bacteria and viruses can only survive on a dry surface for about two hours true or false

There are "256" different genetic combinations that a gamete may make by independent assortment.

What is meant by independent assortment?

Homologous chromosomes are allocated at random to daughter cells during meiosis, while distinct chromosomes segregate apart from one another. The term for this is independent assortment. It produces gametes with distinctive chromosomal arrangements.

Calculation:

Here, the number of chromosomal pairs in the ant = 4.

Every pair of chromosomes is going to be divided into a single gamete during the gametogenesis process.

Therefore, there are 4 unpaired chromosomes in all.

Now that the gametes lack paired chromosomes, they are haploid.

Now, a gamete would only contain one of the single chromosome pairs.

Let's assume that the chromosomal gene in the cell is heterozygous.

There are thus going to be options = 2.

Therefore, their likelihood will provide possibilities =2 x 2= 4.

Then there would be 4⁴ chromosomes = 256 chromosomes.

Therefore it is concluded that the genetic possibilities from the independent assortment of a gamete are "256".

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According to the research, the correct option is A, population genetics is the study of how allele frequencies in a population change over time.

It studies the origin, amount and distribution of genetic variability present in populations.

It explains the variation between individuals, as well as the dynamics of alleles and genotypes within and between populations.

Therefore, we can conclude that according to the research, the correct option is A, population genetics is the study of how allele frequencies in a population change over time.

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The music industry between 1980 and 1987 experienced an increase in quality and competition.

This was set up by the government to cater for the consumer welfare by ensuring quality was made priority over quantity.

There was an increase in quality and competition due to intellectual property laws which led to the music industry experiencing a positive turnaround.

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Answer:

radio wave

Explanation:

1km = 1000 metres, or 10³, so it must be a radio wave

Warming temperatures are increasing the occurrence of wildfires. After a fire, primary succession occurs as the habitat slowly redevelops with vegetation

When a new piece of land is produced or is first exposed, primary succession occurs. This may occur, for instance, when lava solidifies and forms new rocks or when a glacier recedes and reveals bare rocks. In the primary succession, organisms have to start over.

The process through which plants and animals first populate a sterile area is known as primary succession. On a recently formed volcanic island, for instance, seeds carried by the wind may lodge in crevices when the rock cools.

The form of ecological succession known as primary succession occurs when organisms inhabit a region that is essentially lifeless.

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Answer:

c

Explanation:

Answer:

Halve the number of chromosomes in a cell.

Create gametes.

Explanation:

Meiosis is a cell division process where the parent cell divides to give four daughter cells, each containing half the number of chromosomes. It is also called as reductional division. It is important for reproduction as meiosis is the sole way for germ cells to form sperm or eggs.

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The main purposes of Meiosis include reducing the number of chromosomes in a cell by half, generate genetic diversity, and creation of gametes. Thus, the correct options are B, C, and D.

Meiosis is a special type of cell division which is also known as reductional division. It occurs in the germ cells in the sexually-reproducing organisms that involves the formation of the gametes, such as sperm or egg cells. Meiosis involves two rounds of division which are Meiosis I and Meiosis II, which ultimately results into formation of four daughter cells with only one copy of each chromosome.

Meiosis is an important type of cell division for three main reasons which are sexual reproduction of diploid organisms in which it produces gametes, it enables genetic diversity in sexually reproducing organisms, and it reduces the chromosome number in the daughter cells by half.

Therefore, the correct options are B, C, and D.

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Answer:

importance of biogeochemical cycles through the ecosystem the cycle move the essitinal elements for life to sustain they are vitil as the recycle Store them to regulate the vital elements through the physical facets

Authors whose work is regarded in their fields of the study write credible sources. Authors who are trustworthy and responsible will cite their sources so that you can verify the truthfulness of and support what they have written.

In the combustion process, oxygen and biomass are mixed in a hot atmosphere to produce carbon dioxide, water vapor, and heat. When sulfur dioxide and nitrogen oxides are released into the atmosphere and are carried by the wind, acid rain results. Fossil fuels differ from biomass in that they discharge carbon dioxide into the atmosphere. The approximate chemical formula for coal In terms of producing the most energy per unit of carbon dioxide released, natural gas is the best fossil fuel. Because a new crop can be planted after each harvest, biomass is a renewable resource and a low-carbon fuel. On carbon support, tungsten carbide and nickel form the catalyst. It is more plentiful, uninterrupted use is possible, and it is cleaner than fossil fuel.

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Huntington’s disease is an autosomal dominant disease, thereby the probability that a child will develop the disease is 100% if one parent has one mutated allele (Option D).

An autosomal dominant disease is any inherited disorder that is expressed in the phenotype in heterozygous individuals.

The mutated allele that causes autosomal dominant diseases is dominant and masks the expression of the recessive allele.

In conclusion, the probability that a child will develop the disease is 100% if one parent has one mutated allele (Option D).

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Answer:

(b) It is a complete chromosome

Special senses are senses that have a specialized organ associated with them. we could have more senses, with some specialized organs, like the snake, which has chemical sensors in the tongue.

It's your main sensor. The odor molecules are captured by the tongue, sent to the inside of the mouth, where they are captured by two sensors located at the right and left ends of the palate, and the information is passed on to the brain. Through this information that is sent to the brain, the animal can distinguish whether its prey is moving to the right or to the left. Using this method, a snake can more effectively find and capture its prey.

With this information, we can conclude that we could have more senses, with some specialized organs, like the snake, which has chemical sensors in the tongue.

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Answer:

cervix

Explanation:

The water a good solvent because  It is polar, and the positive and negative areas attract other polar molecules and pull them apart, which means the letter B.

Water is known as the universal solvent because it dissolves almost all substances that exist in nature. There are several types of solutions made with this solvent. Substances that dissolve in water are called water-soluble.

The water is a good solvent because of its polarity and ability to form hydrogen bonds, water makes an excellent solvent, meaning that it can dissolve many different kinds of molecules.

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Assuming that the allele for black is dominant over white, phenotype of the offspring will be black.

The phenotype of the offspring of the cross between a black mouse and a white mouse is given below:

Assuming that the parents are pure breeds and that the allele for black is dominant over white, the allele for white is w and black is W.

The offspring of the cross is as follows:

The phenotype of the offspring will be black.

In conclusion, the phenotype of the offspring depends in the genotype of the parents.

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Answer:

hi I am new pls follow me

Answer:

Explanation:

In the scientific method first of all is you need to identify the problem, the problem to your question is why does the dog circle its bed before lying down. Second is the observation to gather some data, you need to observe the dog if what could be the possibility the the dog may do that action. The third is the pre hypothesis, you need to came up with an idea why does the dog do such and action for example the needs to find a correct spot to make itself comfortable and lastly the hypothesis, this should answer to your question or your problem. So my hypothesis is that dogs are one of the animals that are those difficult to find a place to sleep and some of that kind of animals are cat, before they lay on their bed, they have to circle to find a spot that could fit its body to be more comfortable when the dog sleep.....

Proteases, Lipases and Amylases are the different types of enzyme in the human body.

There are three main types of digestive enzymes in the human body such as Proteases, Lipases and Amylases.

Proteases is a type of enzyme that break down protein into small peptides and amino acids.

Lipases is an enzyme that break down fat into fatty acids plus a glycerol molecule.

Amylases is an enzyme that break down carbohydrates like starch into simple sugars.

So we can conclude that Proteases, Lipases and Amylases are the different types of enzyme in the human body.

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Answer:12

Explanation:

The size of the barred owl population in that ecosystem would decrease.

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Answer:EPA

Under SDWA, EPA sets standards for drinking water quality and oversees the states, localities, and water suppliers who implement those standards.

Explanation:

The best topsoil will be found in the tropical region.

They are regions of the world located within the two tropics - tropic of Capricorn and tropic of Cancer.

The region is characterized by adequate precipitation and relatively warm annual temperature. Thus, there is a high diversity of plants and animal species.

Tropical forests are known as the biodiversity hotspots of the world. This means that the soil is rich enough to support a diverse species of plants as compared to other regions of the world.

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You would find the BEST topsoil in the Temperate region

The soil of these forests is very rich in nutrients, mainly due to the natural process of leaf decomposition, which enriches the soil with nutrients. The accumulation of organic matter occurs mainly in the first horizons of the soil, which therefore have a darker color.

With this information, we can conclude that The soil of temperate region It is very rich in nutrients, mainly due to the natural process of decomposition of the leaves.

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Answer:

The first thing that determines the thickness of a tree trunk is the species. Some kinds of trees just naturally have a different trunk thickness than others.

The second thing might be the environment. A tree that is experiencing all factors - sun, water, soil, minerals - at an optimum level is going to grow faster, taller, stronger, and thicker than the same species in a less-optimum environment.

A third factor is time. As time passes, the tree trunk increases in diameter - thus a tree that is 50 years old will have a much thicker trunk than one that is 5 year old.

And, in case you’re wondering why or how tree trunks increase in thickness at all, there is a thin layer of cells all around the trunk of a tree, like a sheet that lives under the bark. This layer is called the cambium layer which makes new living tissue for the tree (called phloem and xylem) every year. As the year’s growth comes to an end, the living tissue dies and is pushed outward to appear as bark by the new year’s sheet of cambium cells, which is bigger than the previous year’s - hence, the increase in diameter of the tree every year.

Answer:

Lack of distinctive advantage in product performance and price.

Over estimation of the target market which may result in low demand.

Inability to utilize company strength to capture profitable opportunities.

Unpredictable change in consumers preference for goods and services.

Negative Effects of Production on Environment and Society. It leads to the pollution of the environment (environmental pollution) It leads to erosion as a result of big holes created by construction industries.

Explanation:

hope this helps you, sorry if it is not what you are looking for.

The correct options to fill in the gaps are:

NAD+ serves as an electron acceptor in glycolysis. It accepts two electrons to become reduced to NADH + H+.

NAD+ is a limiting factor in glycolysis. In the absence of ADP, the conversion of NADH to NAD+ via the electron transport chain is prevented from happening.

In eukaryotes, the hydrogen atoms of the molecules mentioned in are transferred to certain organic molecules in one of two methods: alcohol fermentation as can occur in yeast and lactic acid fermentation as can occur in human cells. In the process mentioned in, the hydrogen atoms are passed to acetaldehyde, which is then converted to a molecule of ethanol. During this a molecule of NADH is oxidized to a molecule of NAD+, which allows glycolysis to continue on.

In conclusion, NAD+ concentration is limiting to glycolysis.

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The contraction will increase. The first option is the correct option.

It is an organ that helps to excrete excess water from the body of some protozoans such as paramecium.

The more excess water present in the organism, the more the contractile vacuole contracts to get rid of the water.

With distilled water, more water will enter the cell and this excess water will need to be gotten rid of. Thus, the contraction rate will increase.

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Answer:

A

Explanation: