a brown or black organic substance consisting of partially or wholly decayed vegetable or animal matter that provides nutrients for plants and increases the ability of soil to retain water is called

Answer:

The correct answer is : B. Carbon dioxide gas is produced as a by-product of alcohol fermentation but not lactic acid fermentation.

Explanation:

In t5he lactic fermentation, the end product is lactic acid whereas in Alcohol fermentation produces by-product carbon dioxide gas which makes it more suitable for baking.

Alcohol fermentation takes place the bread is made as gas is what puts tiny air bubbles within the dough of the bread and makes bread lighter consistency we are used to. Yeast helps in producing carbon dioxide by alcohol fermentation.

Answer:

B. Carbon dioxide gas is produced as a by-product of alcohol fermentation but not lactic acid fermentation.

PLATO//EDMENTUM

Answer: Respiration or Gas exchange in some sources

Explanation:

Answer:

C. Sunlight penetrates to greater depths in land than water

Explanation:

Water is a poor conductor of heat which is why it takes much longer for water to conduct heat than it does land.

I hope this helped :)

From the question;

1) It may have been underestimated sue to visibility bias

2)  The method of direct microscopic count or direct cell count can be employed.

On the particular agar medium employed, not all bacteria contained in the sediments may be viable or able to grow. Some bacteria might no longer be culturable or in a dormant state, which limits their capacity to grow into colonies on the agar plate. This viability bias may lead to the underestimate of the bacterial population by excluding a sizable fraction of it.

A direct microscopic count entails using a microscope to directly observe and count bacterial cells. Without the bias imposed by culture-based approaches, it provides a more thorough count of bacterial cells, including viable and non-viable cells.

Learn more about bacteria:https://brainly.com/question/15490180

#SPJ1

Environmental change has to do with any kind of alteration that occurs in the natural environment.

The term environmental change has to do with any kind of alteration that occurs in the natural environment. These changes may be caused by a lot of factors and they may lead to changes in the kind organism that are found in the habitat.

Thus, the types of environmental changes demonstrated are;

African elephants have been hunted to near extension to obtain ivory - Human exploitation

The eruption of Mount Saint Helens destroyed some populations of conifers - Natural disaster

An infection with fungus reduced the population of the North Africa elm trees - Diseases

Increasing global temperatures have affected the migration patterns of humpback whales - Climate change

Learn more about environmental change:https://brainly.com/question/1568635

#SPJ1

Genetic drift plays a major role in the scenarios where there are random events that significantly alter the population's gene pool.

In the case of a hurricane wiping out the majority of the population of native iguanas on an island, genetic drift would play a major role as the remaining iguanas would have a smaller genetic diversity, and there would be a higher chance of certain alleles being lost or becoming more prominent in the population by chance.

Similarly, in the scenario where a group of settlers from a large population inhabit a new land with different autosomal recessive diseases, genetic drift would also play a major role as the smaller population size would increase the chances of certain alleles becoming more prominent in the population. In contrast, the scenarios where a specific allele is selected for or provides a survival advantage, such as the case of a random mutation in allele G providing a survival advantage for finches in a harsh winter climate, natural selection would play a major role instead of genetic drift.

The scenario where the frequency of black marks on rabbits with white fur increases after males, for multiple generations, preferentially mate with all marked females in a population, could potentially involve both natural selection and genetic drift, but the preference for mating with marked females suggests that sexual selection may be the primary driving force behind the change in allele frequency. Finally, the scenario where allele m, at a locus involved in color-blindness, increases in frequency in a population because the mm genotype provides resistance to neuropathy, would also involve natural selection as the mm genotype provides a survival advantage.

Learn more about genetic diversity here:

brainly.com/question/2982619

#SPJ11

Chives are the seeds that can grow in 2 days.

Chives contain both choline and folic acid. Each of these components is individually associated with improving memory function. Studies show that adults who eat more choline-containing foods perform better on cognitive tests, while adults with low levels of choline appear to be at a higher risk of developing Alzheimer's disease.

Chives and leeks (also known as green onions) are not the same thing.Chives are smaller, thinner, and softer than leeks and do not have an edible bulb on the bottom. Chives have a mild onion flavor compared to green onions.

Consuming too much chives can cause an upset stomach.

On skin: There is not enough reliable information to know if chives are safe when applied to the skin. It can cause side effects such as allergic skin reactions in some people.

For more information on Chives , visit :

https://brainly.com/question/25607888

#SPJ4

Answer:

have a good day

#SugarCafe

The somatic sensory division of the peripheral nervous system (PNS) carries stimuli from both general and special senses to the central nervous system (CNS).

The somatosensory system has two main components: a subsystem for detecting mechanical stimuli (light touch, vibration, pressure, skin tension, etc.) and a subsystem for detecting painful stimuli and temperature. It has been constructed.

Somatosensory (“soma” meaning body) senses contact, pain, pressure, temperature and tension on the skin and internal organs. The somatosensory cortex is the area of ​​the brain that receives and processes sensory information from around the body, such as touch, temperature, and pain.

Learn more about somatic sensory here :

https://brainly.com/question/27237487

#SPJ4

The research is on Honey Bee. See the essay below.

The honeybee undergoes complete metamorphosis, consisting of four stages  -  egg, larva, pupa, and adult. The   queen bee lays eggs in hexagonal cells of the beehive.

After a few days, the eggs hatch into larvae.

The larvae are fed royal jelly by worker bees and undergo multiple molting stages. They then enter the pupa stage, where they form a cocoon within the cell. Inside the cocoon, they undergo significant transformations and develop into adult bees.

Finally, they emerge as fully developed adult honeybees ready to perform their roles in the hive.

Learn more about honeybee at:

https://brainly.com/question/29473213

#SPJ1

Prior to any modifications in an eukaryote, a transcribed RNA can be called hnRNA and pre-mRNA.

A eukaryote is a type of organism that has a nucleus and other membrane-bound organelles.

Therefore, Prior to any modifications in an eukaryote, a transcribed RNA can be called hnRNA and pre-mRNA.

Learn more about eukaryote here : brainly.com/question/30584795

#SPJ1

Answer:

Sugar is a product.

Explanation:

Carbon dioxide, water, and sunlight is what is needed in order to do photosynthesis.

The statement (c) "the transcription of certain genes would decrease" describes a likely effect of a drug that inhibits the cellular response to testosterone.

A drug designed to inhibit the cellular response to testosterone will either suppress the synthesis of testosterone or will compete with the androgen receptor.

However, the most likely effect of such a drug would be that the transcription of certain genes would decrease. Transcription is the process by which the genetic information in DNA is used to create an RNA molecule.

This RNA molecule then creates the protein that the DNA encodes. Testosterone has a direct effect on the transcription of certain genes, particularly those that are involved in the regulation of muscle mass and bone density.

Learn more about testosterone https://brainly.com/question/13061408

#SPJ11

At 12 hours, there are 120 strands of bacteria present.

The population of bacteria can be modeled using the equation P(t) = \(15(2)^(t/4)\), where P(t) represents the number of strands of bacteria at time t in hours.

To find the number of strands of bacteria at 12 hours, we substitute t = 12 into the equation:

P(12) = \(15(2)^(12/4)\)

P(12) = \(15(2)^3\)

P(12) = 15(8)

P(12) = 120

Therefore, at 12 hours, there are 120 strands of bacteria present.

It's important to note that the given population model assumes exponential growth, where the number of strands doubles every 4 hours. Starting with an initial population of 15 strands, the exponent in the equation (t/4) represents the number of doubling periods that have occurred. Each doubling period corresponds to 4 hours of time.

In this case, at 12 hours, three doubling periods have occurred (12/4 = 3). Starting with the initial 15 strands, each doubling period doubles the population, resulting in a final count of 15 * \(2^3\) = 120 strands of bacteria at 12 hours.

To know more about bacteria refer here:

https://brainly.com/question/31495409#

#SPJ11

The events that caused the oceans to form are as the earth cooled, water condensed and the sun released a strong burst of water vapor.

Oceans are formed millions of years ago when the water drained into the great hollows on the Earth's surface, the primeval ocean came into existence.

These two events are responsible for the formation of the oceans which is the primitive habitat of the aquatic ecosystem.

Therefore, the events that caused the oceans to form are as the earth cooled, water condensed and the sun released a strong burst of water vapor.

To learn more about Oceans, refer to the link;

https://brainly.com/question/2792456

The physical security threat that includes heat and humidity is weather. Weather is one of the most unpredictable and dangerous physical security threats. It refers to all atmospheric conditions, such as heat, humidity, wind, and precipitation, that can pose a risk to individuals and property.

In high temperatures, humidity, and poor air quality, employees and individuals are prone to heat exhaustion and dehydration. High humidity levels can also cause electronic equipment to malfunction. Weather-related emergencies, such as flooding, hurricanes, and tornadoes, pose a significant threat to buildings, assets, and individuals.

Thus, it is essential to have effective security measures in place to deal with the consequences of harsh weather conditions. Security systems such as CCTV cameras, alarms, and surveillance systems must be able to withstand harsh environmental conditions and continue to operate effectively.

To know more about security visit:

https://brainly.com/question/32133916

#SPJ11

Answer: Deltoid-  shoulder abduction

Pectoralis Major - Adduction and internal rotation of the arm on the shoulder joint

Rectus Abdominis - Flexes the vertebral column in addition to compressing the abdominal wall.

Ilioposas - Flexion and external rotation of the thigh at the hip joint

quadriceps - cross both the hip and knee joints

Tibialis Anterior dorsiflexor of the foot.

Latissimus Dorsi - Internal rotation, adduction and extension of the arm.

Rhomboid - scapular retraction around the scapulothoracic joint

Erector Spinae - straighten the back and provide for side to side rotation

Gluteus Maximus - Extension and external rotation of the thigh at the hip joint

Harmstrings - Flex knee extend the thight at your hip and rotate your lower leg from side to side when your knee is bent

By using electrophoresis,  duplex nucleic acid molecules can be divided into different sizes. It is impossible to extend a DNA strand whose 3' end ends in a dideoxynucleotide. A duplex molecule can be created when two sequences of single-stranded nucleic acids come together.

On several kinds of filter paper, single-stranded nucleic acid molecules can become immobilized. The Sanger Chain technique of sequencing is accomplished by adding new nucleotides only to the 3' end of a developing DNA strand.

Frederick Sanger created a technique for DNA sequencing in 1977 known as Sanger sequencing, often referred to as chain-termination sequencing. This technique relies on DNA polymerase amplifying the DNA fragment that will be sequenced and adding modified nucleotides, specifically dideoxynucleotides (ddNTPs).

For more information on Sanger Chain method kindly visit to

https://brainly.com/question/29213539

#SPJ4

The immune system of the female body is prevented from rejecting the embryo/fetus, despite the fact that it is a new tissue growing in her body that is genetically different from her own tissues.

This is due to a number of biological mechanisms that work together to establish maternal-fetal tolerance during pregnancy. The immune tolerance mechanism is critical for the survival of the fetus in the uterus since the fetus carries a combination of maternal and paternal antigens that would usually be identified as foreign and trigger an immune response. It also prevents the mother's immune system from attacking the developing embryo by recognizing it as a threat and eliminating it.

There are several factors that contribute to maternal-fetal tolerance:

1. Trophoblast cells: These cells, which form the placenta, prevent immune cells from entering the uterus and attacking the embryo by releasing cytokines and chemokines. These factors modify the local immune response and encourage the development of a regulatory T cell phenotype.

2. HLA-G: This molecule is only expressed by the trophoblast cells of the placenta. HLA-G functions as a mediator of immune tolerance by inhibiting the proliferation of maternal T cells, NK cells, and dendritic cells.

3. Hormones: Hormones such as progesterone and estrogen aid in the establishment of immune tolerance by regulating the function of immune cells in the maternal-fetal interface. The immune cells in the uterus are affected by these hormones, which alter their expression of cytokines and chemokines.

Learn more about immune system:

https://brainly.com/question/15595309

#SPJ11

Answer:

Plant cells are enclosed by a rigid cell wall. When the plant cell is placed in a hypotonic solution, it takes up water by osmosis and starts to swell, but the cell wall prevents it from bursting. The plant cell is said to have become 'turgid', i.e. swollen and hard.

Explanation:

Answer:

Effects of osmosis in plant cells answer below

Explanation:

Plant cells are enclosed by a rigid cell wall. When the plant cell is placed in a hypotonic solution, it takes up water by osmosis and starts to swell, but the cell wall prevents it from bursting.

Answer:

When the moon is full, it is on the opposite side of the Earth from the sun.

Explanation:

Hope it helps!!!!!

Answer:

We go to hell or heaven depending

If u go to hell u will have the most un mercy punishment and if u go to heaven u get to live ur best life

Meiosis is the process of cell division that produces gametes (sperm or egg cells), which are haploid cells containing only one set of chromosomes.

During meiosis, homologous chromosomes (one inherited from each parent) separate, and random combinations of alleles (different versions of a gene) on each chromosome can occur, resulting in the formation of genetically diverse gametes.

Fertilization occurs when a sperm cell fuses with an egg cell, resulting in the formation of a zygote. The zygote is a diploid cell containing two sets of chromosomes, one set from each parent. The zygote will develop into an offspring with a unique genotype, which is determined by the combination of alleles inherited from the parents.

In the case of sickle cell trait, it is caused by a mutation in the HBB gene that codes for hemoglobin, a protein that carries oxygen in the blood. The mutation results in the production of abnormal hemoglobin molecules, which can cause the red blood cells to assume a sickle shape and cause health problems.

Sickle cell trait is inherited in an autosomal recessive manner, which means that an individual must inherit two copies of the mutated allele (one from each parent) to express the trait. If an individual inherits only one copy of the mutated allele and one normal allele, they are said to be heterozygous for the trait, and they will not show any symptoms of the disease but will be carriers of the trait.

Now, let's consider a scenario where both parents are carriers of the sickle cell trait (heterozygous). When they produce gametes through meiosis, each gamete will receive one copy of the HBB gene, which can either be the mutated allele or the normal allele. Thus, there are four possible combinations of alleles that can be present in the gametes: normal/normal, normal/mutated, mutated/normal, and mutated/mutated.

When fertilization occurs, any combination of the four possible alleles can be inherited by the offspring. If the offspring inherits two copies of the normal allele (one from each parent), they will not express the sickle cell trait and will be phenotypically normal. If the offspring inherits two copies of the mutated allele, they will express the sickle cell trait and will be phenotypically affected by the disease.

However, if the offspring inherits one copy of the normal allele and one copy of the mutated allele (hete---rozygous), they will be carriers of the trait like their parents, but they will not show any symptoms of the disease. This is because the normal allele is dominant over the mutated allele, so the presence of one normal allele is enough to

Learn more about meiosis:https://brainly.com/question/29383386

#SPJ1

Platyhelminthes present a body that can be divided into two, drawing a line from the head to the tail right in the middle of it, as the following image shows:

The orbital speed of the planet is approximately \(\(4.20 \times 10^3 \, \text{m/s}\).\)

The orbital speed of a planet or satellite refers to the speed at which it revolves around a central body in a circular orbit. To calculate the orbital speed, we can use the formula:

\(\[ v = \sqrt{\frac{G \cdot M}{r}} \]\)

where:

- \(\( v \)\) represents the orbital speed,

- \(G\) is the gravitational constant (approximately \(\(6.673 \times 10^{-11} \, \text{N} \cdot \text{m}^2/\text{kg}^2\)),\)

- \(M\) is the mass of the central body (such as a star) around which the planet orbits,

- \(r\) is the distance between the planet and the central body.

By plugging in the appropriate values into this formula, we can calculate the orbital speed. The square root ensures that the speed is positive and represents the magnitude of the velocity.

To calculate the orbital speed of the planet, we can use the formula for the orbital speed of a satellite in a circular orbit:

\(\[ v = \sqrt{\frac{G \cdot M}{r}} \]\)

Where:

\(\( v \)\) is the orbital speed of the planet,

\(\( G = 6.673 \times 10^{-11} \, \text{N} \cdot \text{m}^2/\text{kg}^2 \)\) is the gravitational constant,

\(\( M = 3.5 \times 10^{31} \, \text{kg} \)\) is the mass of the star,

and \(\( r = 1.2 \times 10^{11} \, \text{m} \)\) is the distance between the planet and the star.

Plugging in these values into the formula, we get:

\(\[ v = \sqrt{\frac{(6.673 \times 10^{-11} \, \text{N} \cdot \text{m}^2/\text{kg}^2) \cdot (3.5 \times 10^{31} \, \text{kg})}{(1.2 \times 10^{11} \, \text{m})}} \]\)

Evaluating the expression, we find:

\(\[ v \approx 4.20 \times 10^3 \, \text{m/s} \]\)

Therefore, the orbital speed of the planet is approximately \(\(4.20 \times 10^3 \, \text{m/s}\).\)

For more such questions on orbital speed:

https://brainly.com/question/7260440

#SPJ8

Answer:Por otro lado, puedes raspar con un cuchillo una rama y observar si se encuentra verde. Si es así, significará que el ejemplar aún está vivo, pero si está marrón será que ha muerto. También es recomendable que muevas las ramas y compruebes su flexibilidad.

Explanation:

Answer:

You can scrape a branch with a knife and see if it is green. If so, it means that the tree is still alive, but if it is brown, it means the tree has died

Explanation:

I don't know if that helps. Hope it does though

The answer is c. When we have an unknown chemical reaction involving carbohydrates, one way to test whether the reaction is dehydration synthesis or hydrolysis reaction is to test for the presence of water molecules in the reaction.

When we have an unknown chemical reaction involving carbohydrates, one way to test whether the reaction is dehydration synthesis or hydrolysis reaction is to test for the presence of water molecules in the reaction. The answer is c. Hydrolysis is the reverse of dehydration synthesis, which breaks down a larger molecule into smaller subunits with the addition of a water molecule. The splitting of a polymer with water into two monomers is called hydrolysis. Hydrolysis is a chemical reaction in which a compound is broken down by reacting with water. This occurs when a water molecule breaks up into H+ cations and OH- anions, which then form bonds with the reactants. This reaction occurs in the opposite direction to dehydration synthesis, which involves the removal of water molecules from reactants to form a larger molecule. When a water molecule is absorbed by the reactants, it is a hydrolysis reaction. Therefore, when testing the reaction, if we observe the presence of water molecules in the reaction, then we can confirm that the reaction is hydrolysis.

To know more about carbohydrates visit: https://brainly.com/question/1558514

#SPJ11

The function, functional flow, and references unit are defined in the Scope Definition stage of the Life Cycle Assessment (LCA).

This stage involves defining the system boundaries, functional unit, and reference flow for the product or process being analyzed. The functional unit is a quantified description of the function that the product or process provides, while the reference flow is the amount of the product or process that corresponds to the functional unit. The functional flow describes the inputs and outputs of the system, which are necessary to achieve the functional unit.

Accurately defining these parameters is crucial for conducting a meaningful LCA, as it ensures that the results are comparable across different products or processes. Additionally, the Scope Definition stage is where any assumptions or limitations of the analysis are documented. This information is necessary for interpreting and communicating the results of the LCA.

Overall, the Scope Definition stage is the foundation of the LCA process, as it sets the boundaries and objectives for the subsequent Life Cycle Inventory Analysis and Life Cycle Impact Assessment stages.

To know more about LCA : https://brainly.com/question/29431086

#SPJ11

After the release of a mature oocyte from the ovary, the follicle undergoes changes and functions in different ways. The follicle turns into the corpus luteum, becomes an endocrine structure that functions during the luteal phase of the ovarian cycle, and produces estrogen.

Answer choices a, c, and f are correct. After ovulation, the follicle transforms into the corpus luteum, a temporary endocrine structure. The corpus luteum secretes hormones, particularly progesterone, during the luteal phase of the ovarian cycle. It plays a vital role in preparing the uterus for potential implantation and maintaining pregnancy if fertilization occurs. The corpus luteum also produces estrogen, along with progesterone. These hormones help regulate the menstrual cycle and prepare the endometrium for potential implantation of a fertilized egg.

Answer choices b, d, and e are incorrect. The follicle does not signal the uterus to shed the functional layer (b), transport the oocyte to the uterus (d), or overproduce a new oocyte (e). Instead, its role shifts to the corpus luteum, which is responsible for the changes mentioned above.

learn more about fertilized click here;

https://brainly.in/question/12711984

#SPJ11