explain the absorption of mineral by root hair cell if all mithochondria remove from the cell .​

Answers

Answer 1

Answer:

The root hair cells have carrier proteins in their cell membranes. These pick up the mineral ions and move them across the membrane into the cell against the concentration gradient . Because active transport moves ions against the concentration gradient into the root hair cells, energy is needed.Plants absorb water from the soil by osmosis. They absorb mineral ions by active transport, against the concentration gradient. Root hair cells are adapted for taking up water and mineral ions by having a large surface area to increase the rate of absorption.


Related Questions

The solutions in a u shaped tube are sapersted by a permeable membrane. The membrane is preamble only to water. Side a contains the lower concentration of sugar. What is side b

Answers

Answer:

https://youtu.be/GxztO8MM9F4

Explanation:

24. The product that honey bees produce and use it to seal cracks and repair their hives is :
A. Honey
B. Wax
C. Propolis
D. Royal jelly

Answers

24. The product that honey bees produce and use it to seal cracks and repair their hives is :

C. Propolis

Explanation :

Bees use propolis to seal cracks and repair their hives.

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Propolis. I’m so smart that I copied the answer above me!

This is the question I need help with.

Answers

Answer:

b is most likely to be the answer

Explanation:

In a large population of sea stars, half of the individuals possess the red allele and half possess the purple allele. A change in the genome has been introduced, and many of those with purple allele are dying. Therefore, the red allele has become more frequent over time.

Which of the following requirements for the Hardy-Weinberg equilibrium is not being met?

Answers

Answer:

A

Explanation:

All mating must be totally random

Hardy-Weinberg equilibrium is a mathematical model that describes the genetic equilibrium of a population in terms of allele frequencies. It states that allele frequencies in a population remain constant over time in the absence of any evolutionary forces.

What are the requirements of the law ?

In order for this balance to be maintained, five basic requirements must be met: large population size, random mating, no mutations, no migration, and no natural selection. In this case, the starfish population does not satisfy the fifth requirement for no natural selection.

Natural selection occurs as individuals with the purple allele die off, resulting in the red allele becoming more common over time. This type of directional selection causes allele frequencies to deviate from Hardy-Weinberg equilibrium.

Therefore, no natural selection requirement is met in this starfish population. This causes allele frequencies to change over time, leading to a deviation from Hardy-Weinberg equilibrium.

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2. Green plants produce ............. during photosynthesis. Answer​

Answers

i dunno i think its carbon dioxide or oxygen

Plants create sugar and oxygen during photosynthesis. The cells of a plant use carbon dioxide and the sun to create these things.

People do not cut down trees for fuel these days. True or False​

Answers

Answer:

False I think sorry if it is wrong

Pretty sure that the answer is false

What is the main disadvantage of a flat map?
A Flat maps can't be made large enough that land masses appear the correct size.
B Flat maps distort the shapes and distances of the land masses.
C Flat maps are not easily carried from one location to the other.
D Flat maps are too small to accurately show details of the land masses.

Answers

Answer:

B

Explanation:

Help answer this question:

Explain the rules for which donors can donate to other blood types and Rh factors​

Answers

Answer:

AB+ blood types can donate only to AB+.

B+ blood types can donate to B+ and AB+.

A+ blood types can donate to A+ and AB+.

O+ blood types can donate to A+, B+, AB+, and O+.

AB- can donate to AB- and AB+.

B- can donate to B-, B+, AB-, and AB+.

A- can donate to A-, A+, AB-, and AB+.

O- can donate to all blood types.

The right answer is the thing the other person said

Nature constantly adjusts the atmospheric carbon level. An increase in the level causes the atmosphere to hold more heat, which causes more water to evaporate from the oceans, which causes increased rain. Rain washes some carbon from the air into the oceans, where it eventually becomes part of the seabed. A decrease in atmospheric carbon causes the atmosphere to hold less heat, which causes decreased evaporation from the oceans, which causes less rain, and thus less carbon is washed into the oceans. Yet some environmentalists worry that burning fossil fuels may raise atmospheric carbon to a dangerous level. It is true that a sustained increase would threaten human life. But the environmentalists should relax—nature will continually adjust the carbon level.

Which one of the following, if true, would most weaken the argument in the passage?

(A) Plant life cannot survive without atmospheric carbon.
(B) It is not clear that breathing excess carbon in the atmosphere will have a negative effect on human life.
(C) Carbon is part of the chemical "blanket" that keeps the Earth warm enough to sustain human life.
(D) Breathing by animals releases almost 30 times as much carbon as does the burning of fossil fuels.
(E) The natural adjustment process, which occurs over millions of years, allows wide fluctuations in the carbon level in the short term.

Answers

Answer: E) The natural adjustment process, which occurs over millions of years, allows wide fluctuations in the carbon level in the short term.

Explanation:

If the natural adjustment process takes millions of years then it nature will not be able to adjust the levels of carbon in the atmosphere fast enough. This means that in the short term, carbon levels will fluctuate widely if more fossil fuels are burnt.

It is therefore necessary that humans reduce how much fossil fuels that burn to ensure that in the short term, situations on earth are manageable while the adjustment process goes on for millions of years.

Scientists use the scientific method in order to: (select all that apply) answer questions. provide an objective, standardized approach to experimentation. generate evidence to support their arguments. minimize prejudice or bias in the experimenter.

Answers

Answer:

The scientific method attempts to minimize the influence of bias or prejudice in the experimenter. ... It provides an objective, standardized approach to conducting ... By using a standardized approach in their investigations, scientists can feel ... Or they can ignore data that does not support the hypothesis.

Explanation:

how do you describe the shape of each sample of matter? do the ice cubes have a definite shape? how about the water? how about the vapor?

Answers

Answer:

Both no

Explanation:

be because it is liquid, they don't have fix shape

In an experiment, two populations of one species of fruit flies were raised for several generations on different nutrients (starch and maltose). Then the members of the two populations were reintroduced and the mating frequencies of flies from the two different populations were recorded. Fruit flies fed on starch were more likely to mate with other starch fruit flies. The same was the case for maltose fruit flies. When they did mate, their offspring were infertile. The fruit flies are physically indistinguishable and genetically similar.

Match the characteristic with the correct species concept definition.

Group of answer choices

hybrids are fertile

[ Choose ] biological ecological morphological phylogenetic

physiologically similar

[ Choose ] biological ecological morphological phylogenetic

genetically similar

[ Choose ] biological ecological morphological phylogenetic

feed on starch or maltose

[ Choose ] biological ecological morphological phylogenetic

Answers

Answer:

Hybrids are fertile --- biological concept.

Physiologically similar ---- morphological concept

Genetically similar ---- phylogenetic concept

Feed on starch or maltose ---- ecological concept.

Explanation:

Hybrids are fertile is a biological characteristics of an organism, physiologically similar is a morphological characteristic of a specie, genetically similar is a phylogenetic characteristic of a specie and feed on starch or maltose is a ecological characteristic of an organism. The ability of two individuals to successfully produce fertile offspring is biological species concept whether individuals look similar is a morphological species concept closely related individuals are evolutionarily or phylogenetic species concept.

Someone help please?

Pre-eclampsia is caused by?

Answers

Answer:

Pre-eclampsia is thought to be caused by the placenta not developing properly due to a problem with the blood vessels supplying it.

Explanation:

I believe this is correct, if not let me know and I will fix it. I'm sorry in advance if it is incorrect.

Explanation:

1. high blood pressure.

2. Swelling of Hands And Feet

3. Protein in urine

Which statement is most likely to represent the way the society in the picture
values the natural environment?
A. Gardens in the backyard connect people to the environment.
B. The environment is a place to get away for the weekend.
C. Working with the environment provides food to put on the table.
D. The environment is a dangerous and hostile place.

Answers

Answer:

this would be C because wind turbines work as a way of making energy by using wind giving us electricity to cook an make our food

The statement that is most likely to represent the way society is portrayed in the picture is that working with the environment provides food to put on the table, which is in Option C, as the energy generated from the turbines can be used in cooking.

What is nature and human relationship?

Human beings and the natural environment are deeply interconnected and interdependent, as ecosystems provide people with essential resources such as clean air, fresh water, and food, and they support our physical, emotional, and spiritual well-being, etc , so to promote a healthy and sustainable relationship between human beings and the natural environment, it is essential to recognize the interconnectedness of all living things and the importance of protecting and preserving the natural world.

Hence, the statement that is most likely to represent the way society is portrayed in the picture is that working with the environment provides food to put on the table, which is in Option C.

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______ refers to possessing different alleles for a trait.

Answers

Answer:

heterogeneous - possessing different alleles for a trait. homologous - possessing identical alleles for a trait.

the answer should be heterozygous since Herero-means different; zygous means having genetic material. A heterozygous individual caries two different alleles

importance of measurements in point

Answers

Answer:

distance time accuracy

It is important for selling buying and exchanging of goods.It helps to find out accurate or exact value of unknown physical quantities. It helps to get reliable information about the different quantities. It is needed for preparing food.It is needed for global understanding of the quality of a substance.

How would life be different if Earth did not rotate?

Answers

The slower rotation would result in greater differences between daytime and nighttime temperatures. The Earth uninhabitable, but a day that lasts as long as a week would create extremely hot days and cold nights. Hope this helped!

What is a dominant allele?
A. In a heterozygous individual, the allele that determines the phenotype
B. An allele that will only have an affect on phenotype in a haploid organism; otherwise its presence will be masked
C. An allele that is very prevalent in a population
D. An allele that totally beats up on a recessive allele
E. An allele that has no noticeable affect on an organism's phenotype

Answers

Answer:

A. In a heterozygous individual, the allele that determines the phenotype

Explanation:

The dominant allele completely hides the expression of the recessive allele. This occurs in cases of Autosomal dominant inheritance. Even when both dominant and recessive alleles are present in the genotype, this is the heterozygous state, only the dominant trait will be expressed. Only one dominant allele is enough to express the dominant phenotype.

A population of tree frogs lives in an area that has many types of plants and trees. The skin of most of the frogs is gray, which blends in better with the bark of trees than with the leaves of plants. Some of the frogs have skin that is greener in color, which blends in better with grasses and leaves. Snakes and birds are predators of the frog. Humans have come to the area and are beginning to cut down the trees. Describe the probability of survival for the three frogs of each genetic variation of skin colour if most of the trees are cut down. Use evidence in the paragraph to support your answer.

Answers

Answer:

with the normal natural predators their chances of survival are high but when humans step in entire forests can be wiped out which will endanger every species of frog

If most trees are cut down, grey individuals will not survive because they will be more exposed to predation. Green frogs will show a greater survival rate. Directional selection is favoring the green phenotype and its genotype.

What is directional selection?

Directional selection is one of the different types of natural selection.

It increases the proportion of individuals with an extreme phenotypic trait.

It causes a decrease in the number of individuals expressing intermediate phenotype, and the other extreme phenotype.

This selection presents more frequently in those cases in which interactions between living organisms and the environment modify in the same direction.

In the exposed example, there is a natural environmental pressure: predation.  Frogs need to camouflage to avoid being seen by birds and snakes.

Most frogs are grey. They camouflage with the bark of treesSome other frogs are green. They camouflage with the grass and leaves.

The curve in a graph frequency vs phenotype shows a higher frequency of gray individuals.

When humans cut down the trees, they are applying another pressure to the population.

Since humans remove trees, grey frogs remain without a substrate in which to camouflage. They are now exposed to predation.

Birds and snakes can detect the gray frogs better and prey on them.

The grey phenotype and its genotype are affecting the animals' fitness. Grey frogs do not get to survive. So natural selection does not favor it.  

Natural selection tends to benefit the green phenotype, which is now the one that increases the frogs' fitness. Green animals are not seen by predators, so they get to survive.  

The curve in a graph frequency vs phenotype now shows a higher frequency of green individuals and a sharp decrease of grey frogs.

If more trees are cut down, grey individuals will not survive. However, green frogs will show a greater survival rate.

Directional selection is favoring the green phenotype and its genotype.

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What happens to interspecific and
intraspecific competition as habitats
decline?
A. competition increases
B. it depends on the habitat
C. competition remains the same

Answers

Answer is A because the habitat’s resources are depleting

Members of the same species compete with one another within their own species, hence option A is correct.

What is the interspecific and intraspecific competition?

It demonstrates the adaptability of the species. Members of various species compete with one another across interspecific boundaries. It might result in the extinction of one species or the specialization of both.

In a population, individuals develop, procreate, and pass away. The needs of individuals within a population for survival, growth, and reproduction are quite similar. The result is frequently intraspecific competition.

The fitness of both populations is impacted by competition. The investment of resources (energy, time, and matter) in competition or avoidance of it diminishes the availability of these resources and has a negative impact on the population's ability to reproduce.

Therefore, option A is correct.

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Racoons will almost eat anything. They are most accurately called...
1. carnivores
2. omnivores
3. herbivores
4. producers​

Answers

The anwser is 2. Omnivores

HELP ASAP PLEASE!
Which practice would most likely deplete a nonrenewable natural
resource? *

1)harvesting trees on a tree farm

2)burning coal to generate electricity in a power plant

3)restricting water usage during a period of water shortage

4)building a dam and a power plant to use water to generate electricity

Answers

Answer:

A practice would most likely deplete a nonrenewable natural  resource is burning coal to generate electricity in a power plant.

The answer is 2: Burning coal to generate electricity in a power plant.

what energy can be generated out from the volcano?​

Answers

Answer:

geothermal energy

Explanation:

volcanic geothermal energy, the heat comes from "supercritical water." The researchers explained that energy from so-called supercritical water is much higher than conventional geothermal steam. When molten rock and water meet, the extreme heat and pressure bring water to a "supercritical" state, where it is neither liquid nor gas.


What describes a country with less industry and whose citizens have low average incomes.

Answers

third world countries

Explanation:

are the results of countries with low exports and high imports

Third world countries work, but developing countries works as well depending on what answer you need.

Developing works because the low income and socio-economic status comes from them not being stable overall a weak infrastructure unlike second and first world countries, it’ll be a while before they catch up.

Which shows the levels of organizational hierarchy listed from least complex to most complex?
O population, community, ecosystem
O ecosystem, population, community
O community, population, ecosystem
O community, ecosystem, population

Answers

Answer:

I think the answer to this question is O population, community, ecosystem.

Population, community, and ecosystem show the levels of organizational hierarchy from least complex to most complex. Therefore, the correct statement is option A.

What is the community consisting of?

A community is made up of all the populations of different species that live in the same area and interact with one another. A population is a group of people from the same species who live there.

A biological system remembers every one of the living organic entities for a local area, as well as the actual climate in which they live and connect. In this order, the population is the most un-complex level, as it alludes to a gathering of people of similar species.

Community is more complicated because it involves interactions between multiple species populations. Because it encompasses all living and nonliving components of an area as well as their interactions, the ecosystem level is the most complex.

Therefore, population, community, and ecosystem show the levels of organizational hierarchy from least complex to most complex.

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Which of the following situations would most likely lead to a stable population size?

Answers

Answer:A

Explanation:

The answer should be between A or C but I would choose A

The diagram shows a cross that is similar to one of Mendel’s pea plant crosses.





What is the dominant phenotype of the offspring in the cross shown?


A.Ff
B.FF
C.blue
d.white

Answers

Answer:

C. blue  

Explanation:

In genetics, homo-zygous individuals are those individuals that have the same allele form (i.e., the same allele) for a given gene/locus, whereas heterozygous individuals have different alleles for that gene/locus. Complete dominance is a form of dominance that occurs when the allele that is dominant for a given gene/locus completely masks the effects of the recessive allele in a heterozygous individual. In this case, individuals that are heterozygous (genotype Ff) exhibit a dominant flower-blue phenotype because the dominant 'F' allele completely masks the effect of the recessive 'f'  allele; therefore producing a phenotypic ratio of 3:1 in the offspring of a mating between two heterozygous individuals for this single trait.

When doing medical research with human subjects, which four limitations are unavoidable?

Answers

It's often impossible to repeat trials on the same subjects. 2-Subjects may report an inaccurate medical history. 3-It can be difficult to control all possible variables. 4-It's impossible to come up with testable scientific questions for human subjects.

Answer:

It’s often impossible to repeat trials on the same subjects.

Subjects may report an inaccurate medical history.

It can be difficult to control all possible variables.

There are ethical or privacy concerns to consider.

Ribosomes are the site where
are produced.
Amino acids are coded for by triplet bases in RNA called

Answers

Answer:

Ribosomes are where PROTEINS are produced.

Amino acids are coded for by triplet bases in RNA called A CODON.

PROTIENS are produced in ribosomes
RNA called CODON

If something is 12 grams and has a volume of 1.6 cubic centimeters, how many grams per cubic centimeter.

Answers

Answer: 7.5  grams per cubic centimeter.

Explanation:

We area given that , Mass of something is 12 grams

Volume of that thing is 1.6 cubic centimeters

To find gram per cubic centimeters, we will divide Mass by Volume ( which computes Density)

Number of gram per cubic centimeters = [tex]\dfrac{12}{1.6}[/tex]

Number of gram per cubic centimeters = 7.5

Therefore, 7.5  grams per cubic centimeter. (density of the thing)

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