In a respiration experiment we are measuring the rate alcoholic Fermentation in yeast by measuring the amount of CO2 produced Please assist with following questions

In A Respiration Experiment We Are Measuring The Rate Alcoholic Fermentation In Yeast By Measuring The

Answers

Answer 1

Answer and explanation:

1. sources of error- in the experiment, the amount of carbon dioxide released by east is monitored, a source of error could be the carbon dioxide present in the atmosphere which would interfere with the results.

2. baking recipes add sugars and molasses to provide carbohydrates for the yeast. this acts as a source of energy for the fermentation process.

3. the respiration of yeast could be monitored by measured the amount of sugar used or by measuring the amount of ethanol produced in the respiration process

4. high concentrations of sugar my inhibit yeast activity most likely because of the high osmotic concentration which prevents yeast from getting enough water for growth. as the osmotic concentration increases a yeast cell will reach a pont where water moves out of the cell.


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ᴡʜᴀᴛ ɪs ᴘʜᴏᴛᴏsʏɴᴛʜᴇsɪs??? [tex] \\ [/tex]

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Answer: The process by which green plants and some other organisms use sunlight to synthesize from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

elaborate the six universal facts about communication

badly need answer po​

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Answer:

The six types of communication are oral, interpersonal, nonverbal, written, visual, and listening. Oral includes any spoken speech and interpersonal involves verbal and nonverbal communication.

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Which of the following statements about the electron transport chain is true?


Group of answer choices


A) It is driven by ATP hydrolysis.


B) It includes a series of hydrolysis reactions associated with mitochondrial membranes.


C) It consists of a series of redox reactions


D) It occurs in the cytoplasm of both prokaryotic and eukaryotic cells.

Answers

Answer: I'm im 99% sure it's C "It consists of a series of redox reactions" if it's right do you mind giving a brainliest?

What does not occur as a result of loss of biodiversity? A) Increase in pest populations because of loss of predatorsB) increase in the hole in the ozoneC) impaired soil formationD) less efficient water purification

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Let's define what biodiversity is:

Biodiversity if the variety of different species within an ecosystem.

Now let's apply this information to answer our question:

We are trying to find which answer choice would not result in a loss of biodiversity, aka which of the answer choices increases the biodiversity.

0. Increase in pest populations because of loss of predators - this answer choice is ,correct,. We are ,increasing, a population in the ecosystem.

,

1. Increase in the hole in the ozone - this answer choice is ,incorrect,. An increase in the hole of the ozone is ,dangerous, - it kills off populations of species living within an ecosystem.

,

2. Impaired soil formation - this answer choice is ,incorrect,. If soil formation is incorrect, primary producers wouldn't be able to grow, affecting populations by decreasing them within an ecosystem.

,

3. Less efficient water purification - this answer choice is ,incorrect,. If there is not enough water present in an ecosystem, it will cause populations to go down, ,decreasing, the biodiversity.

Therefore, our answer choice is A.

Are there difference or similarities in the cell division between plant and animal cell?

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There are both similarities and differences in the cell division between plants and animals. The process by which an existing cell divides itself into two daughter cells is called mitosis.

Some differences include:

Plants only go through mitosis in their meristematic tissues, but all animal organs go through it, except their reproductive cells.In plants, spindles form without the assistance of centrioles, whereas in animals, centrioles are necessary for the process.In plants, cytokinesis occurs when a cell plate develops inside the parent cell and extends outward until the cell divides. In animals, the cell is split by pinching and cleaving.In plants, the cell plate that expands centrifugally from the inside out is the centre of division. Animals experience centripetal cleavage, which happens from the outside to the inside.

Eukaryotic cells, which include both animal and plant cells, share several characteristics. Common organelles including the cell membrane, cell nucleus, mitochondria, endoplasmic reticulum, ribosomes, and Golgi apparatus are among the organelles that share similarities.

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1. What is an insulating layer around some axons in the brain and what is it made of?
A.oglioglia; neurons
B.astroglia; Schwann cells
C.myelin; Schwann cells
D.myelin; amino acids

Answers

Myelin, which is composed of Schwann cells, is an insulating layer that surrounds portions of the brain's axons. A protective covering known as myelin is produced by Schwann cells in the peripheral nervous system.

What does myelin mean?

A protective layer or sheath called myelin develops around nerves, including those in the brain and spinal cord. It is composed of fatty and protein components. Electrical impulses may move swiftly and effectively along nerve cells because to its myelin layer.

Schwann cells make myelin in the peripheral nervous system (PNS: nerves) and oligodendrocytes in the central nervous system (CNS: brain and spinal cord). In the PNS, one Schwann cell forms a single myelin sheath

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In a soil profile, which is the most fertile layer?

Answers

Answer

C

Explanation

Topsoil is the most fertile layer of soil, it is rich in microorganisms, humus and minerals.

Which of these statements is true with regard to this animation?
sodium and potassium ions are transported against their concentration gradients.
the cell is not expending energy.
sodium ions are transported down their concentration gradient.
potassium ions are transported down their concentration gradient. the cell does not expend atp?

Answers

Option A. Both sodium and potassium ions are transported against their concentration gradient.

A concentration gradient happens when the attention of particles is better in a single area than in every other. In passive shipping, particles will diffuse down a concentration gradient, from areas of better awareness to areas of decreased concentration, until they are frivolously spaced.

A concentration gradient happens when the concentration of debris is higher in a single vicinity than in some other. In passive transport, debris will diffuse down a concentration gradient, from areas of higher awareness to areas of decreased awareness, till they're frivolously spaced.

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what is food nutrition ​

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Answer:

the study of nutrients in food, how the body uses them, and the relationship between diet, health, and disease

Explanation:

Is the method "Reduce, Reuse, Recycle" useful in getting rid of plastic in our environment?

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The method "Reduce, Reuse, Recycle"is really important for managing human impacts in our environment. The less plastic we consume (reducing), the better. As much as we can reuse the plastic, the better also. We wouldn't be creating that many trash and would be reducing pollution. Recycling is always the best way to deal with our trash, so it won't be harmful to the environment. However, to really get rid of plastic in our environment it is important to stop producing plastic as well, not only reducing the consume, reusing the plastic and recycling the trash

What material is left over in thelarge intestine?A. insoluble fibers, waste, and waterB. the liquefied food full of nutrients to be absorbed into the blood streamC. a ball of food waiting to be broken downD. small pieces of food mixed with enzymes and digestive substances

Answers

The goal of the large intestine is to absrob minerals, remaining nutrients, and specially water. So this kind of components must enter the large intestine. Therefore the correct option is A. "Insoluble fibers, waste and water. B./C are not correct, because the food full of nutrientes/ball of food enters the small intestine, before the large one. D. is not correct either, because the food along with enzymes are the products that exit from the stomach.

can you help me with that what is the trna and aa?

Answers

The tRNA sequence belongs to the complementary sequence of the mRNA sequence. Although an important conceptual difference is that tRNA goes in separate triplets, while mRNA is a continuos sequence. So, in this case the tRNA will be: UAC - UGA - UCG - ACC - CCC - AUA - AUG - AAA - AUC.

an importa

Which of the following is NOT a function of the circulatory
system?
A. Carrying away wastes from cells to the kidneys for excretion
B. Keeps us hydrated
C. Immune system protection
D. Clotting to prevent blood loss

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Answer:

B

Explanation:

immune system protection

Which statement describes the offspring cells produced during this process?

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Mitosis produce 2 identical daughter cells. Each of these cells have the same number of chromosomes as the parent cell.

The budding yeast cell that is undergoing mitosis have the same number of chromosomes as the parent cell. Meiosis produce daughter cells having half the number of chromosomes of the parent cells.

Answer - Option 2 - They have the same number of chromosomes as the parent cell

In fish, these turn gills. Evolutionists claim that in mammals these turn into the ears and throats. Evolutionists claim this points to a common ancestor.TailGill slistsEmbryo Yolk sac

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Fish's gills and mammal's ears and throats originate from similar structures found in the embryonic stage, which are known as gill slists or pharyngeal slits, and are found in all vertebrates during embryonic development.

This means gill slists is the right answer.

number 1 in the diagram above is a representation of a/an

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If number 1 is the single strand within the nucleus, it is mARN or messenger ARN. mARN has the genetic information needed to make proteins and carries this information from the DNA nucleus of the cell, to the cytoplasm where proteins are made.

inclination of the ramp vs speed of the toy car

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According to the graph, the inclination of the ramp does not affect the speed of the toy car.

What are speed and its unit?

Speed refers to the rate of change of position of an object. Speed is measured as the ratio of distance covered by a body to the time in which the distance is covered. Speed is also defined as the rate of distance covered with time. The SI unit of speed is the combination of the basic unit of distance which is the meter and the second basic unit of Time. Thus, the SI unit of speed is meters per second. The formula of speed is

speed = distance time.

Velocity also refers to the speed of the object but in velocity, the object is moving in a specific direction.

According to the graph, there is no effect of the inclination of the ramp on the speed of the toy car but there is a direct effect on the distance of the ramp and the speed of the toy car. We can see in the graph that when we increase the distance of the ramp, the speed of the toy also increases and vice versa.

So we can conclude that there is no effect of the inclination of the ramp over the speed of the toy car.

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All animals area. polytrophsb. heterotrophsc. autotrophsd. biotrophs

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Animals

All animals are heterotrophs (option B), which means that they cannot produce their own food, and therefore they need to feed on different types of organic matter in order to obtain energy for survival.

look at the picture

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According to the given statement  The average atomic mass of rubidium is 85.468 .

What is atomic mass?

The average mass of an element's atoms measured in atomic mass units is known as its atomic mass (amu, also known as daltons, D). The mass of each isotope is divided by its abundance to create the atomic mass, which is a weighted average of all the atoms of that material.

Briefing:

Given that the abundance of the ⁸⁵Rb isotope is 72.17% and its atomic mass is 84.912amu

We get 84.912 x 0.7217 = 61.281

And the abundance of the isotope ⁸⁷Rb, having an atomic mass of 86.909, is 27.83%.

We get 86.909 x 0.2783 = 24.187

Thus we get 61.281 + 24.187 = 85.468 as the average atomic mass of Rubidium.

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The complete question is -

Calculate the average atomic mass of rubidium. Rubidium has two isotopes, ⁸⁵Rb and ⁸⁷Rb. 85Rb has an atomic mass of 84.912 amu and occurs at an abundance of 72.17%. ⁸⁷Rb has an atomic mass of 86.909 amu and occurs at an abundance of 27.83%. Show your work.

What causes body water to increase during pregnancy?​

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When you're pregnant, you need more water than the average person in order to form amniotic fluid, produce extra blood, build new tissue, carry nutrients, enhance digestion, and flush out wastes and toxins
BODY Water content rises during pregnancy due to the water content of the fetus, placenta, and liquid amnion, as well as the expansion of the reproductive organs and the mother's blood volume. Clinical oedema is a common occurrence and indicates that extracellular water has increased.


13. In order to bond a monosaccharide to an existing chain, what molecule must be removed?
14. If a chain of 5 monosaccharides are to be linked together, how many water molecules must be removed?
15. How does the number of glycosidic linkages compare to the number of water molecules produced?

Answers

When two monosaccharides undergo a condensation process with the removal of one molecule of water from the functional groups, a disaccharide—a kind of carbohydrate—is created.

What has to be taken out of some of the monosaccharides before they may be chemically joined?

Dehydration synthesis is a chemical process that converts monosaccharide molecules into poly- or disaccharide molecules. The monosaccharide molecules are united to produce the disaccharide or polysaccharide in such a process, which removes the water-containing components.

A glycosidic bond, a sort of condensation process, is formed when two monosaccharides come together. A water molecule is lost when the carbon of one sugar (often the carbon in position 1) interacts with the hydroxyl moiety of another sugar molecule.

When two monosaccharides are combined and a water molecule is eliminated, disaccharides are created.

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Describe the structure and the function of the endoplasmic reticulum. include information for the two types of endoplasmic reticulum. Use details to support your answer.

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Answer and explanation

Endoplasmic reticulum (ER) is a tubulus membrane that is found in the cytoplasm of the Eukaryote. It's structure consists of the nuclear envelope and the pheripheral endoplasmic reticulum.

Endoplasmic reticulum is divided into 1. smooth ER and 2. rough ER

1. Rough ER - has large numbers of ribosomes attached to the outer surfaces of the lamella membranes, this is the area of ribosomes important for protein production, storage and export. The modified proteins move slowly along the inside of the rough ER until they are packed into small vesicles of the endoplasmic reticulum. After packaging, the proteins are moved by elements of the cytoskeleton either to the Golgi apparatus or to the plasma membrane.

2. Smooth ER - Is involved in the synthesis of steroid. On the surface of smooth ER, there are no ribosomes, therefore it does not participate in the formation of proteins. Its function is to contains many enzymes and other proteins, in liver cells, that have the ability to detoxify a wide range of drugs and poisons.

What are RNA Primers? And what is their role in DNA replication?

Answers

RNA primers are short dna sequences. In DNA replication, primers pair up with sequences on the lagging and leading strand kickstarting the whole process of replication.

What is the purpose of gathering information for your topic?

Group of answer choices

A. A scientist must research to understand the topic before being able to create a scientific hypothesis.

B. It is important to indicate to someone something you have observed in writing.

C. Gathering information would make the results skewed.

D. Creating the graph would help communicate the results efficiently.

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Answer:

A. A scientist must research to understand the topic before being able to create a scientific hypothesis.

Which of these is not a function of some membrane proteins A keeping polar molecules out of a cell B receiving messages from other cells C recognizing other types of cells D Catalyzing chemical reactions in the cell

Answers

Membrane proteins are those structures that are joint to the membrane of the cell, which allows it to have communication between its inside and its outside, but they have a limited size, and because of that, they keep great polar molecules outside the cell, also receive messages from neighboring cells, and recognize other types of cells, but they are not involved in the catalyzation of chemical reactions in the cells, since their function is mainly allow the movement of molecules from inside to outside or vice versa, and, as we've seen, also the communication between other cells.

So the answer to this question is D. Catalyzing chemical reactions in the cell, what they don't do.

What effects will result in an individual with this karyotype?

Answers

Answer: Trisomy 21

Expanation: tTe most common chromosomal anomaly in humans, affecting about 5,000 babies born each year and more than 350,000 people in the United States. Also known as Down syndrome, trisomy 21 is a genetic condition caused by an extra chromosome.

Which of the following is not characteristic of salt marshes and mangrove swamps?Group of answer choicesBoth are threatened by developmentBoth provide habitats for wildlife.Both are found along coastal areasBoth are dominated by marsh grasses

Answers

Difference between salt marshes and mangrove swamps

Salt marshes

> found in coastal areas

> more dominant in temperate regions and colder areas

> dominated by marsh grasses

> sensitive to changes in the coastlines

Mangrove swamps

> found in coastal areas

> more dominant in tropical regions and warmer areas

> dominated by mangrove trees

> sensitive to land conversions of the coastline

ANSWER: Both are dominated by marsh grasses

What is the density of a piece of lead that has a mass of 253.1 grams and a volume of 22.4 cm3?

a 3.4 g/cm3

b. 9.5 g/cm3

c. 11.3 g/cm3

d. . 15.8 g/cm3

Answers

Answer: The answer is A

Explanation:

What is the mass of a piece of platinum that has a density of of 21.4 g/cm3 and a volume of 0.4 cm3?

a 8.6 G

b. 21.8 g

c. 53.5 g

d. 115.8 g

Answers

Answer: C

Explanation:

Enzymes speed up reactions by lowering the activation energy of a reaction. This is comparable withA.reducing the force a ball needs to start rolling down a hill B.increasing the height an apple will fall from a tree C.causing a snow storm in the middle of summer when temperatures are hot D.blocking a flowing river with a dam to stop the flow E.All answers are correct

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The enzymes activity is mensured to indicate the rate of reaction catalysed by that protein, the action of the enzyme is to decrease the time required for a natural reaction to occur, for example the sucrase breaking down the sucrose, or a lactase for lactose. Therefore, the option with a example that is similar to enzymatic activity is A. reducing the force a ball needs to start rolling down a hill (the force for the start of the movement is comparable with the activation energy of a chemical reaction). The other options present situations opposite to what is expected from the action of a catalyst molecule.

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What structures topped the great earthen platforms on which the Olmec people built their cities? If Allies parents are willing to spend $300 for a party, how many people can attend? Solve: -3+12x=-3x+27 higher concentration of salt. 1. inhibits nucleic acids secondary structure formation by increasing repulsion of phosphodiester backbones. 2. will have no effect on nucleic acids secondary structure formation. 3. promotes nucleic acids secondary structure formation by decreasing repulsion of phosphodiester backbones. 4. affects nucleic acids secondary structure formation by changing the strength of stacking interactions. group of answer choices Difference between Power and Leadership Lord of the FliesThree main Reasons/differencesEssay - 3 body paragraphs 6. What is the monomer (building block) of nucleic acids such as DNA and RNA a.Nucleotidesb.Amino Acidsc.Glycerol head and fatty acid tailsd.Monosaccharide the average depth of the arctic ocean is 3.953x10^3 feet while the average depth of the atlantic ocean is 1.2851x10^4 feet. approximately how many times deeper is the atlantic ocean than the arctic ocean What is the focal length of a concave lens that forms an image with a xi value of -10.0 cm when an object is 35.0 cm from the lens? A veterinarian is visited by many pets and their owners each day. Before the doctor attends to each pet, an assistant records information including the type, age, weight, and height of each pet. What are the individuals in the data set? Points 1 to 6To present y=-x^3+3x^2, 9 points must be selected, point 1: Domain, 2: zeros of the function, 3: period and symmetry, 4: sign of the function, 5: going to the edge of the function, 6: asymptotes, 7: monotony and extreme values, 8: concavity and convexity, 9: to present the function graphically. A paper company needs to ship paper to a large printing business. The paper will be shipped in small boxes and large boxes. The volume of each small box is 6 cubic feet and the volume of each large box is 15 cubic feet. There were 2 more small boxes shipped than large boxes and the total volume of all boxes was 243 cubic feet. Write a system of equations that could be used to determine the number of small boxes shipped and the number of large boxes shipped. Define the variables that you use to write the system. PLS HELP ASAP Clara and Toby are telemarketers.Yesterday, Clara reached 4 people in 10 phone calls, while Toby reached 3 people in 8 phone calls.If they continue at those rates, who will reach more people in 40 phone calls?Use the drop-down menu to show your answer. Solve the unequality10 is greater than X over six what is a sales return?multiple choice question.a sales return refers to merchandise that customers return to the seller after a sale.a sales return is the cash discount given for early payment of an invoice.a sales return refers to merchandise a seller acquires, but then returns to the buyer.a sales return is designed to shorten the payment period between the buyer and the seller. For the function f(x)= x^2+4x-1, what is the range of f (x) for the domain {-2,0,1}? according to government data, 51% of employed women have never been married. rounding to 4 decimal places, if 15 employed women are randomly selected: a. what is the probability that exactly 2 of them have never been married? b. that at most 2 of them have never been married? c. that at least 13 of them have been married? Find an equation of the line described. Write the equation in slope-intercept form.With slope of -2 through (0,4)the equation of the line is y=0 Determine which set of side measurements could be used to form a triangle. 12, 23, 7 10, 7, 2 8, 3, 11 5, 11, 8 all of the following would enhance recruiter effectiveness except: group of answer choices ensuring that recruiters provide applicants with timely feedback. recruiting in teams rather than individually. using realistic work perusal as part of the recruitment process. ensuring that recruiters are knowledgeable about company policies and procedures. underline and fix the dangling modifier:Fishing for trout, our boat tipped over.