Answer these questions about making a yogurt.

1) why is the milk pasteurized at the start of the process?

2) Why is the mixture of milk and bacteria incubated at 45 °C?

3) what causes the milk to thicken?

4) why does fermentation eventually stop?

5) Explain how making yogurt is a way of preserving the nutrients from milk.

Answers

Answer 1

It should be noted that milk is pasteurized at the start of the process in order to kill bacteria.

The mixture of milk and bacteria is incubated at 45 °C to kill the bacteria.

The drop in pH causes milk to thicken. Fermentation is stopped when the alcohol concentration rises to a point where it kills the yeast cells.

Lastly, making yogurt is a way of preserving the nutrients from milk as the bacteria ferment the milk thereby turning the lactose sugars to lactic acids.

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Related Questions

which substance from the light-dependent reactions of photosynthesis

Answers

Answer:

The ATP and NADPH which are produced in the light-dependent reactions are utilised as the source of energy in the Calvin Cycle.

A cross between a red cow and a white bull produces an offspring with a roan color (a spotted red-and-white color). This exhibits what type of genetic inheritance?

Answers

Answer:

co-dominance

Explanation:

in co-dominance both parents are dominant

If you placed the celery into a bottle of colored water that was 35% sugar, would the colored water be seen in the celery? Why or why not? (HINT: Drawing a diagram of this scenario may help – 35% sugar is a very concentrated solution…)

Answers

No , it is to concentrated to be absorbed fully

what types of solute molecules may be moved by facilitated diffiusion

Answers

Explanation:

Facilitated diffusion therefore allows polar and charged molecules, such as carbohydrates, amino acids, nucleosides, and ions, to cross the plasma membrane. Two classes of proteins that mediate facilitated diffusion are generally distinguished: carrier proteins and channel proteins.

Gel electrophoresis allows molecules to migrate along the gel at different rates by using:

Answers

Answer:

Agarose gel or Pores in the gel

Explanation:

This question could have multiple answers because the gel has pores in it that allow smaller fragments of DNA to move faster through the pores because they're not getting stuck in the gel. Larger fragments of DNA get stuck in the gel as they try to fit through the large pores.

So, you could either say the agarose gel itslef or you could say the pores in the agarose gel allow the molecules to move at different rates.

Answer:

electrical fields

Explanation:

What are the three types of polysaccharides?

BRAINLIEST FOR THE BEST ANSWER!!!

Answers

Answer:

cellulose, starch and glycogen

Explanation:

the three types of polysaccharides are cellulose, starch and glycogen

Answer:

so the best ones are cellulose, starch, and glycogen

Explanation:

ll made by joining together molecules of glucose in different ways. It has been estimated that 50% of the world's organic carbon is found in one molecule; cellulose. hope this helps ! hu

HELP FOR MIDTERM STUDY GUIDE

During photosynthesis, what best describes the role of the compound with the chemical formula C6H12O6?
a. product that is not useful because of its low-energy chemical bonds
b. a product that is useful because of its high-energy chemical bonds
c. a reactant that is useful because of its high-energy chemical bonds
d. either a product or a reactant, depending on whether the cell needs to store energy or
release energy

Answers

It is b because of all the cells that produce the chemical bond

Mitosis maintains chromosomes in each {blank} while meiosis maintains chromosome number in the {blank}.

Answers

Answer:

Mitosis maintains chromosomes in each cell division constant, while meiosis maintains chromosome number in half

Explanation:

Mitosis maintains chromosomes in each daughter cell while meiosis maintains chromosome number in the gametes.

What is mitosis and meiosis?

Mitosis is the process by which a cell divides into two identical daughter cells, each with the same number and type of chromosomes as the parent cell. During mitosis, the cell's DNA is replicated, and the replicated chromosomes are evenly distributed into the two daughter cells. This ensures that each daughter cell receives a complete set of chromosomes, maintaining chromosome number in the daughter cells.

Meiosis, on the other hand, is the process by which a cell divides into four non-identical daughter cells, known as gametes. During meiosis, the cell's DNA is replicated, and the replicated chromosomes are shuffled through a process called crossing over. This shuffling results in gametes with unique combinations of chromosomes, which helps to maintain chromosome number in the gametes. Gametes, also known as sex cells, are the cells involved in sexual reproduction, and they are important for maintaining chromosome number in offspring.

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Which best describes stellar equilibrium?

Answers

C) The core contains equal amounts of hydrogen and helium

Thick hair is dominant to thin hair and brown eyes are
dominant to blue eyes. If a man that is heterozygous
for thick hair and brown eyes and a woman is
heterozygous for thick hair and brown eyes, what is
the chance that they would have a baby with thin hair
and blue eyes?

Answers

Answer

1/4

Explanation:

1/4 properbility

Question why won't answers open up where is the log in page

Answers

Answer:

Hmm I'm not sure I joined only a few days ago.

Explanation:

What do protists and animal cells have in common?

Answers

All animal-like protists are heterotrophic and eat other organisms. I think

why are there earthquakes​

Answers

Answer:

Earthquakes are usually caused when underground rock suddenly breaks and there is rapid motion along a fault. This sudden release of energy causes the seismic waves that make the ground shake. The earthquake starts at the focus, with slip continuing along the fault. The earthquake is over when the fault stops moving.

Carry learning!

Stay safe!

Study hard!

Causes of Earthquakes in General

- Induced Earthquakes. Induced quakes are caused by human activity, like tunnel construction, filling reservoirs and implementing geothermal or fracking projects.
- Volcanic Earthquakes. Volcanic quakes are associated with active volcanism.
- Collapse Earthquakes.

Define Digestive System ​

Answers

organs that take in food and liquids and break them down into substances that the body can use for energy and tissue repair
complex process of turning the food you eat into nutrients

How do you think astronomers group planets?

Answers

Answer:

They group them biased off of similar traits and there orbital paths.

Explanation:

I hope this helped ^ ^

please help!!
I WILL MARK BRAINLIEST!!!!​

Answers

Answer:

1.A

2.C

3.D

4.C

5.A

Explanation:

1.There are some characteristics that are inherited from your parents, shape of blood cells is one of them. In sexual reproduction, offspring are formed when sperm of male combine with egg of female organism.Therefore, some characteristics comes from male organism and some from female organism. In sexual reproduction, diploid organism is formed because half of genes comes from male and half comes from female.

2.Heredity, also called inheritance or biological inheritance, is the passing on of traits from parents to their offspring; either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents

3.A monk, Mendel discovered the basic principles of heredity through experiments in his monastery's garden. His experiments showed that the inheritance of certain traits in pea plants follows particular patterns, subsequently becoming the foundation of modern genetics and leading to the study of heredit

4.Mendel made sure to study 30,00 pea plants when he presented his data to the community. Another example is when Mendel painstakingly removed all of the immature anthers from the plant’s flowers before the cross.Mendel used seven pea plant traits in his experiments which include flower color (purple or white), flower position (axil or terminal), stem length (long or short), seed shape (round or wrinkled), seed color (yellow or green), pod shape (inflated or constricted), and pod color (yellow or green).

5.A pea plant could have a copy of the height gene that coded for "tall" and a copy of the same gene that coded for "short." But the tall allele is "dominant," meaning that a tall-short allele combination would result in a tall plant

Climate change caused by natural disasters cannot have a negative impact on ecosystems. Please select the best answer from the choices provided T F

Answers

Its false because climate change can still effect us, even if it’s natural.

Answer:

FFFFFFFFFFFFFFFFF

Explanation:

trust i got it right on the test have a wonderful day :)))

Which of the follow organ systems are needed to be able to play soccer.

Answers

Answer:

the central nervous system, cardiovascular, respiratory, and musculoskeletal systems

Explanation:

Answer: The Muscular System is crucial when playing soccer. Four muscle areas are essential in order to rotate upper body, extend leg, and kick the ball: Quadriceps- Are a group of muscles found on the front of the leg. When kicking the ball, the knee is flexed and the hips are extended.

Picture:

Explain why most nerve cells have a myelin sheath (2 marks)​

Answers

Answer:

This allows electrical impulses to travel efficiently and quickly along the cells.

Which of the following adaptations helps alpine animals survive the cold winter? a. Reduced lung size b. Low levels of hemoglobin c. Hibernation d. Large legs, ears, and tails.

Answers

Hibernation is an adaptation that helps alpine animals to survive the cold winter. Hibernation helps to store energy.

Hibernation is an adaptation that helps to store energy by decreasing the metabolic rate.

This adaptation (hibernation) is observed in animals living in extremely cold conditions (e.g., alpine animals).

The hibernation adaptative strategy is characterized by an excessively low temperature in the body, slow breath rate, slow beats (heart rate), and low metabolic rate.

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Answer:

C

Explanation:

Edge 2021 trust

I really need help please

Answers

Answer:

There should probably be some proof in the information above, but the mass would be lost through excretion, respiration, sweating,  and movement

Explanation:

Answer:

Ok, in the diagram it looks like there are arrows pointing to its mouth and its rear end right so my best guess would be that the rabbit eats the food, some of the mass is turned into energy and the rest of it goes out the rear end. I'm assuming they want you to explain how mass is turned into energy and travels throughout the body.

Explanation:

Construction of a new road system splits a population of a rare snail species into three sub- populations, J, K and L. Each of these populations is reproductively isolated.
The table shows the sizes of the three populations immediately after the building of the road
and again ten years later. DNA analysis was used to find:
p the relative frequency of the dominant allele of a gene
q the relative frequency of the recessive allele of this gene.
The three areas of habitat remained the same as each other over the ten year
immediately after road building
after 10 years
population p q size
1000 0.52 0.48 100 0.63 0.37 10 0.20 0.80
population p size
J 1000 0.50 K 100 0.49 L 10 0.40
q
0.50 0.51 0.60
Which statements are supported by this data?
Statement 1: Statement 2: Statement 3:
Natural selection is occurring in populations K and L.
The Founder Effect is strongest in population L.
The observed allele frequency changes result from genetic drift.
A. 1, 2 and 3 C. Only 2 and 3
B. Only 1 and 2 D. Only 1

Answers

Answer:

hey(not contact)...to their family since they went away

Explanation:

If the economy is too big, does it have a negative or positve effect on the environment?

Answers

Economic growth means an increase in real output (real GDP). ... The environmental impact of economic growth includes the increased consumption of non-renewable resources, higher levels of pollution, global warming and the potential loss of environmental habitats.

Which of the following would be best evidence that the climate and geogly of an area have changed over time

Answers

Answer:

Sea shell fossils are found in a mountain-top cave in New Hampshire.

Explanation:

The products from cellular respiration are the reactants in which other chemical process?
A. anaerobic respiration
B. photosynthesis C. Krebs cycle
D. fermentation

Answers

Answer:

B

Explanation: Photosynthesis

PLZZZZ HELP MEEE I WILL GIVE BRAINLYEST

Answers

What's the question?

I cannot download anything from the internet sorry, so i need the question to be able to answer.

The answer would be choice A

What organs help to complete digestion in the small intestine?

Answers

Answer:

The muscles of the small intestine mix food with digestive juices from the pancreas, liver, and intestine, and push the mixture forward for further digestion.

New cells are created from ______ ______.

Answers

Explanation:

New cells are created from existing cells through a process referred to as the cell cycle

Which substances will float on water? (there are eleven, name all of them)

Answers

Answer:

bambo!

Explanation:

what are the functions of the cells in the chloroplast

Answers

Answer:

Chloroplasts are plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process. By doing so, they sustain life on Earth. ... Chloroplasts are plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process.

Explanation:

Chloroplasts are plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process. By doing so, they sustain life on Earth. ... Chloroplasts are plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process.

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