How do these equations explain why the total amount of O2 and CO2 remains the same?

Answers

Answer 1

Answer:

This constancy of the chemicals involved denotes that no particular reaction is taking place on the cells involved. For instance, during photosynthesis it would require CO2, H2O and photons to initiate the process. Thank you for your question. Please don't hesitate to ask in Brainly your queries.


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A biologist examines a series of cells and counts 160 cells in interphase, 20 cells in prophase, 6 cells in prometaphase, 2 cells in metaphase, 7 cells in anaphase, and 5 cells in telophase. The complete cell cycle requires 24 hours. Match the average duration to the appropriate cell cycle stage in these cells. M phase prophase metaphase telophase 4.8 hours 14.4 minutes 2.4 hours 36 minutes

Answers

Answer:

M phase: 4.8 hr

Prophase: 2.4 hr

Prometaphase: 0.72 hr

Metaphase: 0.24 hr

Anaphase: 0.84 hr

Telophase: 0.6 hr

Explanation:

Mitosis, also known as M phase, is the process of nuclear division after interphase, which is followed by cytoplasmic division via cytokinesis. Mitosis can be subdivided into the following phases: Prophase,  Prometaphase, Metaphase, Anaphase, and Telophase. In this case, 160 cells are in interphase (for a total of 200 cells), thereby 40 cells are in mitosis >> 200 - 160 = 40 cells. Since the complete cell cycle requires 24 hours, it is possible to calculate the average duration of each phase:

M phase: 40/200 = 0.2 x 24 hr = 4.8 hr

Prophase: 20/200 = 0.1 x 24 hr = 2.4 hr

Prometaphase: 6/200 = 0.030 x 24 hr = 0.72 hr

Metaphase: 2/200 = 0.01 x 24 hr = 0.24 hr

Anaphase: 7/200 = 0.035 x 24 hr = 0.84 hr

Telophase: 5/200 = 0.025 x 24 hr = 0.6 hr

Tesla Il Dut your total time may nit exceed
Question 2
3
Potential Energy (J)Kinetic Energy (J)Velocity (m/s)
100
0
0
80
20
4.5
60
40
6.3
40
60
7.7
20
80
8.9
0
100
10
The relationship between Potential Energy and Kinetic Energy can be described as which of the following?
Answer
linear
5
B
inverse
С
parabolic
D
rational

Answers

Answer:

dcgfbhnjbhvgcfxfcgvm

Explanation:

Describe the immediate effect of the neurotoxin on the number of action potentials in a postsynaptic neuron. Predict whether the maximum membrane potential of the postsynaptic neuron will increase, decrease, or stay the same.

Answers

Answer:

Inhibit control over ions.

Explanation:

The immediate effect of the neurotoxin on the postsynaptic neuron is to inhibit control over ion concentrations across the cell membrane. The neurotoxin blocks nervous transmission at synapses which prevents the vesicles containing the neurotransmitter from fusing with the presynaptic membrane so the information does not transfer from one neuron to another and as a result the body is present at constant relaxation mode. The membrane potential of postsynaptic neuron will decrease due to neurotoxin.

which of these events is a likely result of chemical water pollution?
A. Sediment particles floating in water clog the gills of fish.
B. Fish die from lack of oxygen due to an algal bloom.
C. Rainbow trout disappear from a stream because of high water temperatures.
D. Algae are killed by solvents that have run off into a pond.

Answers

I would say the answer is a

Fish die from lack of oxygen due to an algal bloom is a likely result of chemical water pollution. Therefore, option (B) is correct.

What is chemical water pollution?

Chemical water pollution refers to the presence of harmful chemicals or substances in water bodies such as lakes, rivers, and oceans. These chemicals may come from various sources, including industrial processes, agriculture, and human activities. Common types of chemical pollutants in water include heavy metals, pesticides, oil spills, and toxic waste.

Chemical water pollution can have harmful effects on the environment and human health, including reduced water quality, contamination of aquatic life, and the spread of waterborne diseases. Preventative measures, such as proper waste disposal and treatment, are necessary to minimize chemical water pollution and protect water resources.

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A study is being done to test the effects of temperature on the number of microbial colonies. Four different incubators are set up, each at a different temperature with one culture plate in each. Each plate has the same nutrient content, pH, and are inoculated with microorganism samples from the same source. At the end of the experiment, the number of colonies on each plate is counted. What is the independent variable

Answers

Answer:

The correct answer is - the different temperatures of incubators.

Explanation:

An independent variable is a variable in a study or research which is manipulated or changed to check or find the effect on the dependent variable. The independent variable is the only factor that changes in research while other factors remain constant that can affect the result in the study.

In this case or study, there is the only factor that is manipulated is the temperature of incubators is manipulated to see the effect of temperature on the number of microbial colonies. Thus, the different temperatures of incubators is the independent variable here.

14. a science student claims that a substitution mutation is less likely to affect gene function than an insertion or deletion mutation. use logical reasoning and evaluate this claim.

Answers

DNA functions in codons which are pairs of three amino acids. In substitution since one is taken out and replaced, only the codon that that acid would have been in is affected. With insertion or deletion every codon on is shifted due to the presence of a new amino acid

Because insertions and deletions produce a frame-shift that modifies the interpretation of following codons, they are frequently more detrimental than substitutions that modify only one amino acid.

What is a mutation?

A alteration in the DNA sequence of an organism is referred to as a mutation. Errors in the replication of DNA during the process of cell division, exposure to mutagens, or viral infections are all potential causes of mutations.

Base substitutions, deletions, and insertions are the three different kinds of DNA mutations that can occur.

Because an insertion or deletion results in a frame-shift that changes the reading of subsequent codons and, as a result, alters the entire amino acid sequence that follows the mutation, insertions and deletions are typically more harmful than substitutions, in which only one amino acid is changed. This is because frame-shifts change the reading of subsequent codons.

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What is the main function of Krebs cycle?

Answers

Answer:

the main function of Krebs cycle is that it plays a big role in the process of energy production and biosynthesis.

Goats can either be polled or horned. The pulled, or no horn, trait (P) is dominant to the horned (p) trait. Another trait in goats are wattles, which are hair covered structures on their necks. Even though most goats do not have wattles, having wattles (W) is dominant to not having wattles (w). A breeder crosses a polled, wattled male goat with a polled, wattled female goat. Some of the offspring have horns and no wattles. Perform a cross of the parental genotypes to find the phenotypic ratios of the offspring.

Answers

Answer:

Pulled and wattled = 9/16

Pulled and no wattle = 3/16

horned and wattled = 3/16

horned and no wattle = 1/16

Explanation:

Pulled = P, Horned = p

Wattled = W, no wattle = w

Polled, wattle goats = P_W_

Since they produced offspring with horns and no wattles (ppww), it means both parents have the recessive allele for each trait. Hence, they are both heterozygotes with PpWw as genotypes.

       PpWw    x    PpWw

Genotypes ratio of the offspring:

P_W_ - 9/16

P_ww - 3/16

ppW_ - 3/16

ppww - 1/16

Phenotype ratio of the offspring:

Pulled and wattled = 9/16

Pulled and no wattle = 3/16

horned and wattled = 3/16

horned and no wattle = 1/16

(See the attached image for the Punnet's square)

Some alleles of a gene are dominant to others masking the effect this other alleles.

The polled, or no horn, trait (P) is dominant to the horned (p) trait.

Having wattles (W) is dominant to not having wattles (w).

A breeder crosses a polled, wattled male goat with a polled, wattled female goat.

The phenotypic and genotypic ratios would be

Polled and wattled = P_W_      =  9/16Polled with no wattle = P_ww =  3/16horned and wattled = ppW_     =  3/16horned with no wattle = pwpw =  1/16

Parent genotype --- polled, wattled male and female goat -- P_W_

As the cross produced offspring with horns and no wattles (ppww), it shows both parents have the recessive allele for each trait.

Hence, they are both heterozygotes with PpWw for the traits.

Parent genotypes:  PpWw             x      PpWw

                             PW Pw pW pw         PW Pw pW pw

                PW         Pw          pW         pw

    PW    PPWW    PPWw     PpWW   PpWw

    Pw     PPWw    PPww      PpWw   Ppww

    pW    PpWW    PpWw      ppWW  ppWw

    pw   PpWw       Ppww     ppWw  ppww  

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To help meet the world's demand for food, which biotechnological
process is most likely to be used by agricultural industries?
O use of transgenic crops
O crop diversification
O spraying of organic herbicide
crop rotation

Answers

Answer:

use of transgenic crops

Explanation:

Since transgenic crops are genetically modified, the pros are that: there is more crop yield, increased nutrients, etc.

The use of transgenic crops is most likely to be used by agricultural industries. Hence, option  A is correct.

What are transgenic crops?

Crops that have undergone genetic engineering techniques to alter their DNA are referred to as genetically modified crops. Plant genomes can be modified physically or by transferring sequences contained in T-DNA binary vectors using Agrobacterium.

The goal of introducing a gene combination into a plant is to increase its productivity and usefulness. This technique offers benefits like extended shelf life, increased yield, improved quality, pest resistance, heat, cold, and drought tolerance, as well as resistance to a range of biotic and abiotic challenges.

The use of transgenic crops is most likely to be used by agricultural industries. Hence, option  A is correct.

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What are the four levels of organization in living things? a. cell, multicellular, organ, organ system b. single cell, multicellular, tissue, organ c. larger size, longer life, specialized cells, organs d. cell, tissue, organ, organ system

Answers

D I’m pretty sure sorry if wrong

In which layer of the cutaneous membranes are nerve ending located?
A. Fascia.
B. Subcutaneous.
C. Dermis.
D. Epidermis

Answers

Answer:

the answer is the dermis

Explanation:

The cutaneous membranes are nerve ending located in the Dermis hope this helps and i'm sorry if it's wrong.

Using the Gizmo, determine how coal and petroleum (oil) are formed. Describe the steps required to form each fuel from atmospheric CO2.

Answers

Answer and Explanation:

Petroleum and coal are fossil fuels.  The degradation of the earliest plants forms them. These dead plants started to pile up and form peat. Then the pressure and heat from various geological procedures convert peat into coal. Coal is a combustible rock which contains 50% carbon. Anthracite, Lignite and bituminous are the types of coal, and the formation of coal depends upon the quantity of hydrogen, oxygen and carbon. Petroleum exists naturally in liquid form and formed by decomposed organic matter. Fossil fuels can be refined into usable substances. Gasoline, tar, lubricants and many other products are obtained from petroleum. There are two steps, which required to form fuel from atmospheric carbon dioxide. In first step carbon dioxide is converted into carbon monoxide. In the second step, carbon monoxide combines with hydrogen to form hydrocarbon fuels. The formation of fuel is a natural process when animals respire carbon dioxide release in the atmosphere.

The following diagram represents the reaction of methane with oxygen gas to form carbon dioxide and water.

The chemical reaction shown above takes place in a closed system. What is true about the system while the reaction occurs?

Answers

Answer:

It stays the same

Explanation:

If you count each in both pictures, none are added nor removed.

Answer:

stays the same

Explanation:

If right I’ll mark brainliest

Answers

Answer:

Its blocked for me cause im on a school website can you right it out plz

Explanation:

 

In science, theories____?

Answers

Answer:

have limited explanatory power

I. Tick he correct answer.

1. Linen is obtained from.

a. Jute plant b. cotton plant c. flax plant d. hemp plant​

Answers

Answer:

c. Flax plant is the answer

Which natural forces can create sediments
A Wind and ice
B Moving air,moving water,and moving ice
C Water and ice
D sunlight

Answers

Answer:

C - Water and ice

Hope it help❤️

the correct answer is B- Moving air, moving water, and moving ice. the forces have to be moving in order to weather an object down.

what is a hypothesis

Answers

Answer:

a suggested sollution or a guess to an information given to you

How do molecules within organisms become rearranged and used as energy sources?

Answers

Answer:

in a chemical reaction, no atom is destroyed nor created

Which organelle/part of the cell would say this if it could speak? Sometimes I feel bloated with all the water I store.
1)nucleus
2)cell membrane
3)mitochondria
4)cytoplasm
5)vacuole

Answers

Vacuole. Vacuole is the cell’s storage area.

in what ways can overpopulation be beneficial to differential reproductive success?

Answers

Answer:

Differential reproduction is called the one that occurs as a result of the differences between the individuals that make up a society or sample, where it is those with comparative advantages who manage to reproduce, while those who do not have said advantages tend to die out. It is, in short, a practical application of Charles Darwin's theory of natural selection.

Thus, if there is an overpopulation of a certain species, a series of effects will occur (such as the scarcity of resources, the lack of living space, etc.) that will tend to gradually decrease the population to return to an ideal number of individuals. In this aspect, differential reproduction will be applied, being able to reproduce those that have comparative advantages over the rest, which will inevitably become extinct.

PLEASE ANSWER ASAP FOR BRAINLEST!!!!!!!!!!!!!!!!!!!!
Answer the HOT Question:
What do you think would happen to the skin if the dermis layer and the epidermis layer of the skin become separated?
To earn full credit
Restate the question
Define the epidermis
Define the dermis
Predict what you think will happen if they become separated*

What do you think would happen to the skin if the dermis layer and the epidermis layer of the skin become separated?

Answers

Answer

Explanation:

if the epidermis and the dermis say become separated you think will happen to your skin?

epidermis the surface AKA your skin.

dermis layer of tissues under your epidermis.

when the epidermis and the dermis are split and have a blister will come up in your skin.

composition of water yam​

Answers

2 hydrogens and 1 oxygen

Which of the following is TRUE about alleles? Which of the following is TRUE about alleles? The phenotype of the individual will always indicate with certainty the alleles of the individual. An individual will only carry one version of an allele. Alleles come in two forms, the good form and the bad form. Individuals carry both forms of each allele. An allele is a variant form of a gene.

Answers

Answer:

An allele is a variant form of a gene.

The phenotype of the individual will always indicate with certainty the alleles of the individual

Explanation:

An allele is the alternate form of a gene example is allele A, allele a

While writing the genotype of an individual the allele is always seen, it usually written in pairs example is AA , Aa, aa, SS

The phenotype of an individual will reveal the allele such person have example is an individual with the sickle cell having allele s through the appearance of such individual one could know if such person posses the allele.

Which statement summarizes the relationship between DNA, proteins, and amino acids?
A. The DNA molecule is a protein formed by amino acids that are linked together by peptide bonds.
B. The type of protein that composes DNA codes for the twenty different amino acids.
C. The sequence of amino acids in DNA determines the type of protein formed during protein synthesis.
D. The sequence of nucleotides in DNA codes for specific amino acids which bond to form proteins.

Answers

Answer:b

Explanation:

The statement (B) is correct. The type of protein that composes DNA codes for the twenty different amino acids.

What are proteins?

Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues.

Moreover, proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs.

Therefore, a molecule made up of amino acids. Proteins are needed for the body to function properly. They are the basis of body structures, such as skin and hair, and of other substances such as enzymes, cytokines, and antibodies.

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which is biotic
wind
iron gate
sunlight
leaf​

Answers

Answer:

leaf

Explanation:

leaves come from trees, which are living things

Answer:

D. Leaf

Explanation:

The bullfrog and the Northern cricket frog both reside in eastern pine forests and use many of the
same limited resources. The relationship between these two amphibians is a form of -
O A predation
O B. competition
o c. parasitism
D.
gommensalism

Answers

I think the answer is B, competition :))

In the 1980s, Stephen Jay Gould identified two types of extinctions that each had different evolutionary consequences. What are these extinctions called?

Answers

Answer:

Mass extinctions and background extinctions

Explanation:

which of th following processes releases carbon dioxide as waste

Answers

Answer:

Cellular respiration

Explanation:

Cellular respiration releases carbon dioxide and water as waste products.

Which is a difference between active and passive transport?
A. Eukaryotes are capable of active transport, while prokaryotes are capable of passive transport.
B. Cells only carry out active transport when they need to move, while passive transport occurs constantly.

C. Active transport requires ATP, while passive transport does not.
D. Cells with mitochondria carry out active transport, while cells without mitochondria carry out passive transport.

Answers

if i am not mistaken , the answer is C .

Active transport really needs ATP to work , while passive transport doesn’t need ATP .

The difference between active and passive transports is that active transport requires ATP while passive transport does not. the correct option would be C.

Active transports are the movement of materials in and out of the cell that requires the expedition of energy. The energy is usually in the form of Adenosine Triphosphate (ATP).

Active transport is unlike passive transport because the latter requires no energy. In other words, passive transports are spontaneous.

Active transport usually involves the movement of materials against their concentration gradients while passive transport is the complete opposite.

Examples of active transport include the sodium-potassium pump, movement of amino acids in the intestinal tracts of man, etc while examples of passive transport include simple diffusion of oxygen to the alveolar walls in the lung.

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