Which of the following is NOT found in the cell membrane:
Nucleic acids
Cholesterol
Proteins
Galactose
Phospholipids

The pros of GMO crops are that they may contain more nutrients, are grown with fewer pesticides, and are usually cheaper than their non-GMO counterparts. The cons of GMO foods are that they may cause allergic reactions because of their altered DNA and they may increase antibiotic resistance.

Today, those who directly see the most benefits from GMOs are farmers and agricultural companies. ... GMOs are also used to produce many medicines and vaccines that help treat or prevent diseases. Before GMOs, many common medicines had to be extracted from blood donors, animal parts, or even cadavers.

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Explanation:

There are multiple positive aspects of GMO, but it has many drawbacks as well. Genetically modified foods can become more resistant to disease, pests, and even natural disasters(floods, drought, etc.)

The following are the short statements matched with the associated with hemolymph.so option A is correct

A. Hemolymph - This refers to the circulatory fluid present in the hemocoel of mollusks, arthropods, and other invertebrates.

2. B. Nephrostome - It refers to the opening through which ciliated cells that line the coelom in mollusks and annelids remove wastes from the blood.

3. C. Trochophore - It refers to the ciliated larva that is characteristic of the annelids and some marine mollusks.4. D. Nacre - It refers to the iridescent inner layer of the shell of certain mollusks, especially oysters and abalones, used for ornamentation.5. E. Veliger - It refers to the free-swimming larval stage of most marine gastropods and bivalves, characterized by the presence of a ciliated band on the surface of the velum.

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Answer:

because the snow releases thermal energy from the atmosphere to melt.

Explanation:

Answer:

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Explanation:

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The end result of using the technique known as polymerase chain reaction (PCR) on a DNA fragment is that it amplifies small fragments of DNA.

The polymerase chain reaction (PCR), sometimes known as "molecular photocopying," is a quick and low-cost method for "amplifying" or copying tiny DNA sequences. Without PCR amplification, examinations of isolated fragments of DNA are almost difficult since considerable volumes of a sample's DNA are required for molecular and genetic analyses.

The DNA generated by PCR can be used in a variety of laboratory techniques after it has been amplified. For instance, PCR was a key component of most mapping techniques used in the Human Genome Project (HGP). A number of laboratory and clinical methods, such as DNA fingerprinting, the detection of germs or viruses (especially AIDS), and the identification of genetic abnormalities all benefit from the use of PCR.

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To gently combine a delicate mixture (beaten egg whites) with a solid material (flour mixture) is called stirring using the folding method.

The term "folding" in the context of cooking and baking describes the act of incorporating a light mixture into a heavier combination while preserving as much of the air as feasible. Typically, you'll find instructions for folding meringue or whipped cream into another concoction.

The folding method is used to delicately blend light and airy components with heavier combinations, such as batter, flour, or fruit purees, or when incorporating melted chocolate or butter into a batter.

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Answer: I completely agree with you that models are essential in understanding and predicting changes in global systems. By carefully analyzing data and trends over time, we can gain invaluable insights into complex patterns and make informed decisions that benefit everyone. This is especially important when dealing with climate change, economic fluctuations, and social movements, where accurate information and insights are essential for effective solutions. I believe that models are a valuable resource for anyone looking to make informed decisions when addressing the urgent challenges facing our world today.

Explanation:

The model is useful for explaining changes to global ecosystems being that every affected unit of the Earth is represented in the four spheres.

Ecosystems are rapidly changing in response to climate change and other global change drivers.

These global change drivers include;

The four spheres of the Earth including atmosphere (air), hydrosphere (water), geosphere (rocks and land), and biosphere (life) are all the affected components of the Earth, hence, a model on these four spheres is perfect for explaining the changes to global ecosystems.

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Answer:

Ice Ages

Explanation:

Scanning electron microscope (SEM) can be used to study the details of protein molecules present on the surface of a cell. These give a three-dimensional structure of the molecules. Thus, the correct option is A.

Scanning electron microscope (SEM) is a type of electron microscope, designed to directly study the surfaces of solid objects, that utilizes a beam of focused electrons of relatively low energy is scanned in a regular manner over the specimen to be observed.

Scanning electron microscopes use an electron beam to study samples with a resolution. The electrons are emitted from a filament and collect into a beam in the electron source. The beam is focused on the sample by a set of lenses in the column.

Therefore, the correct option is A.

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Your question is incomplete, most probably the complete question will be:

To study the details of protein molecules on the surface of a cell a biologist would most likely use a:

a. scanning electron microscope

b. transmission electron microscope

c. compound light microscope

d. dissecting microscope

Answer:

The correct answer is

3. Until equilibrium is reached.

Communities undergo succession for as long as it takes to reach a state of equilibrium, where the community is stable and balanced. This can take a long time, ranging from decades to centuries, depending on the specific community and the conditions present.

The process of succession involves a series of changes in the composition of the community, with different species gradually replacing each other until a stable, self-sustaining community is established. Long go refers to the time period over which succession occurs, which can be quite long depending on the specific circumstances.

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Explanation:

Answer: The answer is D

Answer: Without the Sun, these plants can’t get the energy they need to grow. The Sun is also the primary source of vitamin D for animals, which is essential for their growth. Vitamin D provides calcium, which helps form strong bones and teeth. Animals get vitamin D directly by exposure to the Sun or indirectly by eating plants.

Glad we could all help out!

Cholesterol is a type of lipid that is a crucial component of cell membranes in the human body. It is also a precursor to steroid hormones, which play important roles in the regulation of bodily functions such as growth and development, metabolism, and reproductive processes.

While cholesterol is necessary for proper bodily function, too much of it can be harmful. When too much cholesterol is present in the bloodstream, it can accumulate in the walls of the arteries and contribute to the development of heart disease.

Therefore, it is important to maintain healthy levels of cholesterol through a balanced diet and regular exercise. Cholesterol should not be seen as a dangerous fat that is absent from a healthy body but rather as an important substance that needs to be managed properly for optimal health.

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Answer:

B. Temperature

C. Sunlight

Explanation:

...

Answer: Sunlight, and Temperature

Explanation:

When a neuron receives a stimulus, several events occur in a sequential manner. The stimulus can be of various types, such as light, sound, touch, or chemicals. The neuron receives the stimulus through its dendrites, which are the branching extensions that receive signals from other neurons or external sources.

Once the stimulus reaches the dendrites, it causes a change in the membrane potential, which is the electrical charge difference between the inside and outside of the neuron. This change, known as depolarization, triggers the opening of ion channels on the cell membrane.
These ion channels allow positively charged ions such as sodium (Na+) and calcium (Ca2+) to enter the neuron, resulting in an influx of electrical current that propagates towards the axon hillock. This region of the neuron is responsible for integrating all the incoming signals and deciding whether to fire an action potential or not.
If the stimulus is strong enough to reach the threshold potential, which is around -55 mV, an action potential is generated. The action potential is a rapid and brief reversal of the membrane potential, which travels along the axon towards the synaptic terminals.
At the synaptic terminals, the action potential triggers the release of neurotransmitters, which are chemical messengers that cross the synaptic gap and bind to receptors on the target neuron or effector cell. This way, the stimulus is transmitted from one neuron to another or from a neuron to a muscle or gland cell, leading to a response or action.

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Answer:

ffvdhgnf

Explanation:

Answer:

cervical

Explanation:
The trigeminal nerve consists of: mandibular (V3), maxillar(V2) and ophtalmic nerve (V1)

A freshly laid egg takes about 21 days to hatch into a baby chicken. However, this can vary slightly depending on the breed of chicken, as some breeds may take a day or two longer or shorter to hatch.

During this incubation period, the egg needs to be kept warm and at a consistent temperature of around 99-100 degrees Fahrenheit. This can be done naturally by a mother hen sitting on the eggs, or artificially through an incubator. The egg also needs to be turned regularly to ensure that the developing chick doesn't stick to the inside of the shell.

Once the chick is ready to hatch, it will use a special egg tooth to break through the shell. This can take several hours and requires a lot of effort from the chick. Once it has hatched, the baby chicken will be wet and tired, and will need to rest and dry off before it can start exploring and learning how to be a chicken.

Overall, the process of a freshly laid egg hatching into a baby chicken is a fascinating and exciting one to watch, and it's incredible to see how much growth and development happens in just a few short weeks.

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The term 'CFU' stands for 'colony forming unit' in relation to enumeration techniques. This term refers to the unit of measurement used to quantify the number of viable microorganisms in a given sample.

CFUs are counted by observing the number of visible colonies that form on a growth medium after incubation. This method is widely used in microbiology to estimate the concentration of microorganisms in a sample and is particularly useful for quantifying bacteria and fungi that can grow on solid media.

The term 'CFU' in relation to enumeration techniques stands for "colony forming unit." It is a measure used in microbiology to estimate the number of viable microorganisms, such as bacteria or yeast, present in a sample. In this context, viable means that the microorganism is capable of reproducing and forming a visible colony.

Enumeration techniques, like the spread plate or pour plate methods, involve diluting and spreading the sample on agar plates, allowing the microorganisms to grow into distinct colonies. Each colony represents one CFU, which can be counted and used to calculate the original concentration of microorganisms in the sample. Therefore, the correct answer is option b. "colony forming unit."

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A cessation or interruption of functional circulation in the heart is cardiac arrest.

In general , during the cardiac arrest, the heart suddenly stops beating or beats too irregularly or weakly to pump blood effectively. This can lead to a lack of oxygen and nutrients to the body's vital organs, including the brain, which can cause permanent damage or death if not treated immediately.

Also  ,Cardiac arrest can be caused by various factors, including heart disease, trauma, drug overdose, electrocution, drowning, and respiratory failure. Treatment of cardiac arrest typically involves cardiopulmonary resuscitation (CPR) and defibrillation, which is the delivery of an electric shock to the heart to restore its normal rhythm.

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If pure water and a solution containing a nonpenetrating solute are separated by a membrane that is permeable only to water, osmosis will occur.

Osmosis is the movement of water molecules across a membrane in order to equalize the solute concentration on either side. As the solute molecules are unable to pass through the membrane, only the water molecules are allowed to pass. This results in the transfer of water molecules from the pure water to the solution containing a nonpenetrating solute, thus increasing the solute concentration on the pure water side and decreasing the concentration on the other side. In the end, equilibrium is achieved and the water molecules will stop moving.

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Answer:

Explanation:

Quá trình tiêu hoá và hấp thụ chất dinh dưỡng

Answer:The anesthesia has blocked the Inter-neurons from carrying signals to the brain.

Answer

Interneurons, brain

Explanation:

Got it right in test.

Answer:

we don tknow write yourself

The statement that is most likely true of the tomato plant population after all their tomatoes died from the same disease is that it had too little biodiversity. The correct answer is option a.

If all the tomatoes in the nursery died from the same disease, it suggests that the plant population lacked genetic diversity. When a population has low biodiversity, it means that the individuals share similar genetic traits and are susceptible to the same diseases or environmental challenges.

In this case, since all the plants succumbed to the disease, it indicates that they did not possess the genetic variation necessary to resist or fight off the pathogen effectively.

Having a higher level of genetic diversity within a plant population increases the chances of some individuals possessing genetic traits that provide resistance or tolerance to diseases. This diversity allows for a greater likelihood of survival in the face of diseases or other adverse conditions.

Therefore, the most likely explanation is that the tomato plant population had too little biodiversity, making them more susceptible to the disease.

So, the correct answer is option a. It had too little biodiversity

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Answer:

These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air). Each of these four spheres can be further divided into sub-spheres.

The required activation energy compare for the two reactions is that (D) Cellular respiration needs a smaller amount of energy to activate the reaction because the products are at a lower energy state than the reactants.

Chlorophyll absorbs energy from light (photons/quanta) to create ATP molecules in the process of photosynthesis, which is primarily an intricate endothermic mechanism. Both the creation of glucose and oxygen is aided by them.

In contrast to photosynthesis, respiration takes place in specialized organelles called mitochondria and is an exothermic activity. Numerous enzymes break down glucose in this step to generate energy that is then combined with ATP Synthase to create ATP molecules.

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Question correction:

Cellular respiration is an exothermic reaction and photosynthesis is an endothermic reaction. How does the required activation energy compare for these two reactions?

A.   Photosynthesis needs a higher amount of energy to activate the reaction because the products are at a lower energy state than the reactants.

B. Cellular respiration needs a higher amount of energy to activate the reaction because the products are at a lower energy state than the reactants.

C. Photosynthesis needs a smaller amount of energy to activate the reaction because the products are at a lower energy state than the reactants.

D. Cellular respiration needs a smaller amount of energy to activate the reaction because the products are at a lower energy state than the reactants.

Answer:

c.assembling parts of the virus