Forearm bone involved in formation of the elbow joint. A. Trueb. False

ATP is broken down in the step of glycolysis that activates glucose, resulting in 2 ADP+P. Breaking down ATP releases energy needed to activate glucose so that it may undergo further reactions. After being activated, glucose is oxidized, or electrons are lost. In the end, glycolysis invests 2 ATP and produces 4 ATP, resulting in a net gain of 2 ATP.

The correct statements regarding the investment and harvesting of energy during glycolysis are:-

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Answer: During muscle contractions, myosin motor proteins move across tracks of actin filaments.

When restriction endonucleases react to 'cut' a double stranded dna molecule,  without separating from the DNA, the BcgI REase can cleave eight phosphodiester bonds on the DNA using two BcgI sites, both strands on either side of each site.

A single restriction enzyme is used to cut two separate linear DNA molecules so that only one end of each molecule is disrupted and these ends contain single-stranded DNA regions. The ends of the two distinct DNA molecules will match.

A class of enzymes known as restriction enzymes recognises target DNA sequences and makes precise cuts at certain locations. These enzymes cleave double-stranded DNA (dsDNA) sequences at particular locations on both DNA strands to catalyse the hydrolysis of phosphodiester bonds.

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The muscle responsible for sticking out the tongue is the Genioglossus muscle. It is the largest and the major muscle that protrudes the tongue from the mouth.

The Genioglossus muscle is a fan-shaped muscle and its name derives from its origin and insertion. Its origin is the posterior surface of the mandibular symphysis and its insertion is the hyoid bone. This muscle is mainly responsible for protruding the tongue, retracting the tongue, and changing the shape of the tongue. The genioglossus muscle helps in the movement of food during mastication and swallowing. It assists in the production of speech sounds, plays a crucial role in the respiratory system by dilating the airway, and is responsible for the primary muscles that keep the upper airway open. It also helps in the articulation of words and contributes to the alteration of vocal sound.

The genioglossus muscle works in coordination with other muscles present in the tongue. The hypoglossal nerve supplies the Genioglossus muscle with fibers, which control its function. Any damage to the hypoglossal nerve or muscle can lead to difficulty in swallowing and speaking.

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Answer:

a) it is the only unicellular organism in this cladogram

b) a salmon has jaws

c) it tells that before having limbs the ancestors developed jaws as for a feature for the organism to survive easily

d) it is on the same level as the kangroo

Answer:

Plant Cell

Explanation:

I got it right

VP1, VP4, and VP6 bluetongue virus proteins form a complex found at regular intervals along the inside of the viral core.

Domestic and wild ruminants can contract bluetongue (BT), a serious, non-contagious viral illness. The BT virus, also known as the BTV, is what causes BT; it is a member of the family Reoviridae and the genus Orbivirus. Bighorn sheep, white-tailed deer, pronghorn antelope, and sheep are all affected clinically by BTV, which is spread by Culicoides midges. Cattle, goats, and camelids are also affected sub clinically by BTV. With significant socioeconomic costs, BT is a multispecies illness that is designated by the International Organization for Animal Health (OIE).

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Which Bluetongue virus proteins form a complex found at regular intervals along the inside of the viral core?

a) VP3, VP7 and VP5

b) VP2, VP5, and VP7

c) VP1, VP4, and VP6

d) VP4, VP3, and VP7

Answer:

need help

Explanation: tell me

In a cohort study a scientist collects health data on a group of nurses. characteristic was used to form the cohort occupation.

The 3 types of observational study are:

Thus, In a cohort study a scientist collects health data on a group of nurses. characteristic was used to form the cohort occupation.

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Answer:

occupation

Explain:

the common factor/how they were picked and selected is by their job/ "occupation".

The glucose result on a urine specimen from an infant is negative on the urine chemical reagent strip. It shows negative because of other reducing substances such as galactose. So the next step will be an additional test such as Clinitest should be used to check for other reducing substances.

Clinitest is a kind of antigens self-test kit which is used to detect the reducing substances. After the self-test, we can follow-up care with our physician or healthcare provider.

Reducing substances were not normally present in urine, but a screening test was conducted to detect inborn errors of carbohydrate metabolism. Reducing substances detected include glucose, fructose, lactose, galactose, and pentose.

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Answer:

A. True

Explanation:

hope this helps :)

Answer:

no, because they do not have the same number of protons

Explanation:

No of protons represents atomic number which decides the characteristics of an atom . Two atoms having same number of protons but different number of neutrons are same element . They differ only in some physical characteristics . They are called isotopes . In respect of chemical properties they are same .  In a neutral element number of protons and number of electrons are same . But in some case number of electrons may differ . In that case they form ions of the element . In positive ion , number of electrons is shorter than number of protons .

In the present case , atom A and atom B differ in respect of number of protons so they represent different element .

Answer:

Explanation:

Answer:

the presence of cell structures in the cell

Explanation:

If you do not know the reasoning behind this, you may want to read the explanation assignment the teacher adds, or do more research, look at notes, or pay attention during class :)

Answer:

cycle:

1. Attachment: A bacteriophage attaches to the surface of a bacterial cell.

2. Entry: The viral DNA is injected into the bacterium and integrates into the host chromosome.

3. Prophage: The integrated viral DNA is known as a prophage and is replicated along with the bacterial chromosome.

4. Replication: The prophage replicates along with the bacterial DNA during cell division.

5. Induction: A trigger, such as stress or UV radiation, causes the prophage to leave the bacterial chromosome and enter the lytic cycle.

6. Lytic cycle: The viral DNA begins replicating and producing new phages, which lyse the host cell and release new viruses.

7. Release: The newly produced phages are released into the environment to find other bacterial cells to infect.

Note: The lysogenic cycle can sometimes be followed by the lytic cycle, in which the virus uses the host cell to produce new viruses, ultimately leading to lysis of the host cell.

Answer:

its snowing so the colour of their fur changes during winter

Explanation:

Explanation:

Active transport is basically like a movement cell because it moves ions or molecules across the cell membrane and into a higher concentration area. It requires energy.

A stratified squamous epithelium composes the epidermis.

The outermost of the three layers that make up the skin is the epidermis; the interior layers are the dermis and hypodermis. Plants have epidermis, which is a single layer of cells that covers their leaves, flowers, roots, and stems. Squamous epithelium is stratified and makes up the epidermis. A single base layer containing stem cells, two to three layers of proliferating basaloid cells in the suprabasal region, and bigger keratinized cells toward the surface make up stratified squamous epithelium. The esophageal squamous epithelium lacks a stratum corneum because it is non keratinizing.

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Answer:

我期望1个是正确的答案 并问老师好

Explanation:

你可以在书中找到

A common theme in biology is that energy flows through biological systems while matter is recycled. Energy and matter are not destroyed in the ecosystem.

In a food web, the food has been transferred from one organism to another in the different forms. This will show that the same molecules as well as atoms has been recycled as the same molecule has used by one organism and then transferred to the second organism.

Ecosystems contain 32 percent of the world's producers as three-thirds of the earth surface is water and provides a natural habitat to a wide variety of small and large living species and plants.

Therefore, A common theme in biology is that energy flows through biological systems while matter is recycled. Energy and matter are not destroyed in the ecosystem.

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answer:

White blood cells in the bodys immune system called CD4 cells or T-helper cells

Explanation:

The job of white blood cells is to help fight diseases so as HIV comes in the body it infects these type of cells

The enzymatic activity primarily responsible for the proofreading step of DNA replication is 3' to 5' exonuclease activity, option D is correct.

During DNA replication, DNA polymerases add nucleotides to the growing DNA strand in the 5' to 3' direction. However, occasionally incorrect nucleotides can be incorporated. To ensure high fidelity in DNA replication, DNA polymerases possess an exonuclease activity that allows them to remove the incorrectly incorporated nucleotides from the 3' end of the growing strand.

This exonuclease activity functions by cleaving the phosphodiester bond between the incorrect nucleotide and the preceding nucleotide, effectively excising the incorrect base. By removing the mismatched nucleotide, DNA polymerases can replace it with the correct nucleotide, thereby increasing the accuracy of DNA replication, option D is correct.

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Answer:

sun is the source of energy

It is sun.

Explanation:

As here we are talking about the fundamental source of energy in the food that we eat. As we all know that photosynthesis process or any thing is impossible without sun .So, sun is the fundamental source of energy in the food we eat..

An abiotic factor is a non-living part of an ecosystem, including its physical and chemical aspects.

Examples of abiotic factors include:

Sunlight: It is the source of energy for plants and affects animal habits.

Temperature: It affects the life of every species, determining where they can exist, afects metabolic reactions and is determinant for the variation of plants and animals.

Atmosphere: It sustains life on earth protecting animals from UV radiation for example.

Humidity: it affects the internal balance of organisms.

Soil: It is a source of nutrients for plants, therefore its composition affects their functions

The depth of a body of water can also be considered an abiotic factor. It affetcs for example the type of species that can live there and it determines the preassure they would have to withstand.

Answer:

Native plants do not require fertilizers and require fewer pesticides than lawns. Native plants require less water than lawns and help prevent erosion. The deep root systems of many native Midwestern plants increase the soil's capacity to store water.

Explanation:

plato

Answer:

Native plants are those that occur naturally in a region in which they evolved. They are the ecological basis upon which life depends, including birds and people. Without them and the insects that co-evolved with them, local birds cannot survive. For example, research by the entomologist Doug Tallamy has shown that native oak trees support over 500 species of caterpillars whereas ginkgos, a commonly planted landscape tree from Asia, host only 5 species of caterpillars. When it takes over 6,000 caterpillars to raise one brood of chickadees, that is a significant difference.