What is the role of water in the hydrolysis of lactose to form glucose and galactose?

Answers

Answer 1
Glucose and galactose are bond together in the molecule, and lactase assists in the process of separating them through a mechanism called hydrolysis. In lactose a water molecule is inserted across the glucose-galactose bond, adding an oxygen and hydrogen to the galactose.

Related Questions

Is Biotechnology ethical ? Why is it or why is it not ?

Answers

Answer:

yes , biology is ethical.

Explanation:

Ethical issues that arise from modern bio technologies include the availability and use of privileged information, potential for ecological harm, access to new drugs and treatments, and the idea of interfering with nature

how fast does a body decompose to skeletal remains?

Answers

Answer:

Timeline. In a temperate climate, it usually requires three weeks to several years for a body to completely decompose into a skeleton, depending on factors such as temperature, humidity, presence of insects, and submergence in a substrate such as water.

Explanation:

Identify the 6 steps jaguar would use to forecast for the new S-type jaguar

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Jaguar would use the following six steps to forecast for the new S-type Jaguar:

1. Environmental Scanning: This process involves the gathering of information on all external factors that might affect the production and sale of the S-type Jaguar. This can include economic trends, political factors, and social factors such as changing lifestyles or consumer trends.

2. Market Segmentation: This process involves dividing the target market for the S-type Jaguar into smaller, more manageable groups based on specific demographic, geographic, and psychographic variables.

3. Forecasting Demand: This process involves using statistical tools and market research data to estimate the level of demand for the S-type Jaguar.

4. Setting Objectives: This process involves setting clear objectives for the production and sale of the S-type Jaguar, such as sales targets or market share goals.

5. Developing a Marketing Plan: This process involves developing a marketing plan that outlines the steps that will be taken to achieve the objectives set out in the previous step.

6. Implementing and Monitoring the Plan: This final step involves putting the marketing plan into action and monitoring its effectiveness to ensure that the objectives are being met and any necessary adjustments can be made if necessary.

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Write a reflection on how human activity has affected earths lithosphere (land).

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Mining has a number of negative effects on then environment. Groundwater pollution, deforestation, decreased air quality due to dust erosion, and the release of toxic chemicals are some of the worst consequences. Deforestation is the removal of forests. This leads to less oxygen being produced, more runoff, more erosion of topsoil, and decreased habitat for animals and other species. Agricultural uses of land may look appealing from a distance but up close, the application of pesticides, herbicides, and antibiotics may make agricultural land use less friendly to the environment. Additionally, plowing and irrigation frequently lead to increased erosion. Overgrazing animals can strip the vegetation from an area which can also cause increased erosion. Urbanization is the growth of urban areas which include buildings, roads, and other unnatural structures. Urbanization usually increases runoff into streams and rivers because many city surfaces like roofs, pavement, and sidewalks do not allow water to soak in. This can cause increased flooding in nearby streams, rivers, and lakes. Additionally, urbanization usually decreases habitats for animals.


hardy weinberg equilibrium Non Examples:

Answers

Answer:

If the allele frequencies change from the original frequencies after one cycle of random mating, the population is not in Hardy-Weinberg equilibrium, and evolution has occurred within the population.

the scientific foundation of human development is based on what?

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The scientific foundation of human development is based on the study of developmental psychology, which is the scientific discipline that studies how and why human beings change and grow throughout their life.

This field of study looks at the various stages of human development, including infancy, childhood, adolescence, adulthood, and old age, and examines the physical, cognitive, emotional, and social changes that occur during each stage. The study of human development is interdisciplinary, drawing on concepts and theories from biology, sociology, anthropology, neuroscience, and other related fields. It aims to provide a comprehensive understanding of the complex and dynamic nature of human development, and to inform interventions and policies aimed at promoting optimal development and well-being across the lifespan.

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which part of the grain is especially rich in oils, vitamins, and minerals?

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Carbohydrates, protein, and soluble fiber are found in the endosperm, the part of the grain that is in the middle. Oily and containing vitamins E and B, good fats, protein, and trace minerals, the innermost center is also the oiliest.

What five vitamins and one mineral have enhanced grains been given?

Flour that has had certain nutrients that were lost during preparation added back is known as enriched flour. Among these replenished minerals are B vitamins and iron (folic acid, riboflavin, niacin, and thiamine). Supplemental calcium is another option.

The least nutritional component of the grain, the starchy endosperm, is left behind after the germ and bran have been removed from many multigrain products. The outer fiber layers of plants, which human digestive enzymes are unable to break down, are made up of bran (dietary fiber).

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Red blood cells are made in the marrow of bones in mammals and only live a short time (about 3 months). Then they are recycled. Mammalian red blood cells have no real control center needed in order to reproduce. What organelle is missing from red blood cells in mammalians?

Answers

Answer:

nucleus

Explanation:

this is because a nucleus is the one that regulates and controls the activities of the nucleus

HELP pls will mark you the brainliest

HELP pls will mark you the brainliest

Answers

Answer: it's b my friend

Explanation:

during crossing over, chromatids in homologous pairs of chromosomes often twist around each other, break, exchange, segments, and rejoin. this process usually contributes to

Answers

Genetic diversity and variation are influenced by cross-pollination and genetic recombination.

What are Examples of genetics

Studies of genes are done in genetics. Information is transferred from one generation to the subsequent through our genes. In contrast to their sibling, who has dark hair like their father, one child had blonde highlights like their mother due to genetics.

What is a genetic explanation?

The scientific study in genetics examines genes and heredity, or the process by which specific characteristics or traits are transferred from parents to children as a result of variations in DNA sequence. A gene is an area of DNA that provides instructions for creating one or even more molecules that support bodily function.

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PLEASE HELP. Why is the Krebs cycle so important if it only produces 2 ATP molecules?
a) It produces reducing agents for the electron transport chain
b) It oxidizes pyruvate and prepares it for the electron transport chain
c) It uses all the glucose we eat
d) It produces many CO2 molecules

Answers

Answer:

A- It produces reducing  agents  for the electron transport chain

Explanation:

Find the reasoning sentences and evidence in the paragraph with exact quotes.


“A common type of asexual reproduction found in nature is called mitosis. mitosis requires less energy than sexual reproduction does. Mitosis can occur in seconds and does not require a mate to reproduce. Sexual reproduction requires two compatible parents. It also requires time to produce the egg and sperm cells and then for fertilization to occur. Energy is required to find a compatible mate, produce sex cells and for fertilization. Therefore Mitosis requires less energy than sexual reproduction does.”

Answers

The sentence; "Mitosis requires less energy than sexual reproduction does." is a reasoning sentence.

What is the reason?

Reasoning sentence 1: "Mitosis requires less energy than sexual reproduction does."

Evidence 1: "mitosis requires less energy than se--xual reproduction does."

Reasoning sentence 2: "Mitosis can occur in seconds and does not require a mate to reproduce."

Evidence 2: "Mitosis can occur in seconds and does not require a mate to reproduce."

Reasoning sentence 3: "Se---xual reproduction requires two compatible parents. It also requires time to produce the egg and sperm cells and then for fertilization to occur."

Evidence 3: "Se---xual reproduction requires two compatible parents. It also requires time to produce the egg and sperm cells and then for fertilization to occur."

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Where is DNA located in your body?

Answers

Answer:

DNA is in the nucleus of nearly every cell in your body.

Explanation:

DNA is housed in the nucleus because it is the genetic material and needs to be protected.

Answer:

The DNA is located in the nucleus.

Explanation:

Humans and animals are EUKARYOTES which means we have a nucleus, where the DNA is stored. PROKARYOTES do not have a nucleus to the DNA is stored in the cytoplasm.

~Anna

What is speciation? in your own words

Answers

Answer:

A new species being created through evolution

Brown rabbits have the genotypes BB or Bb. White rabbits have the gene type bb. If two brown rabbits, with the genotypes seen in the punnet square above, have baby rabbits, what is probability that the baby rabbits will also be brown

Answers

Answer:

the answer would probably be 75%

Explanation:

If you do a punnet square it will show the results.

I don’t know the answer I just need points have a great day :)

Select the correct answer from each drop-down menu. plants are classified based on the presence of a certain specialized tissue. a specialized tissue called_____tissue helps transport____and water to all parts of the plant.1. A. VascularB. MycorrhizaeC. Sporophyte2. A. PollenB. OxygenC. Nutrients

Answers

Answer:

1.Vascular B

2.Nutrients.

In pea plants, the allele for yellow seeds (Y) is dominant and the allele for
green seeds (y) is recessive. Two plants with the following genotypes are
crossed:
YY x Yy
What ratio of yellow seeds to green seeds should you expect in the offspring?
A. 2:2
B. 3:1
C. 1:3
D. 4:0

Answers

Answer: B: 3:1

Explanation: The first pair of alleles are homologous, consisting of both dominant yellow seeds, while the other pair is heterozygous with one yellow seed and one green seed. This would make the genotype 75% yellow and 25% green, or 3:1

A fertilizer company is trying to find a new herbal pesticide to add to its product. Company managers know that peppermint oil or lavender oil will be used. They also know that the time of day the fertilizer is applied, morning and night, affects the pesticide. An experiment will compare all combinations of these choices. Three types of insects will be subjected to each treatment and scored for quality. What are the treatments

Answers

Answer:

Peppermint oil and morning, peppermint oil and night, lavender oil and morning, lavender oil and night

Step-by-step explanation:

Fertilisers are substances, which could be organic or inorganic, that is added to soil to increase crop yield.

Pesticide can be defined as substances that are used to control pests in an environment. Example of a pesticide includes:

- fungicides,

- herbicides( these are used to kill unwanted plants) and

- insecticides.

From the existing knowledge that the time of day the fertilizer is applied, morning and night affects the pesticide, and the Company managers know that peppermint oil or lavender oil will be used.

The insects should be subjected to the following treatments to effectively compare all combinations of these choices listed above:

- Peppermint oil and morning,

- peppermint oil and night,

- lavender oil and morning,

- lavender oil and night

Which one of the answers? and if possible a explanation would be nice.

Which one of the answers? and if possible a explanation would be nice.

Answers

Every sperm cell and every egg cell is different even in the same person because of : (a) crossing over during meiosis.

Why every sperm cell and every egg cell is different even in same person?

During meiosis, process of cell division that produces sperm and egg cells, homologous chromosomes can exchange genetic material through process called crossing over. This results in unique combinations of genetic information in each gamete that is produced, leading to the genetic diversity.

Mutations during translation (b) and mitosis (d) can also lead to genetic variation, but they occur much less frequently and do not play significant role in generating genetic diversity as crossing over during meiosis.

Epigenome of each individual sperm or egg cell (c) can also vary, but this is not the primary mechanism that leads to the differences between sperm and egg cells from same person.

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Can someone help me with this question?

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Umm question?????????

Examine the following genetic sequences and determine which pair are the most similar based on their ED (evolutionary distances). Species 1 = ATTGGCCATT Species 2 = ATTCCGGTTT Species 3 = TTTGGCCATT Species 4 = ATTCCCCCCC Multiple Choice Most similar are: Species 1 = ATTGGCCATT Species 3 = TTTGGCCATT Most similar are Species 2 = ATTCCGGTTT Species 3 = TTTGGCCATT Most similar are Species 3 = TTTGGCCATT Species 4 = ATTCCCCCCC Most similar are Species 1 = ATTGGCCATT Species 4 = ATTCCCCCCC

Answers

Answer:

ATC-75/w

Explanation:

The sequence of nucleotides is called
A. Gene
B.genome
C.gene expression
D. Genetic code

Answers

I’m certain it’s b or d

population of bacteria is growing according to the equation P(t)=1000e0.12t, where P(t) is the population and t is the time in hours. Estimate when the population will reach 5000 . Round to the tenths. Provide your answer below:

Answers

The estimated time it will take for the population to reach 5000 bacteria is approximately 13.4 hours.



To estimate when the population will reach 5000 bacteria, we can set up the equation P(t) = 5000 and solve for t.

The given equation for population growth is P(t) = 1000e^(0.12t). To solve for t, we can substitute 5000 for P(t):

5000 = 1000e^(0.12t)

To isolate the exponential term, we can divide both sides of the equation by 1000:

5 = e^(0.12t)

Next, we can take the natural logarithm (ln) of both sides to remove the exponential:

ln(5) = ln(e^(0.12t))

Using the property of logarithms, ln(e^(0.12t)) simplifies to 0.12t:

ln(5) = 0.12t

Now, we can solve for t by dividing both sides by 0.12:

t = ln(5) / 0.12

Using a calculator, we find that ln(5) is approximately 1.6094. Dividing this by 0.12 gives us an approximate value for t:

t ≈ 1.6094 / 0.12 ≈ 13.4117

Rounding to the tenths place, the estimated time it will take for the population to reach 5000 bacteria is approximately 13.4 hours.

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Cheetahs and lions live in the same regions and eat the same food sources, such as gazelles and small wildebeests. Because of this, when food is limited, they often have to fight to survive.
is this mutualism, parasitism, or commensalism?

Answers

None of these answers seem to fit because the relationship between the cheetahs and lions is a competitive relationship, while mutualism, parasitism, and commensalism are all symbiotic relationships.

Cheetahs and lions live in the same regions and eat the same food, thereby it can be described as an interspecific-competition relationship.

What is competition?

Competition is an ecological relationship where two species are confronted with limited resources (e.g. food)

Mutualism is an ecological relationship where both species are benefited from their interactions.

Parasitism is an ecological relationship where one species is benefited whereas the other is harmed from such interactions.

In conclusion, cheetahs and lions live in the same regions and eat the same food sources, thereby it can be described as an interspecific-competition relationship.

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The limiting factor which is responsible for the transitions from forests to grasslands to deserts is:

Answers

The limiting factor responsible for the transitions from forests to grasslands to deserts is primarily water availability or precipitation.

The transitions from forests to grasslands to deserts are influenced by various environmental factors, but one of the most critical factors is water availability or precipitation.

1. Forests: Forests typically have high levels of precipitation. Sufficient rainfall supports the growth of large trees, diverse plant species, and abundant vegetation. The ample water availability in forests allows for a dense canopy, which shades the forest floor and creates a moist and humid environment.

2. Grasslands: As we transition from forests to grasslands, there is a decrease in precipitation. Grasslands receive less rainfall compared to forests, resulting in a drier environment. This reduced water availability cannot sustain the growth of large trees, but it supports the growth of grasses and other herbaceous plants that are adapted to drier conditions.

3. Deserts: The transition from grasslands to deserts represents a further decline in water availability. Deserts are characterized by extremely low levels of precipitation, often receiving less than 250 mm (10 inches) of rainfall per year. The limited water availability in deserts restricts plant growth, leading to sparse vegetation and the dominance of drought-tolerant plants like cacti and succulents.

In summary, water availability or precipitation plays a crucial role in determining the transitions from forests to grasslands to deserts. As water availability decreases, the vegetation types change accordingly to adapt to the changing environmental conditions.

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The way an organism looks and behaves as a result of its genetic makeup is called its ___________.

Answers

phenotype is the answer

He largest flower in the world, called a rafflesia, is three feet wide and weighs up to 36 pounds. The rafflesia has no roots, stems, or leaves. It lives on and takes nourishment from a vine called tetrastigma. The rafflesia harms the vine. The seeds of the rafflesia are dispersed in an unusual way. Plantain squirrels and tree shrews eat parts of the rafflesia plant. Scientists observe that when the animals chew the rafflesia, seeds get caught in their teeth. The animals will then chew on tetrastigma vines, leaving the seeds where they can germinate. Specialized cells in the rafflesia flower undergo a process that produces gametes. What is this process called?

Group of answer choices

fertilization

Answers

Specialized cells in the rafflesia flower undergo a process that produces gametes is called meiosis.

Meiosis is a type of cell division that occurs during sexual reproduction and lowers the amount of chromosomes in gametes (the sex cells, or egg and sperm). Having two sets of chromosomes, body (or somatic) cells in humans are diploid (one from each parent). A single pair of chromosomes, or haploid, must be present in the egg and sperm that combine during fertilization in order to retain this state. Each diploid cell divides twice during meiosis to produce four haploid daughter cells, or gametes, that are diploid in the beginning.

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Specialized cells in the rafflesia flowers undergo a process that produces gametes. What is this process called?

PLEASE PLEASE PLEASE HELP ME WITH THIS!! ONCE I FIGURE OUT HOW I'LL MARK BRAINLIEST (or however you spell it)!!

PLEASE PLEASE PLEASE HELP ME WITH THIS!! ONCE I FIGURE OUT HOW I'LL MARK BRAINLIEST (or however you spell

Answers

Answer:

1st segment: 3rd answer choice

2nd segment: 1st answer choice

3rd segment: 4th answer choice

4th segment: 2nd answer choice

5th segment: 5th answer choice

a woman has a mutation that causes the zona pellucida to be tough and not disintegrate after the egg was fertilized. how would this affect her fertility? explain.

Answers

If a woman has a mutation that causes the zona pellucida to be tough and not disintegrate after fertilization, it would likely affect her fertility by preventing successful implantation of the fertilized egg and potentially leading to infertility.

The zona pellucida is a glycoprotein-rich layer that surrounds the mammalian oocyte (egg). After fertilization, the zona pellucida plays a crucial role in facilitating the penetration of sperm and then undergoes a process called zona disintegration or zona hatching. This disintegration is necessary for the blastocyst, the early-stage embryo, to successfully implant into the uterine wall.

If a woman has a mutation that causes the zona pellucida to be tough and not disintegrate after fertilization, it can have significant implications for her fertility. The inability of the zona pellucida to disintegrate hinders the blastocyst's ability to implant into the uterine lining. This may prevent successful establishment of pregnancy and result in recurrent implantation failure or early pregnancy loss.

The tough zona pellucida can act as a physical barrier, preventing the embryo from making direct contact with the uterine lining and impairing the necessary interactions between the embryo and the endometrium. Without successful implantation, the pregnancy cannot progress.

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Muscle cells use more energy than most other cells in the body. Because of this, muscle cells must have more: A Mitochondria B Vacuoles C Vesicles D Ribosomes

Answers

Answer:

A. Mitochondria

Explanation:

A cell can be defined as the fundamental or basic functional, structural and smallest unit of life for all living organisms. Some living organisms are unicellular while others are multicellular in nature.

A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells.

Muscle cells use more energy than most other cells in the body. Because of this, muscle cells must have more mitochondria.

Basically, mitochondria is one of the cell organelles found in all living organisms and it is known as the powerhouse. Therefore, mitochondria provides all the energy required in the cell by transforming energy forms through series of chemical reactions; breaking down of glucose into Adenosine Triphosphate (ATP) used for providing energy for cellular activities in the body of living organisms.

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