Identify all of the sinks for the CO2.

Answer:

The lipids and proteins that make up the membrane allow it to be selective about what enters and leaves the cell.

Explanation:

The cell membrane is double membranous which is a phospholipid bilayer. It is selectively permeable to only few substances because of the presence of lipids and integral proteins present in it. While lipid bilayer allows direct entry of only fat soluble substances like steroid hormones, fat soluble vitamins etc., the integral/embedded proteins present in the bilayer in the form of receptors, channels and pumps allow the entry of nutrients, ions, wastes etc. But, entry of some substances like water, glucose etc. hardly pass through the cell membrane.

Answer:

C

Explanation:

The answer is Light is created by vibrations in electric and magnetic fields. I chose this & got correct on test

Answer:

The correct answer will be option in which mutation is observed in the legs of the frog.

Explanation:

The mutation is a change which takes place in the sequence of DNA. When it takes place in the segment of DNA which can code the trait, it is expressed in the trait.  

These mutation can prove beneficial to the organisms but can also become lethal to the organisms like the one with a mutation in legs of the frog as the legs of the frog helps provide the ability to move as well to swim in the water. if the legs will show a trait of mutation, the frog will not be able to swim and move properly.  

Thus, option in which mutation is observed in the legs of the frog is the correct answer.

The presence of Piophila casei and bone-eating beetles on a body could indicate a post-mortem interval of several days to weeks, as these are species associated with later stages of decomposition. By examining the specific insect species and their stages of development, forensic entomologists can more accurately estimate the time of death.

If one found Piophila casei (cheese skipper flies) and bone-eating beetles on a body, it could suggest a specific timeframe since the individual's time of death. Piophila casei is known to be involved in the latter stages of decomposition, and the presence of bone-eating beetles, which tends to indicate a period of weeks into the decomposition process, can help to narrow down the timeline even further. Forensic entomology is the field that studies how insects can help in determining the post-mortem interval (PMI), which is the time elapsed since a person has died.

Flies, such as those in the Calliphoridae family, are usually the first to arrive at a decomposing carcass and lay eggs, often within minutes or hours after death. Over time, these eggs hatch into larvae and grow at a steady pace, and the development stage of these larvae can provide a minimum PMI. Beetles, with their longer life cycles, can cross-validate this evidence and expand the time frame to span over several weeks of decomposition.

The ecological succession of insects on a carcass starts with initial colonizers like blow flies and progresses through a predictable sequence that includes various beetle families. Over time, the body will attract different insect species according to the stage of decomposition, which is known to forensic scientists as 'ecological succession'. By analyzing this succession and the specific stages of insect development, a more accurate estimation of the time of death can be achieved.

Use food labels to check the percent daily values (% DV) for iron and choose foods that are high in iron or iron-fortified. The DRIs provide age- and gender-specific recommendations for daily iron intake. Consuming vitamin C with iron-rich foods increases absorption.

The student has asked how to use food labels and Dietary Reference Intakes (DRIs) to ensure adequate iron intake. Boys and girls aged 9 to 13 require 9 mg of iron daily, girls 14-18 require 15 mg, boys 14-18 require 11 mg, and pregnant women need 27 mg. Food labels and the percent daily values (% DV) help identify the amount of iron in foods. Iron-fortified foods like breakfast cereals contain added iron, often as 'reduced iron' or fine metallic iron powder, which is converted to Fe²+ in the body. Consuming vitamin C alongside iron-rich foods enhances iron absorption. It's important to note that while some protein sources are high in iron, they can also be high in fat.

Answer: your answers are A,D,And E

Explanation:

The correct answer is C).

In this process, pollen tube delivers pollen from the male cone to the female gametophyte, where fertilization occurs, leading to the formation of a zygote and eventually an embryo enclosed in a seed coat.

Answer:

memory

Explanation: got it right for the study island

The answer is similarly; similar environments.

Answer:

C)

Translates mRNA into a specific amino acid chain.  

Explanation:

Answer:

c. lactose intolerance on edg.

Based on the given information, Maria is likely suffering from lactose intolerance.

Lactose intolerance is a digestive disorder characterized by the body's inability to fully digest lactose, a sugar found in milk and dairy products. It occurs when the small intestine doesn't produce enough lactase, an enzyme responsible for breaking down lactose into simpler forms that can be absorbed into the bloodstream.

When a person with lactose intolerance consumes lactose-containing foods or beverages, they may experience symptoms such as bloating, abdominal pain, diarrhea, and gas. These symptoms typically occur within a few hours after consuming lactose. The severity of symptoms can vary among individuals, with some being more sensitive to lactose than others.

Lactose intolerance is different from a milk allergy, which is an immune system response to proteins found in milk rather than the lactose sugar. It is important to note that lactose intolerance is a common condition and is not life-threatening. Many people manage their symptoms by reducing or avoiding lactose-containing products or by taking lactase supplements before consuming such products.

Diagnosis of lactose intolerance is typically done through a combination of medical history, physical examination, and lactose intolerance tests. If someone suspects they have lactose intolerance, it is advisable to consult a healthcare professional for an accurate diagnosis and guidance on managing the condition.

Learn more about lactose intolerance, here:

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A refrigerator works by absorbing heat from its interior and expelling it outside, using a coolant that vaporizes to capture heat and then is compressed to release it. This process requires work, electrical energy, and follows the conservation of energy principle, where the coefficient of performance measures efficiency.

A refrigeration system, such as that found in a household refrigerator or freezer, conducts heat transfer by absorbing heat from within its insulated compartment (in this context, referred to as the cold reservoir) and expelling it to the surrounding environment (the hot reservoir). The system operates by using a coolant, which has a boiling point lower than the freezing point of water. This coolant captures heat from the refrigerator's interior during the evaporation process causing it to vaporize. Afterward, it is compressed—which requires work (W)—and transferred through the condenser, where it releases the absorbed heat to the outside air.

The conservation of energy principle is respected throughout this process, as the work done on the coolant (which we observe as electricity usage on our bill) facilitates the transfer of thermal energy against the natural direction of flow (from colder to warmer). The efficiency or coefficient of performance (COP or KR) of a refrigerator evaluates the ratio of the heat removed from the inside to the work input required to accomplish this task.

Overall, for the duration in which the refrigerator door remains closed, the refrigeration system continuously cycles the coolant to maintain a stable low temperature, thus keeping the food within preserved. The transfer and transformation of energy in this form are an intentional exception to the rule of spontaneous heat flow from hotter to cooler areas, being facilitated by external work input.

Answer: Plants would not be able to synthesize glucose.

Explanation:

The photosynthesis requires carbon dioxide, water in the presence of sunlight to converted into glucose and release oxygen into the environment.

The If carbon dioxide would not be available during this process then the glucose would not be synthesized.

If there will be no glucose in the plants then the plants would die without food. The other organism would also die because the plant provide food to them.

Excessive runoff can be problematic as it can lead to soil erosion, water pollution, and flooding. It can carry pollutants from farmland and urban areas into water bodies, damaging aquatic ecosystems and causing health problems for humans. Also, it can cause flooding and damage properties and endanger lives.

Runoff, particularly when it becomes excessive, can cause several problems. For instance, it can lead to soil erosion, which degrades arable land, reducing its agricultural productivity.

Runoff can also carry pollutants (like pesticides and fertilizers from farmland and waste materials in cities) which end up contaminating water bodies such as rivers, streams, and eventually, oceans. This phenomenon, known as water pollution, can have detrimental effects on aquatic ecosystems and human health.

Additionally, excessive runoff can cause flooding, a serious risk to both property and lives in areas prone to this kind of event.

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Answer:

Embryophyte also known as  land plants are the plants, in which zygote develops into an embryo and includes includes gymnosperms, angiosperms, bryophytes and  pteridophytes.

Spermatophyte also known as phanerogams are the plants that forms seeds (sperma) rather than spores like gymnosperms (naked seeded plants) and angiosperms (seeds enclosed in ovary wall).

Answer:

c

Explanation:

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