How can life continue in the earth’s biosphere without an inflow of additional carbon atoms?

Answer:

False. Genetic diversity tends to increase as the number of different species in an area increases. This is because diverse habitats support a wider range of ecological niches, which in turn support a greater variety of species and genetic diversity within those species. However, it's worth noting that other factors such as habitat fragmentation, invasive species, and climate change can also affect genetic diversity in complex ways.

Explanation:

Answer:

C

Explanation:

took the test

Answer:

A- Elliptical

B-Irregular

C- Spiral

Answer:

D

Explanation:

Because science can be use to investigate problems in fact which is use as experiment. Branch of science can use as

Biology , Chemistry , Physics and Math

The study of organizing and collecting data to understand the world around is Science.

Option (D) is correct.

Science involves the systematic collection and organization of data to gain insights into the natural world. It encompasses various disciplines, including biology (A) and chemistry (C). Through experiments (B) and observations, scientists analyze data to formulate hypotheses, test theories, and advance our understanding of the universe and its processes.

Science drives innovation, informs decisions, and addresses fundamental questions about the world, making it a vital tool for exploring and comprehending the complexities of our surroundings and beyond.

It promotes evidence-based knowledge and contributes to the progression of human knowledge and technology, enabling us to make informed discoveries and improvements in various aspects of life.

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Option 3 is correct, i.e. Rolling friction is smaller than the sliding friction.

●       The opposing forces that are experienced by objects when moving against each other are termed as friction.

●       Static friction, sliding friction and rolling friction are the resistances experienced by stationary, moving and rolling objects respectively.

●       Since static friction keeps an object stationary, it is the maximum.

●       Rolling friction, on the other hand, provides the least resistance as the contact time and contact area between the two surfaces is the least.

Therefore, static friction is the strongest form of frictional force followed by sliding friction which is weaker than static but stronger than rolling friction.

Answer:

The correct answer is "40.6%". A further explanation is provided below.

Explanation:

The given values are:

The proportion of people with resistance is,

aa = 8%

or,

    = 0.08 (q²)

q² = 0.08

q   = √0.08

    = 0.28284

Now,

⇒ \(p+q=1\)

⇒       \(p=1-q\)

             \(=1-0.28284\)

             \(=0.717157\)

hence,

For the HIV resistant allele, the proportion of people will be:

= \(Aa\)

= \(2pq\)

On substituting the values, we get

= \(2\times 0.71715\times 0.28284\)

= \(0.4056\)

= \(40.6\) (%)

The proportion of the population with the carrier of HIV-resistant allele is 40.56%.

Hardy Weinberg equilibrium is the relationship between the variation from one generation to the next. The equation for the relationship can be given as:

\(p^2+2pq+q^2=1\)

Where the proportion of dominant alleles is p².

The proportion of recessive alleles is q².

The proportion with the caries are 2pq.

The given recessive allele proportion in the population is 0.08. The proportion of dominant alleles can be given as:

\(q^2=0.08\\q=0.2828\)

The dominant alleles can be given as:

\(p+q=1\\p+0.28284=1\\p=0.717157\)

The carriers in the population can be given as:

\(\text{Carriers}=2pq\\\text{Carriers}=2\;\times\;0.717157\;\times\;0.2828\\\text{Carriers}=0.4056\\\text{Carriers}=40.56\%\)

Thus, the carriers for the HIV gene in the population are 40.56%.

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Answer:

The cell-intrinsic properties arise from a cleavage of a cell with asymmetrically expressed maternal cytoplasmic determinants (proteins, small regulatory RNAs and mRNA). Thus, the fate of the cell depends on factors secreted into its cytoplasm during cleavage.

Omnivores are organisms that feed on several prey items. In the exposed example, C is the omnivore and feeds on A, D, and B.

Omnivore organisms are those who can feed on any kind of items, going from vegetable species to different animal species. In this last case, depending on the species, the diet might include invertebrate and vertebrates.

In the exposed example we can see that

C is the omnivore organisms in this web since it feeds on autotroph (A), herbivores (D) and carnivores (B).

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The idea behind an available niche after extinction leading to speciation is: the fact that those species can grow distinct and then in other to survive develop new traits.

Speciation can be defined as a process that births new species with different traits while they evolve.

Speciation occurs when extinction is eminent and most time in other to preserve that race they evolve into something new with new traits.

In conclusion, The idea behind an available niche after extinction leading to speciation is: the fact that those species can grow distinct and then in other to survive develop new traits.

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B) smaller polypeptides do not form stable folded structures.

Based on the taxonomic information, the most closely related species from the gray wolf is species 2 because both have similarities up to the Family level of classification which is Canidae for both.

Taxonomy is the classification of an organism into a series of hierarchical order. Taxonomy also helps in establishing the relation and connection between two organisms or understanding about any unknown organism. There are 7 levels of classification: Kingdom, Phylum/Division, Class, Order, Family, Genus, Species.

Family level of classification lies between the Order and Genus. For example, the familied that come under order Carnivora are: Canidae, Felidae, Ursidae, etc.

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The correct option is B) Latitude. Latitude impacts the amount of solar radiation given, the extreme cases are the equator, where solar radiation is constant throughout the year. In contrast, the poles have few or none radiation in winter while more than 12 light hours in summer.

Pasteur's swan-necked flask experiments resolved the criticism that without "vital force" microorganisms cannot grow, by leaving the flasks open to the air so that "vital force" was present.

Thus, the correct option is D.

Louis Pаsteur used а speciаl flаsk whose neck wаs shаped like аn S or the neck of а swаn, hence the nаme “Swаn Neck Flаsk.” He put а nutrient rich broth in the flаsk, which he cаlled the “infusion.” He then boiled the infusion killing аny microorgаnisms which were аlreаdy present. Then he аllowed the infusion to sit.

Becаuse of the shаpe of the flаsk, the infusion wаs exposed to аir. However, dust pаrticles аnd other things in the аir never mаde it into the infusion. Becаuse they were trаpped in the curve of the Swаn Neck Flаsk. No mаtter how long he аllowed the flаsk to sit, microorgаnisms never аppeаred in the infusion.

However, if he tipped the flаsk аnd аllowed the things trаpped in the neck to get into the infusion, then microorgrаnisms begаn to аppeаr in the infusion аnd multiply rаpidly. This demonstrаtes thаt microorgаnisms do not аppeаr аs а result of Spontаneous Generаtion. Insteаd, they аre introduced into food through dust pаrticles аnd other things thаt hаppen to lаnd on the food.

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Answer: The answer is C. Advances in technology influence new scientific research.

Explanation:

Answer:

it can't be used to make a protein in that cell.

Explanation:

If a gene is not transcribed in a cell, it can't be used to make a protein in that cell. If a gene does get transcribed, it is likely going to be used to make a protein (expressed). In general, the more a gene is transcribed, the more protein that will be made.

The transcription is affected as when the gene has not been transcribed the protein will not make. When a gene is transcribed, protein synthesis can happen.

Gene expression begins with transcription. To create an RNA molecule, the DNA sequence of a gene must be copied. RNA polymerases, which join nucleotides to create an RNA strand, carry out transcription (using a DNA strand as a template).

A gene cannot be used to produce a protein in a cell if it is not transcribed there. If a gene gets transcribed, it will probably be used to produce a protein (expressed). In general, more protein will be produced the more a gene is transcribed.

Therefore, the transcription is impacted since the protein cannot be produced if the gene is not transcribed. Protein synthesis can take place when a gene is transcribed.

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Competition occurs among members of the same species and  between members of different species.

More broadly, competition can be described as the direct or indirect contact of organisms that results in a change in fitness when the organisms share a resource. Competition is most commonly thought of as the interaction of individuals that compete for a common resource that is in limited supply. The weaker competitors frequently suffer as a result of the outcome. The three main types of competition are as follows. Real competition is defined as two of them: interference competition and exploitation competition. Evident competition, a third form, is not. While exploitation competition and seeming competition take place between people in an indirect manner, interference competition happens between people directly.

Interactions are seen as interference competition when one person directly changes another person's resource-attaining behavior. For instance, a dominant male directly affects the mating behavior of other males when he prevents other males from approaching a partner by physical aggressiveness or aggressive displays.

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Answer:

its the deterioration of the environment through depletion of resources such as air, water and soil or in a more simple form: the destruction of ecosystems

Explanation:

Hydrolytic enzymes, also known as hydrolases, catalyze the breakdown of larger molecules by adding water molecules to them, resulting in the formation of smaller molecules.

They do this by cleaving bonds between atoms, often through the addition of a water molecule. Examples of hydrolytic enzymes include proteases, which break down proteins, and lipases, which break down fats. Dehydration synthesis enzymes, also known as condensation enzymes, catalyze the formation of larger molecules by removing water molecules from smaller molecules.

They do this by creating new bonds between atoms, often through the removal of a water molecule. Examples of dehydration synthesis enzymes include ligases, which join two molecules together, and synthases, which form new bonds between atoms.

In summary, hydrolytic enzymes break down larger molecules into smaller ones by adding water, while dehydration synthesis enzymes build larger molecules from smaller ones by removing water.

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From the analysis of the 2 equations: X = 3/4 and Y = 5/4

The equations can be solved using subtracting one of the two equations from the other.

Let's label the two equations:

Y=3x-1 .................... equation 1

Y=2-X..................... equation 2

Equation 2 can be rearranged such that:

Y = -X+2

Subtracting equation 2 from 1:

Y=3x-1

Y = -X+2

0 = 4X -3

4X = 3

  X = 3/4

Substitute X = 3/4 into any of equations 1 or 2 to determine Y.

Y = 3(3/4) - 1

   = 9/4 - 1

    = 5/4

Hence X = 3/4 and Y = 5/4

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The process of Glycolysis is a catabolic process  in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .

Mechanism Of Glycolysis

The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol

Preparatory phase refers to the  generation of two molecules of  glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .

Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate  .

Both the phases of glycolysis takes place in the cytoplasm and there are  three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .

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Answer:

the Coriolis effect

Explanation:

the earths rotation causes wind also known as the coriolis effect

Answer:

unequal heating of Earth's surface by the Sun

Explanation:

Explanation:

The evolution of the rock pocket mouse is a great example of how natural selection can lead to the adaptation of a species to its environment. The mutations that occurred on the Mc1r gene allowed some individuals of the population to have a different fur coloration than the rest of the population. This new fur coloration provided a selective advantage to the mice living in the darker volcanic rock environment.

The darker fur of the rock pocket mouse provided camouflage against predators, allowing them to blend in with the dark rocks and avoid being seen. This made them less likely to be preyed upon by predators such as owls and snakes, which hunt by sight. As a result, the mice with the darker fur were more likely to survive and pass on their genes to the next generation.

Over time, as the population of the rock pocket mouse continued to be exposed to predation, the proportion of individuals with the darker fur coloration increased. This is because the individuals with the darker fur coloration were more likely to survive and reproduce, passing on their advantageous traits to their offspring. Eventually, the population became dominated by individuals with the darker fur coloration, and the rock pocket mouse became a distinct species.

This process, in which mutations that provide a selective advantage become more common in a population over time, is known as natural selection. In the case of the rock pocket mouse, the mutations that occurred on the Mc1r gene allowed the mice to adapt to their environment and avoid predation, ultimately leading to the evolution of a new species.

Answer:

Solid rock break apart

Explanation:

Answer:

You did not enter the answer options, but a frameshift mutation causes the exclusion or addition of one of the bases of the codon, which makes the reading of the codons assume an incoherent sequence and impair the reading of the same.

Explanation:

A frameshift mutation occurs when there is the exclusion or addition of one of the bases that form a codon. As you know, codons are formed by 3 bases that are released for the formation of proteins. If there is inclusion when excluding one of these bases, the reading is incorrect, meaningless and inefficient.

As an example, we can use the sequence of bases that you exposed in the question above, ATCTAGGTACTA. The codons in this sequence would be formed as follows: ATC TAG GTA CTA. Now imagine that the first base of the first codon was excluded. The codons would be formed in an incoherent fashion (TCT AGG TAC TA) and would not allow a correct reading, the same would happen if a base was added to one of the codons.

Answer: ATTAGGTACTA.

Answer:

70 km/hr

Explanation:

Distance between town A and B = 210 km

Della's speed = 60 km/hr

Time taken by Della = distance / speed

Time taken by Della = 210 km / 60km/ hr

Time taken by Della = 3.5 hours

Since Nick left half an hour later Than Della ;

Then, Nick's travel time = 3.5 - 0.5 = 3 hours

Nick's average speed = Distance /time

Nick's average speed = 210 / 3 = 70km/hr

The hormone calcitonin, which is produced by the thyroid gland, helps to regulate the concentration of calcium ions in the blood by decreasing it.

Calcitonin acts on the bones by decreasing the activity of osteoclasts, cells that break down bone tissue and release calcium into the bloodstream.

As a result, less calcium is released into the bloodstream from the bones, leading to a decrease in blood calcium concentration.

This is important for maintaining homeostasis and preventing hypercalcemia, which can lead to various health problems such as kidney stones, bone pain, and muscle weakness.

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Answer:

Plasma

Explanation:

The liquid portion of blood is called plasma, and it makes up more than half of our blood, precisely 55 percent.

Plasma is a light yellow, clear-ish liquid comprised of water, protein, salts, ions, nutrients and wastes.

Plasma helps deliver nutrients, hormones, enzymes, and proteins to other parts of the body. Additionally, cells deposit waste into the plasma. Plasma also carries the other solid parts of blood throughout the body.

Answer:

The Plasma is the fluid component of blood

Explanation:

I got it right on my test

Option D In nations where hunger is a problem, increased availability to meat and dairy products is crucial since they contain more nutrients Because vitamins and minerals in malnutrition.

Milk and dairy products might be crucial for a varied diet. When ingested in the right quantities, they are nutrient dense and offer high quality protein and micronutrients in an easily absorbed form that can help both healthy individuals and those who are nutritionally fragile.

Calcium, protein, vitamin D, potassium, and phosphorus are among the minerals abundant in dairy products that are crucial for maintaining healthy bones . Appropriate calcium consumption affects the retention of skeletal calcium during growth and, consequently, the peak bone mass attained in early adulthood.

Inadequate or excessive nutritional intake, an imbalanced intake of essential nutrients, or inefficient nutrient utilisation are characteristics of malnutrition. Undernutrition as well as overweight and obesity are two consequences of malnutrition.

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