CAN SOMEONE PLEASE HELP ME WITH THIS SCIENCE QUESTION THANK YOU!!

In sub-Saharan Africa, the pandemic of the human immunodeficiency virus and acquired immunodeficiency syndrome (HIV/AIDS) has had a significant impact. The pandemic has significantly changed many rural households' structures, decreased agricultural productivity, and increased poverty rates.

HIV/AIDS puts further strain on the already precarious link between livelihood and these regions' natural and social settings.

As a result, the goal of this review is to describe how HIV/AIDS has affected rural Sub-Saharan Africa's social infrastructure and environment. Numerous characteristics of rural living contribute to the spread of HIV/AIDS and provide particular difficulties for the dynamics of the population in sub-Saharan Africa.

A company is more likely to be referred to as "socially responsible" if it is careful and sensitive enough to handle environmental challenges. The Johnson & Johnson Company is active in several initiatives to fight the HIV/AIDS pandemic all around the world.

To know more about HIV please click here : https://brainly.com/question/1686219

#SPJ9

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 .

To learn more about glycolysis

https://brainly.com/question/26990754

A. The best explanation for this genetic pattern is that the first cross was between two homozygous parents; BB and bb whereas the second cross was between one heterozygous dominant parent and one homozygous recessive parent.

B. The genotypes for the parents, gametes, and offspring are written below:

First cross:

Second cross:

What is a genotype?

The genotype of an organism is described as its complete set of genetic material. Genotype can also be used to refer to the alleles or variants an individual carries in a particular gene or genetic location.

From the given question:

Black appears dominant to albino

B - black (both BB and Bb genotypes)

b - albino (bb genotype)

This is a situation that shows that 1 phenotype (black color) can be the result of two different genotypes (BB and Bb).  These two crosses would be the equivalent of test crosses to determine genotype.

A black rat crossed with an albino rat produced 12 black offspring.  This is the result (all black offspring) you would expect when breeding two true breeders (Two homozygotes BB     x    bb).

In the second cross, 7 black rats and 5 albino rats were obtained.

This is the result you would expect when breeding one heterozygous dominant parent and one homozygous recessive parent.

Bb  x  bb = Bb, Bb, bb and bb.

Learn more about genotype at: https://brainly.com/question/902712

#SPJ1

Answer:

Scientific Knowledge Is Based on Empirical Evidence; Scientific Knowledge Is Open to Revision in Light of New Evidence; Science Models, Laws, Mechanisms, and Theories Explain Natural Phenomena. Science Is a Human Endeavor; and. Science Addresses Questions About the Natural and Material World.

You can't repeat the past is not a possible theme of The Crucible.

The possible themes of The Crucible are corruption of justice, the power of reputation, and hysteria.

The themes of The Crucible are still relevant in contemporary society as we continue to witness instances of corruption of justice, the power of reputation, and hysteria in various aspects of life, such as politics, media, and social issues.

Learn more about Crucible here:

https://brainly.com/question/29617718

#SPJ1

The function f(x) = 10 + 250x represents the total cost, in dollars, for renting a vacation house for x days.  In this case, f(10) represents the cost of renting the house for 10 days, which can be calculated as 10 + 250(10) = 2510 dollars. Option 4 is correct.

To find out what f(10) represents, we simply substitute 10 for x in the given function:

f(10) = 10 + 250(10)

f(10) = 10 + 2500

f(10) = 2510

This function can be used to calculate the total cost of renting the house for any number of days, making it a useful tool for budgeting and planning purposes. Hence option 4 is correct.

To know more about budgeting, here

brainly.com/question/15683430

#SPJ1

--The complete Question is, What does f(10) represent?

The total cost f(x), in dollars, for renting a vacation house for x days is shown: f(x) = 10 + 250x --

The age, type, and composition of ancient rocks in western Africa are nearly identical to the age, type, and composition of rocks in eastern South America.

The rocks present in western Africa and eastern South America formed at the same place and at the same time.

A scientific observation is a statement about an event, phenomenon, or pattern that can be directly observed or measured. It is based on empirical evidence and is often made using scientific tools and techniques.

The observation about the age, type, and composition of ancient rocks in western Africa and eastern South America being nearly identical is an example of a scientific observation.

A scientific explanation, on the other hand, is a statement about why or how something happens. It is based on a series of observations and is developed through scientific investigation and reasoning.

The explanation that the rocks in western Africa and eastern South America formed at the same place and at the same time is an example of a scientific explanation. This explanation is inferred from the scientific observation that the age, type, and composition of the rocks are nearly identical.

To know more about Scientific Observation and Explanation, visit:

https://brainly.com/question/1615192

#SPJ1

Answer: The Krebs cycle

Explanation:

Answer:

New cells are produced from old cells

Explanation:

According to cell theory, which is a scientific theory first formulated in the mid-nineteenth century, organisms are made up of cells, they are the basic structural/organizational unit of all organisms, and all cells come from pre-existing cells¹. So, out of the options you provided, the statement that is true according to cell theory is: "New cells are produced from old cells."

Source: Conversation with Bing, 4/27/2023

(1) Cell theory - Wikipedia. https://en.wikipedia.org/wiki/Cell_theory.

(2) Cell theory | Definition, History, Importance, Scientists, First .... https://www.britannica.com/science/cell-theory.

(3) Cell Theory - National Geographic Society. https://www.nationalgeographic.org/encyclopedia/cell-theory/.

mitosis refers to the parts of the original nucleus into two nuclei. On the other hand, meiosis refers to each having half chromosomes of the original cell.

in mitosis, there is the maintenance of chromosomes takes place while meiosis leads to a reduction in the no. of chromosomes. There are no variations in mitosis and variants occur in meiosis.

hence at last we can say that the above are the major difference between mitosis and meiosis. All of the explained differences will clearly lead to identifying them in particular. mitosis and meiosis plays a vital role in formation of gametes.

read more about mitosis and meiosis at:

https://brainly.com/question/18602191

Answer:

What is Tissue

Explanation:

A tissue is a group of many similar cells (though sometimes composed of a few related types) that work together to perform a specific function. An organ is an anatomically distinct structure of the body composed of two or more tissue types. Each organ performs one or more specific physiological functions.

Answer:

i love brainly its the best app i have ever used that's why i love this app

0.6 + 0.5(0.2) = 0.7. We once more examine each person's genotype, count the copies of each allele, then divide that number by the total number of gene copies to determine the allele frequencies.

A population becomes fixed for that allele when the allelic frequency hits 1.0, at which point there is only one remaining allele in the population. The other allele is lost forever. Random genetic drift halts at a locus where an allele has either become fixed or lost in a population. By dividing the total number of copies of all the alleles at that specific genetic locus in the population by the number of times the allele of interest.

The complete question is:

Given the genotype frequencies below, what is the frequency of the V1 allele in this population? Give your answer to one decimal place.

f[V1V1] = 0.6

f[V1V2] = 0.2

f[V2V2] = 0.2

Learn more about genotype here:

https://brainly.com/question/29156144

#SPJ4

Answer:

Deforestation is the major problem causing lack of rich species in Costa Rica. This is due to over grazing by cattle.This may lead to flooding which affect fertility of the soil.These animals graze on  the plants without regulations,and cause erosion as their hoofs percolate the soil,  further reducing soil fertility.

In addition to sustain the beef production,  trees were fell to for cattle ranching.This ultimately contributed to loss of the forest species.

Banana plantation is an  additional factor.Forest were cleared to cultivate banana, which affects forest population.

Explanation:

Answer:

The correct answer is C. All light tan        

Explanation:

You will find the answer and explanation in the attached file due to technical problems.

Answer:

D the fish in the area would thrive because upwelling brings nutrient filled water in the area.

Answer:

A chemical reaction that has the general formula of nA → (A)n is best classified as a polymerization reaction.

Explanation:

Answer:

A stellar-mass black hole forms when a star with more than 20 solar masses exhausts the nuclear fuel in its core and collapses under its own weight. The collapse triggers a supernova explosion that blows off the star's outer layers.

Explanation:

Answer:

1. The universe's galaxies have evolved since what point in time?

2. Which proportion of the universe's galaxies can be seen from Earth?

3. Which was used to create the first image of a black hole?

4. Which of these describes a nebula?

5. Why are most stars not destroyed in a galaxy collision?

6. What do supernova remnant and planetary nebulae have in common? Select the three correct answers.

7. Which of the following is an accurate description of cosmic microwave background (CMB) radiation? Select the two correct answers.

8. Select the correct answers from the list.

The model of galaxy formation in which sections of gas clouds collapse into small pieces which repeatedly combine into larger pieces under the influence of gravity is called the ____ model or the ____ model.

9. Drag and drop the words into the correct locations. Answers may be used once, more than once, or not at all.

Galaxies can be grouped by the age of the stars they tend to contain, with ____ galaxies having the youngest stars and ____ galaxies having the oldest stars.

10. Which event triggers the start of black hole formation?

Explanation:

1. 13.8 billion years ago, right after the universe first formed

2. far less than 1 percent

3. radio waves from matter at the edge of the black hole

4. cloud of gas and dust

5. Galaxies are mostly empty space.

6. They emit non-visible radiation.

They are composed of matter from dying stars.

They contribute matter to interstellar space.

7. CMB is uniformly distributed and of a uniform temperature across the universe.

CMB is remnant radiation from the Big Bang.

8. inside-out / bottom-up

9. irregular / elliptical

10. A massive star depletes its stores of hydrogen and helium

Several genetic mechanisms for defense against age-related disease may be studied in the genomes, according to scientists.

The numerous ways in which an individual interacts with some of its environments, whether in its responses to predators, food sources, and habitat, or in its relational or monogamous relationships with conspecifics, appear to be influenced by its behavioral phenotype.

Yes, it is conceivable for two people to have distinct genotypes and the same phenotype. Each parent contributes one allele to an individual, which may be considered dominant or recessive depending on the trait.

To know more about phenotype visit:

brainly.com/question/29894104

#SPJ1

Answer:

The body floats on water

The body decays and form manure

Answer:

B.

carbon dioxide doesnt need to resperaite

Answer:

The process represented by the equation 6H₂0 + CO2 + light → C6H12O6 + O2 is photosynthesis.

Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose (C6H12O6). During photosynthesis, carbon dioxide (CO2) and water (H₂0) are combined in the presence of light to produce glucose and oxygen (O2). Photosynthesis is an important process that allows plants to produce their own food and is also a key source of energy for the Earth's ecosystems.

Answer:

All answers are correct

Answer:

Each daughter cell is HAPLOID

Explanation:

i think the answer is haploid pls if its help don't forget to put me as (brainliest) my dream :)

Answer:

I hope you get brainliest!

Answer:

B photosynthesis is that occurs in the leaves of rain forest tree

The specific DNA sequence where RNA polymerase binds and initiates transcription is called the promoter region.

The first detailed and quantitative studies on inheritance were carried out by an Austrian monk named Gregor Mendel.

Mendel is known as the "father of genetics" for his pioneering work on the inheritance of traits in pea plants, which laid the foundation for the field of genetics. His work, published in the mid-1800s, showed that traits are inherited through the transmission of discrete units of information, now known as genes, from parents to offspring.

Mendel's work was largely ignored at the time, but it was rediscovered in the early 20th century and has had a profound impact on the understanding of how traits are passed down from generation to generation.

Learn more about Inheritance here:

https://brainly.com/question/15078897

#SPJ4

Answer:

B. To exchange oxygen with carbon dioxide.

Explanation:

Hope this helped you guys!

Answer:

B; to exchange oxygen with carbon dioxide

Explanation:

Got it right on edge 2021!!