Adjacent nucleotides in the same dna strand are held together by covalent bonds known as bonds.a. Trueb. False

The sternocleidomastoid is an important muscle that helps with neck movement. If you lack this muscle, your range of motion would be limited.

The sternocleidomastoid muscle (SCM) is a paired muscle that is located in the neck. It is one of the primary muscles that help to move the head and neck. The SCM is located on both sides of the neck and is attached to the sternum and the clavicle at one end and the mastoid process of the temporal bone at the other end.

The sternocleidomastoid muscle has several functions, including: Rotating the head from side to side, Bending the head from side to side, Flexing the neck, which means bringing the chin towards the chest, Extending the neck, which means bringing the head backwards. Therefore, if you lacked a sternocleidomastoid, your range of motion would be affected.

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Answer:

Malaria

Explanation:

In fact, malaria is one of the most common infectious diseases on the planet. Malaria is also a very serious disease. It kills several million people each year, most of them children

Answer:

3

Explanation:

Answer:

Three hearts

Explanation:

One heart pumps blood throughout the body, while the other two pumps oxygen-rich blood through the gills.

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Adenosine triphosphate (ATP) is the energy-carrying molecule involved to carry out reactions that take place inside our body.

A vital "energy molecule" present in all living things is adenosine 5′-triphosphate, also known as adenosine triphosphate (ATP) and typically written without the 5′-. In particular, it is a coenzyme that transfers energy to cells by releasing its phosphate groups when it interacts with enzymes like ATP triphosphatase.

All living things contain the energy-carrying molecule adenosine triphosphate (ATP) in their cells. When food molecules are broken down, chemical energy is released that is captured by ATP and used to power other cellular operations.

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The new planet has more mass than Earth but the same radius. The mass of the astronaut will be calculated by the use of Newton's gravitational equation. The weight of the astronaut depends completely on its mass and the gravitational acceleration of the planet.

Gravitational acceleration is directly proportional to the mass of the planet and indirectly proportional to the radius of the planet. Hence, when the gravitational acceleration increases the planet's mass will increase therefore the radius will decrease. The astronaut's mass will depend on these factors.

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Explanation:

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Whether an added sugar contains more or less fructose versus glucose has little impact on health. (An exception may be people with diabetes who need to control their blood glucose, in which case a higher-fructose, lower-glucose sugar may be preferable

Answer:

Some sugar that's made is usually take and unhealthy, but other sources can be purely made with no artificial s added to it making it fake.

Answer:

Plasmids are nucleic acids which can pass on traits.

Explanation:

The inference that can be drawn about the nature of plasmids from this observation is plasmids are nucleic acids which can pass on traits. Therefore option A is correct.

Plasmids are small, circular DNA molecules that exist separate from the chromosomal DNA in bacterial cells. They are capable of self-replication and can be transferred between bacterial cells, including different species or strains, through a process called plasmid transfer.

The bacteria with the ability to break down certain types of plastic have plasmids containing the genes responsible for this specific trait. When these bacteria are placed together with E. coli bacteria lacking this ability, plasmid transfer occurs between the colonies.

As a result, some of the E. coli bacteria acquire the plasmids containing the genes for plastic degradation, gaining the ability to break down plastic as well.

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Answer:

1 mole of ATP per Krebs cycle

Explanation:

it's produced when

succinlycoa ---> succinate

( succinlycoa dehydrogenase)

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tropical dry forest, also called monsoon forest or tropical deciduous forest, biome of any open forest in tropical areas that have a long dry season followed by a heavy rainy season.

Found on all continents except Antarctica, the grassland biome is characterized by being flat and grassy, with little tree cover. Large grazing mammals, such as elephants or bison, inhabit these areas, along with small mammals, birds, and predators. The grassland biome is made up of large open areas of grasses. They are kept with grazing animals and frequent fires. Grassland types include savannas and temperate grasslands. If it rained all year, the savannahs would turn into tropical forests, full of trees and tall vegetation. For grasslands to survive, they need dry spells that prevent trees from taking over.

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Answer:

I think its B or D. I think B though

Explanation:

I am so sorry if this is wrong.

Nervous system has highly organized network of nerve tissue that coordinates information. Thus option D is correct.

The nervous system uses neurons a specialized cell which help to  carry electrical signals all over the body, once the message reached the body can start their response against it.

This system has two main parts such as Central nervous system (CNS) consist up brain and spinal cord.

The brain uses nerve cell to send messages to different parts of the body. Myelin which is an outer layer insulates the nerve.

Peripheral nervous system consists nerves relay on  information from our brain and spinal cord to different organs.

It has two parts such as Somatic nervous system guides voluntary movements and autonomic nervous system which help in controlling the activities.

Thus option D is correct.

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Answer:

B. Chlorophyll

The others are wrong

Scientists know that the first living organisms were prokaryotes.

Prokaryotes are organisms whose cells lack a nucleus and other organelles. Separate prokaryotic subgroups with purportedly distinct evolutionary histories are called bacteria and archaea.

The bulk of prokaryotes are small, simple organisms made up of just one cell. Prokaryotic cells are surrounded by a plasma membrane but do not include inherent membrane-bound organelles in their cytoplasm.

In prokaryotes, the nucleoid, which houses the DNA but is not shielded by a nuclear membrane, is located in the core of the cell.

Therefore, Scientists know that the first living organisms were prokaryotes.

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Answer:

22+xx

Explanation:

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Before designing a solution to protect an estuary, the conservation group should gather the following two pieces of information: Ecological Characteristics, and Threat Assessment.

1. Ecological Characteristics: The conservation group needs to understand the specific ecological characteristics of the estuary.

This includes information such as the biodiversity present, the types of habitats within the estuary, and the species that rely on the estuary for their survival.

2. Threat Assessment: It is crucial for the conservation group to assess the specific threats that the estuary is facing. This includes evaluating the extent and impact of invasive species.

The existing human structures or activities that are affecting the estuary, the level of pollution and its sources, and the potential consequences of climate change on the estuary's ecosystem.

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The mother is the parent that gave the boy the colorblind gene.

In humans, color blindness is a recessive, sex-linked trait that is carried on the X chromosome.

Since males only inherit one X chromosome from their mother and one Y chromosome from their father, they are more likely to express sex-linked recessive traits if they inherit the affected allele from their mother.

In this scenario, the boy's father is colorblind, which means he must have inherited the colorblind gene from his mother since his father could not have passed it on to him (his father could only pass on the Y chromosome to him).

The mother is not colorblind, which means she must have inherited at least one normal allele for color vision. Since the boy is colorblind, he must have inherited the colorblind allele from his mother, who must be a carrier for the trait.

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Anole Lizards represent an excellent proxy for studyimg evolution because :  Anole lizards are examples of convergent evolution

A convergent evolution is a type of evolution where different living things acquire the same type of adaptations independently for the same kind of challenges in that occur in similar ecological niches. Anole lizards are examples of convergent evolution.

Hence we can conclude that Anole Lizards represent an excellent proxy for studyimg evolution because Anole lizards are examples of convergent evolution.

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The most likely length of an mRNA that will code for a polypeptide with 150 amino acids is >450 nucleotides.What is mRNA?

Messenger RNA or mRNA is a single-stranded RNA molecule that carries genetic information from DNA to ribosomes for protein synthesis. mRNA is synthesized from DNA through a process called transcription.Most genes contain information that codes for the production of proteins. These proteins, in turn, are involved in the development and function of all living organisms.

The length of mRNA depends on the number of nucleotides, which is determined by the number of amino acids required to make a protein.In general, every three nucleotides on the mRNA molecule code for a specific amino acid. A string of such amino acids forms a polypeptide.

The polypeptide chain forms a protein through folding and further modifications.The most likely length of an mRNA that will code for a polypeptide with 150 amino acids is greater than 450 nucleotides because each amino acid is coded by a sequence of three nucleotides. Therefore, 150 amino acids would require a coding sequence of at least 450 nucleotides.

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When repositioning a patient up or down in bed, an effective method to maintain proper body mechanics is to bend your knees, keep your back straight, and use your leg muscles to lift and move the patient.

By bending your knees and keeping your back straight, you can prevent strain on your lower back muscles. Using your leg muscles, which are generally stronger than your back muscles, helps you safely lift and move the patient while reducing the risk of injury. Additionally, maintaining proper body mechanics is important to ensure both the caregiver's and patient's safety and comfort.

Repositioning a patient requires using proper body mechanics, such as bending your knees, keeping your back straight, and relying on your leg muscles, to ensure a safe and effective transfer while minimizing the risk of injury to both the caregiver and patient.

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Answer:

it is not if you think it is it isn't

Explanation:

the water cycle

Answer: Like us, fish also need to take in oxygen and expel carbon dioxide in order to survive. But instead of lungs, they use gills. ... As the fish opens its mouth, water runs over the gills, and blood in the capillaries picks up oxygen that's dissolved in the water.

Answer:

Sulfur dioxide and nitrogen oxides react with water and oxygen to form acid rain.

Hope it helps! :)

Answer:

Sulphur Dioxide and Nitrogen oxide

Explanation:

These gases are exerted into the sky as pollutants through human activities. Then, when the clouds form due to condensation, and become to heavy to hold, they start to release water in the form of rain. However, one slight change would be that they bring down the Sulphur dioxide and nitrogen dioxide with them.

This acid rain is mostly seen after a long summer, and when the first few rains are seen. This rain highly affects the happenings at the Earth. For example, they make the soil in fertile and leave farmers and gardeners under lots of work for when they re - plant later that year.

Echolocation helps the bat to find the prey about where they prey is located with the help of the vibrations of its echo.

To find out if the bats could anticipate where the insects would move, researchers watched the bats' head motions while echolocating insects. The bat gauges the distance to its prey by measuring the interval between each echolocation call and the subsequent echoes.

They slant their heads to detect the shifting echoes' intensities and determine the location of the prey in the horizontal plane. To successfully follow a wildly flying bug, bats must combine echo information regarding object distance and direction.

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Correct question:

Illustrate how echolocation works for the bat. How does this help the bat?

The correct answer is (a) deletion of the normal copy. Loss of heterozygosity in a tumor-suppressor gene occurs when the normal copy of the gene is lost or deleted, leaving only the mutated copy.

Tumor-suppressor genes are involved in regulating cell growth and preventing the formation of tumors. In individuals with a heterozygous mutation in a tumor-suppressor gene, the normal copy acts as a safeguard against the development of tumors. However, if the normal copy is deleted or lost in a cell, there is no functional tumor-suppressor gene left, increasing the risk of uncontrolled cell growth and tumor formation. This loss of the normal copy can occur due to various genetic mechanisms, such as chromosomal deletions or rearrangements.

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Answer:

- Cell membrane

- Cytoplasm

- DNA

- Ribosomes

Muscle cells need more mitochondria to produce enough energy to function

If the organism contains peptidoglycan, it would be expected to be a bacterium.

Peptidoglycan is a unique component found in the cell walls of bacteria. It provides structural support and protection to the bacterial cell. It consists of a mesh-like network of sugar chains cross-linked by short peptide chains. This characteristic feature is absent in other microorganisms like archaea and eukaryotes. By performing an assay and confirming the presence of peptidoglycan, one can confidently conclude that the suspicious microorganism is a bacterium.

Bacteria are a diverse group of microorganisms found in various environments, including the kitchen. They can be both beneficial and harmful to humans. Some bacteria play vital roles in nutrient cycling, while others can cause food spoilage or infectious diseases. Identifying the type of bacterium is crucial in assessing potential risks and determining appropriate control measures. Further analysis, such as staining, culturing, or molecular techniques, can be employed to classify the specific bacterial species and gain more insights into its characteristics and potential implications.

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32 molecules of DNA would be after four PCR if the initial reaction mixture contained two molecules.

The PCR method is what?

The highly sensitive PCR method enables quick DNA amplification of a particular section. Using visual methods based on size and charge, PCR may detect and identify gene sequences by producing billions of copies of a certain DNA fragment or gene.

What does a PCR have to accomplish?

A given DNA segment can be quickly multiplied (amplified) into millions or billions of copies using the polymerase chain reaction (abbreviated PCR), allowing for more in-depth analysis.

What are the three main PCR steps?

For any DNA synthesis reaction, there are only three easy stages that must be completed: First, the template is denaturated into single strands. Next, primers are annealed to each original strand to synthesise new DNA strands. Finally, the new DNA strands are extended from the primers.

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Answer:

Elements: Helium; Nitrogen; Neon; Oxygen;...

Seventeen elements are generally classified as nonmetals: most are gases (hydrogen, helium, nitrogen, oxygen, fluorine, neon, chlorine, argon, krypton, xenon and radon); one is a liquid (bromine); and a few are solids (carbon, phosphorus, sulfur, selenium, and iodine).

Explanation:

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Answer:

The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.

Explanation: