Cellular Respiration and Energy
Which of the following statements about facilitated diffusion is Gated proteins control the rate of diffusion.
Molecules move up the concentration gradient
ATP is required to move molecules through the protein channels.
Molecules move from an area of low to high concentration.

The correct answer is A. climate change. Climate change is a direct consequence of greenhouse gas release by human activities.

The building of the Dismal Swamp Canal impacted North Carolina because it speed up the travel of goods from Eastern North Carolina to Virginia.

The Dismal Swamp Canal was dug by hired enslaved labor that is opened for navigation in 1805 after completing the work under unfavorable conditions. The Dismal Swamp Canal length is 22 miles which provide trade between Virginia and North Carolina. In 1929, the Government of the United States of America bought the Dismal Swamp Canal and started to improve its structure and capacity. This canal is also called the oldest operating waterway in the country. It is also part of the Atlantic Intracoastal Waterway. So we can say that this Dismal Swamp Canal increases the speed of trade activities between the two regions.

So we can conclude that option B is the right answer.

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The pressure exerted by or present within a liquid when it is at rest in relation to other bodies is known as hydrostatic pressure.

When a diver encounters a rise in the pressure of the surrounding water, the phrase "blood shift" is used. Due to this, the amount of blood being pumped into the chest increases.

The pressure increases significantly below 80 meters, and Néry can actually feel it in my body. He starts to truly feel like being choked.

Nery explains how he can unwind and let the water draw him deeper. This was the most fascinating to me.

The force that fluids apply against the capillary wall is known as hydrostatic pressure.

Nery explains how he can unwind and let the water to draw him deeper. I'm drawn to this because I enjoy being in the water and enjoying the serenity of the silence. The fact that our bodies may be trained to defend ourselves and mount a defense against stressors also intrigues me.

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Question:

Tropical rainforests are very humid and get lots of rain. This leads to lush plant growth, including tall trees and large, colorful flowers. Primates, such as the orangutan pictured above, often live in tropical rainforests. Which of the following describes a characteristic that allows orangutans to live in the rainforest?

1- Orangutans have orange fur that blends in with the treetops



2-Orangutans have long limbs that allow them to climb trees easily



3-Orangutans have thick hair that helps to keep them warm.



4-Orangutans have small ears that do not get cold very easily.

Explanation:

The main physical characteristics of the orangutan are the large head, long and flexible arms, prominent mouth, and abundant fur with a very bright red-orange hue. Standing up, they can measure two meters and the males weigh up to 120 kg. The orangutan's arms are appropriate for its lifestyle because it spends most of its time (about 90 percent) in the trees of its home, the tropical rain forest. They even sleep in the heights, in nests made with leafy branches. In fact, Sumatran orangutans have long, strong arms, 1 or 1/2 times the length of their legs that enable them to move easily in the trees.

Answer: we can conclude that the correct answer is:

Answer:1. placing it in a beaker of water

Explanation:

You can find the volume of an irregular object by immersing it in water in a beaker or other container with volume markings, and by seeing how much the level goes up.

Which of the following refers to a classical conditioning method that exposes an individual to a harmless stimulus until fear responses to that stimulus are extinguished? A. Flooding B. Systematic desensitization C. Counterconditioning D. Spontaneous recovery

Flooding refers to a classical conditioning method that exposes an individual to a harmless stimulus until fear responses to that stimulus are extinguished.

Answer:

Systematic desensitization gradually exposes a person to a feared object.

Explanation:

The exercise tells us that 20 babies have been born in a maternity ward, and 10 of them have brown eyes, while the other 10, have blue eyes. The questions below are related to the dominant eye color, how we know it, and what it means in terms of inheritance. To this, we can answer that the dominant eye color is the brown one and that we know this due to the dominant alleles are represented with a capital letter, in this case, B, being b (for blue color) the recessive allele. In terms of inheritance, this means that if a parent with brown eyes (being BB, or Bb their genotype, but if we have that they have babies being they blue-eyed, then the genotype would be Bb), has babies with a parent that have blue eyes (being bb their genotype), the babies would have both phenotypes, as we can see in the following Punnet Square.

The theory that explains why people tend to made adjustments in their beliefs and attitudes to maintain consistency with their experiences and actions is Cognitive dissonance.

Cognitive dissonance theory postulates that an underlying psychological tension is created when an individual's behavior is inconsistent with his or her thoughts and beliefs. The underlying tension then motivates an individual to make an attitude change that would produce consistency between thoughts and behaviors.

Cognitive dissonance theory is very important and needful for understanding the impact of role-playing on attitude change.

What is the theory of cognitive dissonance based on?

Image result for which theory can explain why people tend to make adjustments in their beliefs and attitudes to maintain consistency with their experiences and actions

The theory of Cognitive dissonance was proposed by Leon Festinger and was centered on how people try to reach internal consistency

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Answer:

Lovejoy (1936) identified three basic intellectual components of the Great Chain of Being, which he called the principles of Plenitude, Continuity, and Gradation.

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The correct option is D. Skull, vertebrae and ribcage. The axial skeleton comprises the central axis of the skeleton, thus the limbs are not inlcuded in it, they belong to the appendicualr skeleton.

Answer:

A point has no dimension and a line has one dimension.

Explanation:

Okay bro, i can explain you :)

Sex determination.

Separate sex determining i.e. male and female.

In sex determination, male and female differs only through sex chromosomes i.e. x and y chromosome. x chromosome for male and y chromosome for female. Autosomes(non - reproductive cells) does not involve in sex determination. Only the sex chromosomes involve in sex determination. Overall, only this chromosomes ( x and y) decides whether the resultant baby is male or female. If it is x chromosome, then it is a female and if y chromosome, then it is a male.

The oldest cultivated seeds ever found were so well preserved so as to ensure that they are viable even after a long period of time.

This is referred to as the measure of the ability of the seed to remain alive and being able to reproduce in other to form a new offspring through various processes.

Seeds are grown or present under various conditions which could be harsh such as during a period of extreme hot or cold climatic conditions and there is the importance of it having to remain well preserved.

This is because it ensures that the seed is still viable and able to grown into a new plant. This is done through structures which prevents it from drying out or being influenced by other factors thereby making it the correct choice.

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Answer:

Solution

Type of organisms based on cell number:

Based on cell numbers, organisms are grouped under two categories:

Unicellular organisms - organisms having a single cell.

Multicellular organisms - organisms having more than one cell or group of cells.

Unicellular organisms:

In several organisms, a single cell is capable of performing all the cell functions that are vital for its survival.

In such organisms, no division of labour is present.

There is no tissue or organ formation.

Examples - Amoeba, yeast, Chlamydomonas, etc.

(a) The probability that they will have a cub with black fur and brown eyes is 25%

(b) The probability they will have a cub with while fur and blue eyes is 25%

(c) The phenotypic ratio is = 1:1:1:1

(d) The genotypic ratio is= 1:1:1:1

male      : Ffbb  (black fur, blue eyes)

female    : ffBb   ( white fur brown eyes)

male gametes : Fb and fb

female gametes : fB and fb

male/

female     Fb              fb

fB           FfBb            ffBb

fb            Ffbb            ffbb

FfBb          black fur brown eyes

ffBb          white fur brown eyes

Ffbb         black fur blue eyes

ffbb          white fur  blue eyes

Phenotype is defined as  observable characteristics or characteristics of an organism that are the result of the interaction of genes and environmental factors. These characteristics include physical appearance and  other characteristics that we perceive.

The phenotype of an organism includes its physiological, biochemical and behavioural characteristics. Unlike genotype, which is inherited from  parents,  phenotype is influenced by lifestyle and environmental factors. Environmental factors include temperature, nutrition, humidity and the mental health of the body.

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30S ribosomal subunit is only found in prokaryotic cells, so it would interrupt translation on bacterial cells (prokaryotic) but not in human cells (eukaryotic).

The answer would be 50%.

If these two genotypes mate YW x YW the result would be

YY, YW, YW, WW. The percentage of the offspring would be:

YY- yellow 25%

YW- cream 50%

WW- white 25%

The digestive system takes nutrients from food and absorbs them. The circulatory system drives those nutrients to the rest of the body's cells. From the left to the right: blood vessels, heart, villi, digestive tract.

1. The digestive system is composed of different organs. Some of them mechanically break down ingested food, while others, through enzymatic action, take nutrients and let them available to be absorbed by the intestine. Villi increase the absorption area, enhancing the number of nutrients and water absorption. These are then driven to the rest of the body's cells

2. The circulatory system (composed of vessels, capillaries, veins, arteries, and the heart) takes those nutrients from the intestine walls and transports them together with the oxygen to different cells in the organisms where they are needed.

From the left to the right: blood vessels, heart, villi, digestive tract.

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The processes of the alterations in chromosomal organisation that take place as a cell enters mitosis.

The correct order is:

1. Chromatin is created by the regular wrapping of DNA around histones.

2. The DNA is compacted by interactions between histone component components.

3. The DNA becomes supercoiled as the chromosome coils ever-tighter.

4. Chromosomes that have been duplicated and compressed attach at a point known as the centromere.

What transpires to DNA throughout mitosis?

Therefore, during mitosis, cells don't simply randomly split their DNA into two heaps for the two daughter cells. Instead, they divided up their duplicate chromosomes in a methodical order. Prophase, Metaphase, Anaphase, and Telophase are the four basic phases of mitosis.

In what way do chromosomes separate during mitosis?

A mitotic spindle, a specialised structure made of microtubules, is responsible for separating the chromosomes. The cell's cytoplasm divides during this phase. It starts as soon as mitosis is complete.

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Answer:

Being Passive in the Kidney. Firstly, small soluable molecules can passively diffuse into the liquid in Bowman's Capsule from the Glomerulus. These molecules are usually molecules of glucose, urea, salts and water and diffuse from the capillaries into the solution of plasma without the use of energy.

Explanation:

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John Muir conservationist used their notoriety to advocate for the creation of Olympic National Park.

The correct option is B.

John Muir, one of the most well-known naturalists and conservationists in the country, is honored with the name Muir Woods in the Golden Gate National Recreation Area. Muir is credited with creating the Sierra Club and the National Park System.

Muir was one of eight children and was born on April 21, 1838, in Dunbar, Scotland. He enjoyed playing outside and was energetic and adventurous. According to the Sierra Club, Muir attended the neighborhood schools of that little coastal village until he was 11 years old. But the Muir family immigrated to the United States in 1849 and settled in Wisconsin.

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Answer:

Science fiction is a genre

Answer: B. Science Fiction is a genre.

Detroit, Michigan city had lead levels in their drinking water that was equal to what was found in Flint.

The correct option is (B) Detroit

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If 30% of the nucleotides in a single-stranded RNA molecule are adenine, then what percent are expected to be thymine (C) 30%

Adenine is a basic nucleotide that combines with uracil in RNA and thymine in DNA to produce nucleotides. Adenine; Adenine has a number of roles in biochemistry, including supporting cellular respiration through the production of ATP, NAD, and FAD. Additionally, DNA and RNA's chemical components are used in the creation of proteins.

One of the two purine nucleobases—the other being guanine—used to create the nucleotides of the nucleic acids is adenine. Adenine and thymine form two hydrogen bonds in DNA to help stabilise the nucleic acid structures. Adenine interacts to uracil in the RNA that is needed to create proteins.

Carbon, hydrogen, and nitrogen are the elements that make up the nitrogenous base adenine.

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The viruses have 3 main parts, the genetic material, the capsid, and some proteins.

in the image, we can see that inside we have the genetic material, and it is protected by the capsid. So the number 7 would be the genetic material.

and the number 9 would be glycoproteins that help the virus to recognize the target cell and allow the viruses to get in the cell, besides keeping the integrity of the genetic material.

The ion that is able to serve as an alternative for the hydroxyl ion is the carbonate ion. Option B

The bone is a structure that could be found in some animals. The main function of the bone is that the bone does provide support for the organism. There are about two hundred and six bones in the human body and most of them does provide support and rigidity to the human body.

The compound hydroxyapatite is found in the bone and it contains the hydroxyl ions, phosphate ions and the calcium ions which is the main ion that have been associated with the rigidity of the bone.

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In order to describe the object based on physical properties that one can determine with the senses, I will describe the weight, taste, mass, and color of the object.

The physical properties of a substance are those properties that can be observed without changing the chemical nature or properties of the substance.

Physical properties can easily be observed with the senses such as taste, sight, sound, texture, or feel.

Some physical properties of a substance include:

Therefore, physical properties are determined by the senses.

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Among the vaccines administered in the U.S., the recommended choice of the Centers for Disease and Prevention (CDC) are Pfizer-BioNTech or Moderna vaccines. Suggestions for a mix-and-match approach allows preference on a different vaccine for booster than the one administered to them.