Can anyone help me with this science question

Answer:

Schwann cells :)

Given what we know about the process of DNA replication, we can confirm that the star shown in the diagram represents the replication fork.

During the replication of DNA in the cellular process of multiplication, a structure known as the replication fork is formed. This fork is a structure that forms by helicases, which tear the hydrogen bonds that hold together two DNA strands in the form of a double helix.

The resulting structure contains two prongs, which are branches of the original DNA strand which are no longer doble or in the form of a helix. This area where the strands are separating into prongs is the replication fork which is being marked in the diagram by the star.

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Answer:

Enzymes

Explanation:

A family of hydrolytic enzymes known as cellulases is responsible for the cellulolysis or hydrolysis of the polysaccharide cellulose, which results in the formation of monosaccharides such as glucose and shorter polysaccharides and oligosaccharides. Because of their numerous applications, these enzymes have a significant economic impact on the world.

Sickle cell anemia is persistent in the tropics because those with sickle cell anemia cant contract the malaria virus because of the shape of their blood cells, and this is advantageous in the tropics where there are more malaria cases. So those with sickle cell anemia live to pass on their genes.

Although the picture for this question is not given, if we have the possibility to view galaxies from 100 million years ago and compare them to the photos we have today, we would see that their positions would be different.

This has to do with the fact that the universe is always expanding.

The idea of an expanding universe means that galaxies are moving farther away all the time.

However, due to the effects of gravity, some galaxies pull each other in and form groups or clusters.

Therefore, due to the formation of galaxy groups or clusters, the position of galaxies may have changed in relation to others from outside its groups in the last 100 million years, while remaining the same relative to other galaxies in its local group.

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Answer:

The positions have changed over time!

Explanation:

Because of this over time change I think it goes with evolution and big bang theory

Answer:

Perpendicular

Explanation:

The lines for both equations intersect.

Answer:

perpendicular

Explanation:

-2x+6y=3 ------> y=1/3x+13

It is flipped and as opposite sign.

Answer:

D. They rented farmland from white landowners.

Explanation:

Answer:

They rented farmland from white landowners.

Explanation:

I took the test

Answer:

the nuclear envelope sentence goes to PROPHASE

The chromosomea align in sentence goes to METAPHASE

Respiration (both aerobic and anaerobic) begins with glycolysis in the cytoplasm of a cell;

1 glucose molecule (C₆H₁₂O₆) is converted into 2 molecules of pyruvate in a 10-step process, consuming 2 ATPs and yielding 4 ATPs;

Additionally, 2 NAD+ molecules are reduced to NADH molecules;

In aerobic respiration, each pyruvate molecule then goes through the link reaction, getting converted to acetyl co-A in the mitochondrial matrix, producing 1 CO₂ molecule and 1 reduced NADH molecule;

Acetyl co-A then enter the Krebs or tricarboxylic acid cycle (TCA) where 2 CO₂, 1 ATP, 3 NADH (by reduction of NAD+) and 1 FADH₂ molecules are produced;

The NADH and FADH₂ molecules produced are electron carriers required for the electron transport chain (ETC);

The electron transport chain consists of 4 proteins within the inner mitochondrial membrane which are involved in the production of ATP by oxidative phosphorylation;

The first protein (C1) is responsible for oxidising NADH to NAD+, releasing energy used to generate the proton motive force (PMF) by pumping the protons (H+ ions) into the intermembrane space and the electrons released are transferred to a ubiquinone molecule;

The second protein (C2) is responsible for oxidising FADH₂ to FADH, also releasing energy used to generate the proton motive force (PMF) and, similarly to C1, the electrons released are transferred to ubiquinone;

The third protein complex (C3) transfers the electrons from ubiquinone to cytochrome C;

Finally, cytochrome C transfers these electrons to the fourth complex (C4), where they combine with free protons in the matrix and O₂ to to produce H₂0;

The PMF is then harvested via an ATP synthase protein where H+ flood back into the mitochondrial matrix, and the energy released is used to generate ATP from ADP and Pi;

ATP is now ready for use for bodily processes requiring it.

Answer:

I Would Like To know more about the temperatures the sun makes on other planets

Answer:

ok

Explanation:

Answer:

right beacuse

Explanation:

There are no PHOTORECEPTORS in the OPTIC DISC located where the nerve fibers of the RETINA leave the eye and enter the OPTIC NERVE. This region is commonly called the BLIND SPOT.

The retina is an important layer of nervous tissue that covers the inside of the eye, in which the sensation of vision initiates.

Photoreceptors are specialized cells within the retina that respond to light stimuli. In the retina, there are two types of photoreceptor cells: cones and rods.

The blind spot is a small portion of the visual field of the eye that localizes in the optic disk within the retina.

There are no rods or cones (i.e. photoreceptor cells) within the optic disk.

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Answer:

Earthquakes, landslides, volcanic eruptions and natural bush fires all affect the many different ecosystems on our planet. Initially, these disasters negatively affect the biodiversity of wetlands, forests and coastal systems by causing the spread of invasive species, mass species mortality and loss of habitat.

Answer:

ahh......

where r the options??

Answer:

i dont know

Explanation:

Rumen biotechnology improves feed for ruminant animals by boosting the bioavailability of carbohydrates and protein in plants. It can be used to improve the nutritive value of ruminant feedstuffs.

Rumen biotechnology refers to the use and management of the techniques of forestomach fermentation in order to improve the efficiency of ruminant production.

Rumen biotechnology can be used to improve the amount as well as the availability of macronutrients (i.e., carbohydrates and proteins) in plants.

However, this technology (rumen biotechnology) exhibits several limitations mainly associated with the identification of bacterial strains used during inoculation, proteins (recombinant enzymes) and genomic stability of the genetic constructs.

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Answer:

mRNA: AUA CCA CUA CAC AUC

Protein: ILE PRO LEU HIS ILE

Answer:

In agriculture, rotational grazing, as opposed to continuous grazing, describes many systems of pasturing, whereby livestock are moved to portions of the pasture, called paddocks, while the other portions rest.

Explanation:

hehe ....

Answer:

Hydroxyl

Explanation:

Hydroxyl groups are simple structures consisting of an oxygen atom with two lone pairs bonded to a hydrogen atom.

A hydroxy or hydroxyl group is a functional group with the chemical formula -OH and composed of one oxygen atom covalently bonded to one hydrogen atom.

Using these given definitions, a hydrogen bond is labeled with one linkage, while a covalent bond is with two links to the Carbon Atom.

See attached image for a similar diagram for proof.

Answer:

1 answer is B

2 answer is c

3 answer is a

Explanation: hope this helps if it not right pls tell me

IV(intravenous) medication not very effective at treating infections at a burn

site because of the immunosuppression experienced as a result a systemic

inflammatory response

IV medication which contains antibiotics is given intravenously to burn

patients and it helps to prevent infections of of the body.

The IV medication won't perform at optimal level as a result of the immune

system being weak due to the systemic inflammatory response which is why

it isn't very effective.

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Answer: Cellular respiration and photosynthesis are considered a cycle because the product (end material) of one reaction serves as the starting material for the other reaction. The starting material for cellular respiration is sugar and water and the products are carbon dioxide and water.

Explanation: hope it helped

Answer:

Hampshire hogs are black with a white belt. They have erect ears. The belt is a strip of white across the shoulders that covers the front legs around the body. The Hampshire, which is a heavily muscled, lean meat breed, is the fourth most recorded breed of the pigs in the United States.

Explanation:

The Hampshire pig is a medium sized breed of pig. It has erect ears and black body, with a whitish band around the middle, covering the front legs. Body of the animal is well built with long legs and noses, making the breed popular for meat production.

Answer:

D. It is better for the cell if most molecules are prevented from

entering

Explanation:

Changes in an ecosystem may benefit one organism by removing predators while affecting the predator species negatively.

Changes that occur in an ecosystem may occur as a result of natural or man-made causes.

Changes in an ecosystem may have positive or negative effects on the interdependence of organisms in a specific habitat.

For example in an aquatic habitat where certain species of fishes like sharks depends on smaller fishes like salmon to survive, if humans were to reduce the salmon population by overfishing, the sharks will be negatively affected as they may have to migrate to new hunting grounds.

However, some other fishes that are prey to shark may be able to grow more with the reduction on shark population in that area.

Therefore, changes in an ecosystem may benefit one organism by removing predators while affecting the predator species negatively.

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THE TINY HOLES PRESENT IN THE LEAVE , THAT EXCHANGE THE GAS IS THE FUNCTION OF STOMATA.....