erosion deposition and weathering

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Erosion is the washing away of the of the top layer of sand or rocks due to wind and water. Deposition is the settling down of the sand, soil or other granules carried away to a place due to wind and water. Weathering is the breakdown of rocks due to several reasons.

Erosion is the phenomenon of soil particles from one place to another. It is the major cause for the unrooting of trees and their falling off. It affects the ability of the soil to hold water and nutrients.

Weathering is the dissolution of the large solid rocks into small particles like soil or sand. Depending upon the agent causing weathering, it can be of three types: physical, chemical and biological.

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How is voice timbre inherited?​

Answers

Explanation:

How is voice timbre inherited

Is Your Vocal Ability And Range Influenced By Genetics? - Yona Marie Your vocal talent abilities may and may not be affected by genetics. On the one hand, your vocal tone, also known as timbre, can also be traced back to how your vocal cords and larynx muscles are shaped, with each person having a unique voice box that could be influenced by genetics.

What would be the impact of a genetic mutation that resulted in the production of only fetal hemoglobin and no adult hemoglobin?.

Answers

The impact of genetic mutation that resulted in the production of only fetal hemoglobin and no adult hemoglobin will be that there will be no production of β-subunits.

Genetic mutation is the change in the sequence of the genes that change the effect of the proteins. The mutation can be caused due to deletions, addition, inversion, or duplication. There are also some mutations that do not cause any visible change and they are termed as silent mutations.

Fetal hemoglobin is a dominant form of hemoglobin present in the fetal stage as well as during the birth of the fully grown child. It is also 4 subunit structure like the adult hemoglobin. But unlike the adult hemoglobin, it has 2 α and 2 γ subunits, in place of β subunits.

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which colloid is expensive but rapidly expands plasma volume?

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The colloid which is expensive but rapidly expands plasma volume is albumin.

Albumin is a kind of protein that is manufactured inside the human layer.

It is a protective protein that controls the leakage of fluids into blood vessels. This protein also circulates vitamins, hormones, and enzymes throughout the body.

In general, albumin is a colloidal protein and its primary donors are humans. Therefore, its supply is restricted as extracting it from the human body is quite costly and time-consuming.

It is available in injection form and is used for bleeding from burns, injury, or surgery by expanding the blood plasma volume.

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acacia plants often have ants of the genus pseudomymex associated with them. removal of ant colonies from individuals of the bullhorn acacia species results in which change in the acacias?

Answers

Acacia plants often have ants of the genus pseudomymex associated with them. Removal of ant colonies from individuals of the bullhorn acacia species results in change in acacia is their growth is considerably stunted.

What is mutualism?

A type of contact known as mutualism occurs when neither the host nor the symbiont experience any negative consequences. This collaboration may last for a longer or a shorter period of time. The term "mutualist" refers to the other members of the mutualism, which include the host and the little partner.

For instance, honey from acacia trees is used by ants to stay alive. Ants are the mutualists in this situation, and acacia plants are the hosts.

Acacia plants often have ants of the genus pseudomymex associated with them. Removal of ant colonies from individuals of the bullhorn acacia species results in change in acacia is their growth is considerably stunted. The acacia trees produce specialized structure to shelter and feed the colony and the ants in turn defend the trees against the herbivores. The relation between acacia plants and ants that live on them are mutualistic.

Hence the correct answer is their growth is considerably stunted.

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What groups has a series of similar segments that mak up most if its body?

Answers

Millipedes groups has a series of similar segments that mak up most if its body.

The split of some animal and plant body plans into a number of recurring segments is known as segmentation in biology. The segmentation of animal body plans is the main topic of this article, which uses the taxa Arthropoda, Chordata, and Annelida as examples. The segments created by these three groups are directed and defined by a "growth zone." All three of them use a development zone and have a broadly segmented body plan, although their methods for producing this patterning vary. Various creatures have different methods for body segmentation even within these groupings. To allow for free movement and the development of specific body components, the body plan must be segmented. Additionally, it enables certain people to regenerate.

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which term describes a band of fibers that hold structures together abnormally? a. contracture b. spasm c. adhesion d. singultus

Answers

Correct answer is option c. adhension

What is adhension?

Cohesion describes how similar or identical particles or surfaces prefer to stick together, whereas adhesion describes how different particles or surfaces tend to stick together.

There are various subtypes of forces that lead to adhesion and cohesion. Chemical adhesion, dispersive adhesion, and diffusive adhesion are the three intermolecular forces that determine how different kinds of stickers and sticky tape work. These intermolecular forces have cumulative magnitudes, but there are also some emergent mechanical effects.

Water Molecule Adhesion

Water frequently displays the adhesion property. This is due to the fact that water's stickiness enables it to "stick" to several surfaces and things. The easiest way to describe water's capacity to adhere to other surfaces is that it can do so by forging tenuous surface bonds. Numerous actions and reactions of water in both the lab and in nature can be attributed to its adhesion property.

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Standard NCES.7.L.2.3- Jared has a genetic disorder. Which is the most likely reason Jared has the disorder?
Group of answer choices

Jared was exposed to chemical pollutants.

Jared has a poor diet and does not exercise.

Jared’s mother or father also has the disorder.

Jared attends school with another child who also has the disorder.

Answers

Answer: Jared’s mother or father also has the disorder.

Explanation: Genetic means coming from your ancestors DNA, so the most logical answer is Jared’s mother or father also has the disorder.

C: Jared's mother or father also has the disorder.

The round pea seed allele (R) is dominant, while the wrinkled pea seed allele (r) is
Recessive. A heterozygous, round-seed pea plant is crossed with a wrinkle-seeded pea
Plant. Use a punnett square to solve the following:
A) Determine the predicted genotype ratio of the offspring.
B) determine the predicted phenotype ratio of the offspring.
C) if this cross produced 50 plants, how many plants would you predict
would be wrinkle-seeded pea plants?

Answers

According to the cross between heterozygous, round-seed pea plant and a wrinkle-seeded pea plant:

A) the predicted genotype ratio of the offspring will be 1:1.

B)  the predicted phenotype ratio of the offspring will be 1:1.

C) the number of plants that will be wrinkle-seeded will be 25.

Heterozygous refers to the condition where an individual possesses contrasting alleles for a gene. For example in the heterozygous, round-seed pea plant the genotype will be Rr.

Genotype refers to the complete genetic makeup of an individual. Each organism consists of various genes that may have same or contrasting pair of alleles. These alleles play important part in defining the genotype of a person.

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an order is subdivided into several

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An Order can be further divided into family .

In general class is divided into order , order to family and family to groups. Family occupies lower place in the taxonomic categories .example include Grasses belong to the order Poales and it belongs to one of its families, which is called Poaceae.

Taxonomy is the study of animal ,plant ,microorganism and human which help to classify them into further categories and study them with details .Other important example include human and whale they are two different identity but they are grouped under mammals and are taxonomically related . Taxonomy is based on Characterisation, Identification, Nomenclature, Classification.

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Using the graph(s) in model 1 , determine the approximate average height of males and of females

Answers

Solving the sum of values in the data set number of items in the data set yields the mean of a set of values, often known as the average.

What is meant by Average?Taking the mean of the data yields the average of a set of data. Leveling the numbers until they are all the same yields the mean.Multiply the midpoint of each group by the total number of subjects in each group. The items from Step 2 are totaled. Subtract the total number of subjects from the total number of subjects. This is an approximate average.In layman's terms, an average is a single number chosen to represent a set of numbers, usually the sum of the numbers divided by the number of numbers in the set.

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The centrally located area between the lungs contains?

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The space in the middle, between the lungs and outside of it, is called the mediastinum.

The space in the middle between the lungs and outside of it is called the mediastinum. The heart, aorta, trachea, esophagus, thymus gland, bronchial tubes, and a large number of lymph nodes are all found within.)

The thoracic cavity's central compartment is called the mediastinum. It is an undelineated region that contains a group of thorax structures, including the heart and its vessels, the esophagus, the trachea, the phrenic and cardiac nerves, the thoracic duct, the thymus, and the central chest lymph nodes. It is surrounded by loose connective tissue.

Pleurae surround the mediastinum on the right and left, enclosing it within the thorax. It is surrounded by the lungs to the sides, the spine to the back, and the chest wall to the front. It connects the vertebral column behind the sternum in front. Except for the lungs, it contains all of the thoracic organs. It continues with the neck's loose connective tissue.

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During sexual reproduction two sex cells fuse to make a fertilized cell with one set of chromosomes what must be true about the number of chromosomes in sex cell?

Answers

Answer:both genders have the same amount of chromosomes

Explanation:Sexual reproduction is the process in which male and female gametes fuse to form a zygote. The zygote consists of a complete set of chromosomes, which 23 pairs or 46 chromosomes.

Sexual reproduction is the process in which two sex cells fuse to form the fertilized cell, usually known as zygote. The sex cells are egg or ova and sperms for females and males, respectively.

The number of chromosomes in each sex cell and fertilised cell will be:

The sex cells are formed by the meiotic division, such that each ova and sperm will consist of 23 chromosomes.

These haploid cells fuse to form a diploid zygote, which will have the same number of chromosomes as parent cell. The umber of chromosomes in the fertilised egg will be 46.

Therefore, the number of chromosome in each sex cell is 23, which fuses to form a diploid fertilised cell having 46 chromosomes.

If the rate of CO2 is the same as the rate of O2, is photosynthesis and cellular respiration at equilibrium?

Answers

If the rate of [tex]CO_{2}[/tex] is the same as the rate of [tex]O_{2}[/tex], the photosynthesis and cellular respiration are said to be at equilibrium where they achieve the compensation point.

The point on the light curve when photosynthesis and respiration occur at the exact same rate is known as the (light) compensation point. The early mornings and late evenings are when this point is achieved. While photosynthesis is mostly dependent on the amount of sunlight, respiration is rather constant.

The point on the light curve when photosynthesis and respiration occur at the exact same rate is known as the compensation point. At this moment, the intake of [tex]CO_{2}[/tex] by photosynthesis routes and the respiratory release of [tex]CO_{2}[/tex] are perfectly matched, just as the uptake of [tex]O_{2}[/tex] by respiration and the photosynthetic release of [tex]O_{2}[/tex] are perfectly matched.

At this compensation point, the plant neither produces nor consumes biomass, and thus they are said to be at equilibrium.

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what is a consumer
need help asap​

Answers

Answer:

Referring to real life scenarios, A consumer is one who is shopping or retailing looking for something they need, whether it be online, in store, or else where . "consuming" What the buisness offers.

Explanation:

Trust

12. What determines a protein's structure and function?

Answers

Each protein's 3D shape and function depend on its amino acid sequence. Nucleotides in gene sequences code amino acids.

What is protein?

Large biomolecules and macromolecules known as proteins are made up of one or more long chains of amino acid residues.

Proteins are the fundamental elements necessary for life. Protein can be found in each and every cell in the human body. A chain of amino acids constitutes the fundamental structure of proteins. In order for your body to be able to repair damaged cells and create new ones, you need to get enough protein in your diet.

They serve as the fundamental component of a variety of bodily structures and substances, including hair and skin, as well as enzymes, cytokines, and antibodies.

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if one were to attempt gene therapy, would a recombinant form of the insulin gene be needed?

Answers

If one were to attempt gene therapy, a recombinant form of insulin gene will not be needed.

In the field of science, gene therapy can be described as replacing a faulty gene with a new gene.

A recombinant form of insulin will not be needed for gene therapy because the insulin gene regulatory region will allow the expression of the insulin gene in the pancreas. If insulin were to be produced by any other cells of the body, then the insulin gene regulatory region for that cell of the body will be required.

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Why do muscles need both an origin and an insertion point to properly function?

Answers

The origin and insertion points of skeletal muscles allow force to be exerted that allows movement of the skeleton. Skeletal movement is a form of lever mechanics with the position of origin and insertion of the muscle allowing for differences in force, velocity, and directionality

During what phase of the development of a neural network are thousands of examples presented to the neural network to create an refine the internal hidden layers?.

Answers

The reflection phase of the development of a neural network is where thousands of examples are presented to the neural network to create an refine the internal hidden layers.

What is Setback?

These are the events which delays the progress of something and in some cases, it reverses some strides or progress done by the individual. This can be encountered as a result of various types of factors and other parameters.

Reflection phase is where an individual thinks deeply about certain events and thousands of examples presented to the neural network to create an refine the internal hidden layers.

This phase helps in deciphering the next line of action which is beneficial for the individual and is therefore the reason why it was chosen as the correct choice.

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Select the plant cell's important sources of chemical energy transfer:

a. ATP
b. NADPH

Answers

In addition to ATP synthesis in the mitochondria, plants can also produce ATP in their chloroplasts during the light reactions of photosynthesis.

The two principal organelles in plant leaves that produce ATP are chloroplasts and mitochondria. Two different types of energy-carrier molecules, ATP and NADPH, store the solar energy in the light-dependent reactions. These molecules' stored energy is contained in the bond that binds one atom to the molecule. It is a phosphate atom for ATP and a hydrogen atom for NADPH. The light response of photosynthesis results in the production of ATP and NADPH. The biosynthetic pathway employs these. Additionally, they are employed in the Calvin cycle to lower carbon dioxide.

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According to the segment, what percent of the world’s freshwater supply is used for agricultural purposes?.

Answers

Over 70% of the world’s freshwater supply is used for agricultural purposes.

what enables the copied chromosomes to separate during binary fission?

Answers

In bacteria, a mechanism known as binary fission separates the replicated chromosomes to do this. Cells split into two new daughter cells by a process called binary fission.

There are exactly as many chromosomes in each daughter cell as in the parent cell. Bacteria, algae, and protozoans all use the binary fission mechanism. It stands out for having a straightforward cell division process. Binary fission is the mechanism responsible for this.

A chromosome is a lengthy DNA molecule that contains all or a portion of the genetic code for an organism. The majority of eukaryotic chromosomes contain packing proteins called histones that help chaperone proteins attach to and condense the DNA molecule in order to preserve the integrity of the chromosome.

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all the following are functions of the skeleton except . all the following are functions of the skeleton except . site of red blood cell formation production of melanin attachment for muscles storage of lipids

Answers

Answer:

Production of melanin

Explanation:

Melanin is a product of a chemical process that takes place in the skin and hair follicles so it is not produced by the skeleton.

How are you likely to feel when your parasympathetic nervous system has been activated?.

Answers

Answer: Most likely, because you'd feel in your body.

Explanation: When the parasympathetic nervous system (PSNS) is activated, it slows our heart and breathing rates, lowers blood pressure and promotes digestion. Our body enters a state of relaxation, and this relaxation breeds recovery.

What was the effect on the environment of
banning chlorofluorocarbons?

Answers

Ozone layer preservation and a large decrease in global warming were both achieved by an international ban on ozone-depleting substances. The chlorofluorocarbons (CFCs) ozone-depleting compounds were outlawed globally in 1987, preventing a disastrous increase in the amount of ultraviolet radiation (UV) reaching the Earth's surface.

What kind of environmental impact do chlorofluorocarbons have?

Chlorofluorocarbons (CFCs) are a class of artificially produced, odorless compounds. CFCs have been prohibited since 1996 due to the harm they do to the ozone layer of the earth. The biodiversity of the world itself will suffer if the ozone layer is destroyed.

If CFCs had not been prohibited, what would have happened?

CFCs are potent greenhouse gases; according to US studies, if CFC use had continued unchecked, global temperature would have increased by 2°C by the year 2070. Extreme weather, including floods, droughts, hurricanes, and heatwaves, would have been fueled by this.

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Standard NCES.7.L.1.3 - The structures in the bodies of many organisms have levels of organization that help the body to carry out life processes. Which list correctly shows how these levels are organized from the simplest to the most complex?
Group of answer choices

tissue, cell, organ, organ system

organ, cell, organ system, tissue

cell, tissue, organ, organ system

organ system, tissue, organ, cell

Answers

Answer:

Cell, tissue, organ, organ system.

Explanation:

The major levels of organization in the body, from the simplest to the most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism.

examples of anabolic reactions include the synthesis of large from amino acid building blocks, and the synthesis of new dna strands from nucleic acid building blocks.

Answers

To create complex molecules from smaller ones, anabolic pathways need an energy input.

What constituent parts go towards the production of DNA?

Adenine, Cytosine, Guanine, and Thymine. These are the four chemical components that make up the DNA molecule. They are parts of the nucleic acid that gives DNA its tongue-twisting full name, deoxyribonucleic acid. A, C, G, and T.

Other examples include the creation of big proteins from amino acid-building pieces and the creation of new DNA strands from nucleic acid-building components.

Therefore anabolic processes include creating larger molecules.

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What happens within the cytoplasm of a cell?

O maintaining of a cell's shape and structure

O communication with other cells

O replication of DNA

O majority of metabolic activity

Answers

Answer:

A. Maintaining of a cells shape and structure,I believe

Explanation:

Answer: A. maintaining of a cell's shape and structure

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According to our present theory of solar system formation, how did earth end up with enough water to make oceans?. The Chandlers are moving across the countryMr. Chandler leaves 5 hours before Mrs. Chandlerhe averages 40 mph and she averages 80 mphhow many hours will it take Mrs. Chandler to catch up to Mr. Chandler? All of the following are key price indexes except the:a. GDP deflator.b. KLB.c. CPI.d. PPI. how are organisms and the environment interrelated Lipids with shorter tails contribute to? Find the distance of the line segment formed by (-3, 4) and (-2, 3) In the case below, the original source material is given along with a sample of student work.Original Source MaterialA teacher is one who guides orleads. To guide does not necessarilymean to instruct directly. We oftenthink of teaching as directinstruction (presenting information,asking questions, giving feedback,demonstrating some procedure,evaluating student progress, and so on).But a teacher can guide withoutinstructing directly. A good example isthe Montessori system of education. In aMontessori school, most of what achild learns is through interactingwith a variety of curriculummaterials in a particular context. AMontessori teacher does much lessdirect instruction than do teachers intraditional schools.References:Frick, T. (1991). Restructuring educationthrough technology. Bloomington, IN:Phi Delta Kappa Educational Foundation.Student VersionTeachers should be guides or leaders. Inthe role of a guide, a teacher does lesspresenting of information, demonstratingand providing feedback. For example, ina Montessori school, most studentlearning occurs through interaction witha variety of class materials, rather thaninteraction with a teacher. if liz has 5 ken dolls how many barbie dolls would she have? 1. Create a box plot using this data: A large school summarizes the number ofteachers at 51 schools in the area. Here is some of the information:25 25 30 35 40 44 47 52 566064707175 82 95 1102058H 10020Explain.1104060teachers per school80 100 120Hint use a straight edge for boxWhat measure of center would you use to describe the typical value for this data?mehotween 2 do Analyze the causes of the decline of the Byzantine Empire whats the code say: 1 wan+ y()u +0 s+()p Tell which equation you would use to solve for one of the variables when solving the system by substitution. Explain your reasoning.Number 7 2x + 3y =5 4x - y =3 Number 8 2/3x + 5y = -1 x + 6y = 0Number 92x + 10y = 145x - 9y = 1 10622Im having trouble with this question..please could someone help Ben is a pool technician who is preparing a client's pool for the winter by draining the water. For each hour that he drains the pool, the volume of the water in the pool decreases by approximately how many gallons? True or False? A circle could be circumscribed about the quadrilateral below.B68"O A. True90"O B. False90112"D What is the molarity of a solution containing 17.3 g of KCl in 231 mL of KCl solution? before launching its latest line of health drinks, a beverage manufacturer provided free samples of the health drinks to a large and culturally diverse set of families. it then conducted a survey with mostly open-ended questions where the participants were asked about their first impressions about the drinks. this is an example of research. question 10 options: 1) qualitative 2) analytical 3) quantitative 4) laboratory 5) statistical What issues present the most pressing problems for the U.S.? aging population lack of natural resources lack of skilled labor increasing energy costs Share an essay on any topic of your choice. It can be one you've already written, one that responds to a different prompt, or one of your own design.400 words Simplify the following expression.-5a - 10(-a - 10) + 1 - 2a