scientist to distinguish between a bacterial cell and animal cell when viewed under a microspels

Answer:

the monomer units of DNA are nucleotides in the polymer is known as a polynucleotide each nucleotide consists of a 5-carbon sugar a nitrogen-containing base attached to the sugar and a phosphate group

Answer:

deforestation=the clearing or cutting down of trees

urbanization =  the movement of people from rural areas to cities

desertification = the process by which habitable land turns uninhabitable

The correct match for each term is given as Deforestation- the clearing or cutting down of trees. urbanization- the movement of people from rural areas to cities, desertification- the process by which habitable land turns uninhabitable.

Deforestation is the process of clearing forests for other uses, such as agricultural crops, urban sprawl, or mining operations.

Deforestation has been accelerated by human activity since 1960 and has a significant impact on natural ecosystems and biodiversity, as well as the climate.

Desertification occurs when vegetation in drylands (i.e., arid or semi-arid land, such as grassland or shrubland) diminishes and eventually disappears.

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answer.

earth

explane.

the Earth is always fastest because the is always rolling

Answer:

Mercury

Explanation:

Mercury is the fastest planet, which speeds around the sun at 47.87 km/s. In miles per hour this equates to a whopping 107,082 miles per hour. 2. Venuses the second fastest planet with an orbital speed of 35.02 km/s, or 78,337 miles per hour.

Answer:

Golgi body — receiving, sorting, and packaging cell materials for transport

Answer: Golgi body  - receiving sorting, and packaging cell materials for transport.

Explanation: The image shows several stacks of folded membranes called cisternae, which are most commonly seen in the Golgi body. It also depicts how a transport vesicle is received and then shipped out by the Golgi along the path of the blue arrow. THIS IS CORRECT TO THE PERSON THAT SAID WRONG TO THE OTHER PERSON THAT ANSWERED, SO THEY HAD IT RIGHT TOO Have a nice day. :)

The picture below provides the solution. Enlarge the text to read it.

Answer:

Cells come from preexisting cells.

Explanation:

This statement relates to the statement that cells divide to make new cells.

Dams preserve water, generate power, cause mass migration, and are expensive. Dams regulate water supply for domestic, industrial, and electric uses.

A dam is a structure that stops or slows the flow of water on the surface or in the ground.

Advantages of building a dam are:

Disadvantages are:

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Answer:  Shortly after a heavy meal, the glucose levels increase. This rise is detected by the liver, which releases the hormoneinsulin into the blood. Then cells in the pancreas release insulin, causing the body to absorb glucose from the blood and lowering the blood sugar level to normal.

Explanation:

The correct options are:

Lymph transports nutrients in the body.

Lymph circulates macrophages in the body.

In vertebrates, the lymphatic system, also known as the lymphoid system, is an organ system that is a part of the immune system and works in conjunction with the circulatory system. Lymphatic tissues, lymph nodes, lymphatic or lymphoid organs, and a vast network of lymphatic veins make up this structure. In the body, the lymphatic system, cholesterol is moved.

Because of this, their liquid color seems milk-like rather than translucent. The lymph node serves as a collection point for white blood cells, which aid in the battle against infection. Macrophages are one of the white blood cells. A hormone is not made by a lymph node. An antigen was a component of the microbe; it was not created by the body. Skin epithelial cells create the protein keratin.

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Answer:

Kidneys

Ureters

Bladder

Urethra

Explanation:

The kidneys are two bean-shaped organs that are located in the upper back, below the ribs. The kidneys filter the blood and remove waste products, such as urea, creatinine, and excess water.

The ureters are two thin tubes that carry urine from the kidneys to the bladder.

The bladder is a muscular sac that stores urine.

The urethra is a tube that carries urine from the bladder to the outside of the body.

These are the main parts of the urinary system.

Answer:

A beam leaf

Explanation:

Answer:

it's not possible till now bio science

An unfertilized egg cannot develop into a human.

Fertilization is the process by which the sperm of a male organism fuses with the egg of a female organism to form a zygote, which then develops into a whole organism.

This suggests that to develop into a full grown organism, it takes an egg to be fertilized by a sperm.

Therefore, an unfertilized egg cannot develop into a human.

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Sensory adaptation helps us to focus our attention on novel stimuli. So, option C is correct.

Our sensory receptors gradually grow less sensitive to ongoing or repetitive stimuli due to a process called sensory adaptation. This tendency enables us to filter away useless or irrelevant information from our environment and concentrate on stimuli that are more significant or unique.

For instance, while entering a new space, a variety of sounds, odours, and visual stimuli may initially overwhelm our senses. Our sensory receptors will eventually grow accustomed to these impulses and become less receptive, enabling us to pay attention to more significant or unusual stimuli, like someone speaking to us or an unexpectedly loud noise.

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Answer:

In reproductive biology, a hermaphrodite is an organism that has both kinds of reproductive organs and can produce both gametes associated with male and female sexes. Many taxonomic groups of animals (mostly invertebrates) do not have separate sexes. In these groups, hermaphroditism is a normal condition, enabling a form of sexual reproduction in which either partner can act as the female or male. For example, the great majority of tunicates, pulmonate snails, opisthobranch snails, earthworms, and slugs are hermaphrodites. Hermaphroditism is also found in some fish species and to a lesser degree in other vertebrates. Most plants are also hermaphrodites. A species having different sexes, male and female, is called gonochoric, which is the opposite of hermaphrodite.

Explanation:

Explanation:

the exosphere is the outermost layer of our atmosphere answer is d

Answer:   d

Explanation:

Answer:

d. mitosis is not regulated in tumor cells

Explanation:

Cancer cells are cancer because they have unregulated/ uncontrolled growth, and this happens when we have unregulated mitosis (which is cell growth/division)

Answer:

D

Explanation:

Cancer cells have more genetic changes compared to normal cells, it may be a result in cancer, but not all changes cause cancer.

when powered coal is heated, it undergoes thermal decomposition to form carbon monoxide and hydrogen gas as products A and B respectively. These gases have various industrial applications and are important feedstocks for chemical synthesis.

The picture shows that powered coal is being heated. This is a form of thermal decomposition reaction in which coal breaks down into simpler molecules due to the application of heat. The products formed as A and B are carbon monoxide and hydrogen gas respectively.
Carbon monoxide (CO) is a colorless, odorless gas that is toxic when inhaled. It is formed when carbon-containing substances are burned with insufficient oxygen. Carbon monoxide is used as a reducing agent in metallurgy, as a fuel gas, and as a feedstock for chemical synthesis.
Hydrogen gas (H2) is a colorless, odorless gas that is highly flammable. It is used as a fuel and as a feedstock for the production of ammonia, methanol, and other chemicals. Hydrogen gas can also be used as a reducing agent in metallurgy.

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Answer:

Option 2, i hope that helps instead of my last answer, lol

Answer:

Explanation:

One of the main differences between plants and fungi is that fungi have chitin as a component of their cell walls instead of cellulose. ... Fungi absorb all the nutrients they need from the soil unlike plants which require chlorophyll to conduct photosynthesis.

Hopes this helps tbh-

The statement that people who exercise for an hour may have lower cholesterol levels is a hypothesis. The cholesterol level would be the dependent variable.

In science, hypotheses are tentative statements made regarding natural phenomena. These statements are untested. They can be tested using relevant experiments.

Thus, hypotheses are usually made before relevant experiments are conducted.

Thus, in the illustration, the statement that people who exercise for an hour may have lower cholesterol levels is considered a hypothesis.

Also, in experiments, there are different types of variables:

Independent variables are supplied by researchers and can be manipulated to produce different outcomes.

Dependent variables are a measure of the effects of the independent variables.

Thus, in the illustration, the level of exercise is the independent variable. The variable that the exercise was hypothesized to affect is the cholesterol level. Meaning that cholesterol level is the dependent variable.

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Many of them are even pushed to poverty. The best solution to deforestation is to regulate and control the felling of trees by enforcing a series of rules and laws to govern it.

Deforestation is the removal of forests, typically to use the cleared land for agricultural or urban development purposes. Deforestation has several adverse effects, including soil erosion, loss of biodiversity, and climate change. As a result, it is critical to control the felling of trees.

A series of regulations and laws governing deforestation may be established by enforcing the felling of trees to reduce the negative impacts associated with it. To guarantee that trees are harvested sustainably, these guidelines should cover matters such as who can log, where logging can take place, and how much timber may be harvested.

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Answer:

Populations

Explanation:

It cannot change individuals. This is because it happens over many generations. E.g. Peppered moths camouflage with bark. Black moths do not, so they are easily seen by predators. The black moths are eaten because they do not have a desirable trait for survival. The black moths cannot then pass on the trait for black wings to their offspring. However, the peppered moths can pass on their trait for peppered wings to their offspring. Overtime, the population of black moths will decrease and most of the population will have peppered wings. The trait for peppered moths will be present even after many generations and black moths will be rare.

Cells move substances from an area of low concentration to an area of high concentration through the process of active transport.

Active transport requires the use of energy, typically in the form of ATP (adenosine triphosphate), to move substances against their concentration gradient. This is done through the use of protein pumps, which are embedded in the cell membrane and use the energy from ATP to pump substances across the membrane.

One example of active transport is the sodium-potassium pump, which pumps sodium ions out of the cell and potassium ions into the cell, both against their concentration gradients. This helps to maintain the proper balance of ions inside and outside of the cell, which is important for proper cell function.

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A) The ecosystem can support fewer foxes than grasshoppers.

An energy pyramid is also called ecological pyramid. It is a graphical representation of the energy that are found within the trophic levels of an ecosystem. The largest level of the pyramid is the producers that is present at the bottom and the shortest level is present on the top of the pyramid which is tertiary consumer that have very low in population. This make the structure like a pyramid. We know that the size of the fox is bigger than grasshopper so more energy is needed by the fox which causes fewer foxes can survive in the ecosystem.

So we can conclude that the ecosystem can support fewer foxes than grasshoppers.

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The primary mechanism by which the outer ear amplifies incoming sound is through the funnel-like shape of the ear canal. This shape helps to collect and direct sound waves toward the eardrum, which vibrates in response to the sound.

The primary mechanism by which the outer ear amplifies incoming sound is through the funnel-like shape of the ear canal. This shape helps to collect and direct sound waves toward the eardrum, which vibrates in response to the sound. This vibration then sets off a chain reaction in the middle and inner ear that ultimately leads to the brain processing the sound. Additionally, the outer ear also plays a role in enhancing certain frequencies of sound through resonance, which can further amplify the sound.

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Okay bud. have a nice day B)

The process that is most likely going to occur in the swimmer's muscle cells during the competition is C. The cell membrane folds to surround a substance and bring the substance inside the cell during exocytosis.

The main molecule for storing and transferring energy in cells is adenosine 5'-triphosphate (ATP). It is frequently referred to as the cell's energy currency and is like the money that is kept in a bank.

The ATP (Adenosine triphosphate) will be impaired if the swimmer is unable to breathe in enough oxygen to power through the sprint. The body will employ anaerobic respiration to make ATP under these circumstances. Without oxygen, anaerobic respiration takes place. In the respiratory cycle, it substituted the electron acceptors for oxygen. However, anaerobic respiration produces less ATP than aerobic respiration.

Therefore, the cell membrane folds to surround a substance and bring the substance inside the cell during exocytosis.

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The cell containing the inclusions indicated by the arrows is often associated with Alder anomaly.

The correct option can be determined by

1. Albinism: This condition is characterized by a lack of pigmentation in the skin, hair, and eyes. It is not associated with inclusions in cells.
2. Severe burns: These cause damage to the skin and underlying tissues but are not associated with specific cellular inclusions.
3. Alder anomaly: This is a rare lysosomal storage disorder characterized by the accumulation of granules in cells, often seen as inclusions indicated by arrows in microscopic images.

Thus, the single best answer is Alder anomaly.

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Answer:

Once the oxygen diffuses across the alveoli, it enters the bloodstream and is transported to the tissues where it is unloaded, and carbon dioxide diffuses out of the blood and into the alveoli to be expelled from the body. Although gas exchange is a continuous process, the oxygen and carbon dioxide are transported by different mechanisms.

Transport of Oxygen in the Blood

Although oxygen dissolves in blood, only a small amount of oxygen is transported this way. Only 1.5 percent of oxygen in the blood is dissolved directly into the blood itself. Most oxygen—98.5 percent—is bound to a protein called hemoglobin and carried to the tissues.

Hemoglobin

Hemoglobin, or Hb, is a protein molecule found in red blood cells (erythrocytes) made of four subunits: two alpha subunits and two beta subunits (Figure 20.19). Each subunit surrounds a central heme group that contains iron and binds one oxygen molecule, allowing each hemoglobin molecule to bind four oxygen molecules. Molecules with more oxygen bound to the heme groups are brighter red. As a result, oxygenated arterial blood where the Hb is carrying four oxygen molecules is bright red, while venous blood that is deoxygenated is darker red.

Answer is below got it right 5/5 on PLATO

Answer:

The intersection of branching nerves can be found in the submucosa layer of the gastrointestinal (GI) tract. The submucosa is a layer of connective tissue that contains blood vessels, lymphatic vessels, and nerve fibers. The nerves in the submucosa branch out and form a network called the submucosal plexus or Meissner's plexus. This plexus controls the secretions of the glands in the mucosa and the contractions of the muscularis mucosae.

Answer:

Muscularis

Explanation:

Took the test and got it wrong with the answer "mucosa", the correct answer is "Muscalaris"