EASY 7th GRADE SCIENCE QUESTION FIRST PERSON BRAINLIEST!!!!

Which value is a velocity?

A. 16 mi/hr
B. 20 m/s
C. 47 km/hr
D. 20 m/s North

Based on the materials of the course, it is more likely to make human immunodeficiency virus (HIV) vaccination mandatory for the housekeeping staff is the correct statement. OSHA stands for Occupational Safety and Health Administration. Option A is correct

OSHA is the United States federal agency that is in charge of enforcing laws that deal with workplace safety, health, and occupational health. OSHA was established in 1971, and its primary mission is to ensure that employers are providing their employees with a safe and healthy working environment. OSHA has a wide range of regulatory powers that are used to ensure that employers are in compliance with the laws and regulations that deal with workplace safety and health.

Human immunodeficiency virus (HIV) vaccination is significant as HIV is a virus that damages the immune system, which is responsible for defending the body against illness. Without proper treatment, HIV can develop into acquired immunodeficiency syndrome (AIDS).There is currently no cure for HIV, but antiretroviral therapy (ART) is a treatment that can help manage the virus.

Vaccinations for Hepatitis B and HIV are now available to employees who work in settings where they may be exposed to infectious diseases. These vaccines can help reduce the risk of exposure to infectious diseases in the workplace. Therefore, it is more likely to make human immunodeficiency virus (HIV) vaccination mandatory for the housekeeping staff. Option A is correct

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Answer:

Can of soup and pop Tarts.

Explanation:

Can of soup will provide 1 mole of sodium whereas pop Tart provides potassium in the least mass because the concentration of sodium and potassium in can of soup is higher than other food items. The can of soup has 300 mg of sodium and pop Tart has 0.5 g of potassium while on the other hand, honey nut, frosted flakes, Oreos and pop Tarts has  0.14 g, 0.12 g, 0.3 g, and 0.35 g of potassium respectively and can of soup, honey nut,  frosted flakes and Oreos has 190 mg, 150 mg, 80 mg, and 180 mg of potassium respectively which is lower than pop Tart so we can say that less amount of pop tart provides more potassium. 9579 of soup and 7505 of pop Tart are the masses required for I mole sodium and potassium.

Answer:

enzyme, It speeds up the rate of a specific chemical reaction in the cell.

Explanation:

Answer:

theres nothing

Explanation:

Mutation creates slightly different versions of the same genes, called alleles. These small differences in DNA sequence make every individual unique. They account for the variation we see in human hair color, skin color, height, shape, behavior, and susceptibility to disease.

Can be used to increase genetic variation:

Gene duplication, mutation, or other processes can produce new genes and alleles and increase genetic variation. New genetic variation can be created within generations in a population, so a population with rapid reproduction rates will probably have high genetic variation.

Answer:

hello there

Explanation:

Mutations are changes in the genetic sequence, and they are a main cause of diversity among organisms

Answer:

La respuesta D. vacuolas

Explanation:

The DNA-containing region of a bacterial cell is indicated by the letter D, the nucleoid region.

This region is called the nucleoid. The nucleoid is a region of the cytoplasm that contains the DNA of the cell. The DNA is organized into a single, circular chromosome. The nucleoid is not surrounded by a membrane, unlike the nucleus of a eukaryotic cell.

The nucleoid is important for several reasons. First, it contains the cell's DNA, which is the genetic material that determines the cell's structure and function. Second, the nucleoid is the site of transcription, which is the process by which DNA is used to make RNA. Third, the nucleoid is the site of translation, which is the process by which RNA is used to make proteins.

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Answer:

answer is segmented

Explanation:

i just answered that

The image depicts erosion, specifically soil erosion. Soil erosion is the gradual deterioration of soil caused by the impact of water or wind on soil particles.

Ways to prevent soil erosion :

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Answer:

they have Well supplied blood vessels which carry away absorbed food. Lacteal present which transports absorbed lipids away from Small Intestine

Villi and alveoli both are filled with rich network of blood capillaries, and the blood constantly moves through them that maintains a steep concentration gradient.

Capillaries are the thinnest blood vessels. Capillaries are delicate vessels which exist throughout the body. They transport blood, nutrients and oxygen to all the cells in organs and all the organ systems. Capillaries are the smallest blood vessels of the vascular system.

The alveoli present in the lungs are covered with a rich blood supply of capillaries. This network provides a diffusion gradient for the gases through which oxygen move into the blood and carbon dioxide move into the lungs. The alveoli are highly folded which gives them high surface area: volume ratio for gaseous exchange. The alveolar walls are one-celled thick which makes it easy for the gases to diffuse across.

This gradient produced by the capillary network in the villi increases the amount of dissolved, digested food that can be absorbed into the bloodstream from the alveoli of small intestine.

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When Triangle N' is the image of triangle N under a dilation, the center of the dilation is B.

Dilation is a transformation that allows you to resize an object. Dilation is a technique for making objects larger or smaller. This transformation yields an image that is identical to the original shape.

To determine the scale factor for a dilation, we locate the dilation's center point and measure the distance between the center point and a point on the preimage, as well as the distance between the center point and a point on the image. The scale factor is given by the ratio of these distances.

Dilation enables you to change the size of a figure without changing its shape.

Dilation is the process of changing the size of a shape to make it larger or smaller. Dilation, unlike other transformations, does not always cause the shape to flip, rotate, or change position on the xy-plane.

In conclusion, the correct option is B.

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Complete question

Triangle N' is the image of triangle N under a dilation.

What is the center of the dilation?

A

B

C

D

Answer:

I think it's B. but I ain't sure

Answer:

depressive illness, anxiety disorder, obsessive compulsive disorder, anorexia etc.....

Explanation:

it's easy to understand just need to focus

Answer :Whether the source of radiation is natural or man made whether it is a small dose of radiation or a large dose of radiation there will be some biological effects.

Explanation:  radiation is a part of human body and it is natural.

Answer:

It is Plasma Membranes.

Answer: Plasma membrane

Explanation:

Can I be Brainliest bc i was first

Answer:

in high pressure it moves counterclockwise in low pressure it moves clockwise

Explanation:

Two molecules are formed from the cleavage of glucose during the first step of glycolysis, each containing three carbons.

For the duration of the first step of glycolysis, glucose is transformed into two molecules of glyceraldehyde-3-phosphate (G3P) through a process referred to as cleavage. This step happens within the cytoplasm of the cellular and is catalyzed by an enzyme known as aldolase.

The cleavage of glucose includes breaking the six-carbon molecule into two 3-carbon molecules. In this step, a phosphate organization is brought to the molecule, which is then split into two 3-carbon molecules known as G3P.

Each molecule of G3P contains a phosphate institution, which lets it be converted into pyruvate in later steps of glycolysis. As for the second part of the question, every molecule of G3P includes 3 carbons.

Therefore, the ensuing molecules from the cleavage of glucose additionally include three carbons each. The carbons are numbered for every molecule beginning with the carbon closest to the phosphate institution.

The molecule can then be represented as glyceraldehyde-3-phosphate, in which the three indicate the carbon wide variety.

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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.

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Answer:

A gene is the basic physical and functional unit of heredity, A genome is an organism's complete set of DNA, including all of its genes.

Explanation:

Answer:

Nucleic acids are composed of smaller subunits called nucleotides. A nucleotide is a nucleoside with one or more phosphoryl group by esterlinkage. When it is in the form of RNA the bases are called adenylate, guanylate, cytidylate, and uridylate.

Explanation:

hope this helps

Answer:

radiometric dating methods

Explanation:

Absolute dating is used to determine a precise age of a rock or fossil through radiometric dating methods. This uses radioactive minerals that occur in rocks and fossils almost like a geological clock.

Answer:

A. false

Explanation:

when we fear we feel colder

The haploid genome of mice has 20 chromosomes (thus 40 chromosomes in all). The human haploid genome is around 3 picograms in size.

The greatest level of Gene and rna organisation is seen in chromosomes. Chromosomes' primary job is to transport DNA and pass genetic material from one generation to the next. Cell division involves the critical function of chromosomes. They guard against tangles and damage to the DNA.

One chromosome is made up of one protein and one DNA molecule. Different chromosome sizes may be packed together into a nucleus thanks to proteins called histones.

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Species more likely to become endangered require pristine habitats and late successional ecosystems. The correct option is C. A and B only.

An endangered species is a species that is at risk of extinction or is declining rapidly in population. Endangered species are those that have been classified by the International Union for Conservation of Nature (IUCN) as at risk of extinction in the wild.

A pristine habitat is a habitat that has never been impacted or damaged by human activity. These habitats are free of human-caused disturbances, such as habitat destruction, pollution, or invasive species.

Late-successional ecosystems are those that have reached a climax or stable state. These ecosystems are the most mature and diverse, with a wide range of species. The ecosystems that have been undisturbed for a long period of time are those that are late-successional ecosystems. Species that are more likely to become endangered require pristine habitats and late-successional ecosystems. These types of ecosystems are rare and fragile and are easily impacted by human activities. Therefore, conservation measures must be taken to ensure that these ecosystems are protected from human disturbance and other forms of damage.

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The correct sequence of events for the secretion of insulin by islet cells in the pancreas is as follows: transcription of gene in nucleus -> export of mRNA to cytoplasm -> translation on ribosomes on rough ER -> processing of polypeptide in Golgi -> export of protein at cell surface.

This involves the genetic information being transcribed in the nucleus, the mRNA being exported to the cytoplasm and translated on ribosomes, the polypeptide being processed in the Golgi, and the protein being finally released at the cell surface. It is important to note that insulin is not a product of a gene, but rather must be synthesized from simpler molecules by dedicated enzymes.

In -cells, a series of processes that result in the fusion of secretory granules with the plasma membrane are responsible for the release of insulin. While other foods such free fatty acids and amino acids can increase glucose-induced insulin secretion, glucose-induced insulin secretion is predominantly a reaction to glucose.

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“The l form of pyruvate kinase is more likely to become phosphorylated in the presence of high levels of glucagon” is true, because the l form is more likely to become phosphorylated in the presence of high level of glucagon, option (B) is correct.

Glucagon signals the liver to release glucose into the bloodstream, and phosphorylation of pyruvate kinase in the liver helps to prevent glycolysis and instead promote gluconeogenesis, which is the production of glucose from non-carbohydrate sources.

On the other hand, the m form of pyruvate kinase is more likely to become phosphorylated when glucagon levels are high, which is consistent with the role of glucagon in promoting glycogen breakdown in muscles to release glucose for energy. Option (B) is correct.

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The complete question is:

Pyruvate kinase is a tetrameric enzyme that can exist as an l (found mostly in liver) or m (found mostly in muscles) form. which of the following statements comparing the l and m forms of pyruvate kinase is true? 

A. the m form is more likely to become phosphorylated in the presence of high level of insulin. 

B. the l form is more likely to become phosphorylated in the presence of high level of glucagon. 

C. the l form is more likely to become phosphorylated in the presence of high level of insulin. 

D. the l form is more likely to become phosphorylated under high blood sugar conditions.

E. the m form is more phosphorylated when glucagon levels is high.

The consequences of anemia and leukopenia considering the function of the bone marrow cells include weakness, weariness, easy bruising, and a reduced capacity to recover from injury or infection are all signs of anemia, which is characterized by a diminished delivery of oxygen to the tissues.

The bone marrow cells include red blood cells known as erythrocytes as well as white blood cells known as leucocytes.

The body's oxygen is carried by erythrocytes while the leucocytes fight infections. A reduced ability to respond to cellular harm, especially infection, will come from a decrease in the number of circulating leukocytes, and fatigue and weakness result due to reduced oxygen transport by the few circulating erythrocytes.

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Complete question:

A common consequence of many cancer chemotherapy drugs is destruction of bone marrow cells. This leads to a decrease in the number of circulating erythrocytes and leukocytes, resulting in conditions called anemia and leukopenia, respectively. Predict the consequences of anemia and leukopenia, considering the function of these types of cells.