Which statement describes the function of the plasma membrane?

A, it converts glucose into ATP, an energy molecule.
B, it recognizes substances and other cells it comes in contact with.
C, it transfers RNA to ribosomes to make proteins.
D, it makes phosphates hydrophilic.

The Earth's seasons are caused by the tilt of its axis, not by the Earth's distance from the Sun. It takes 365.25 days for the Earth to complete its revolution around the Sun. During this revolution, the tilt causes different regions of the Earth to receive varying amounts of sunlight, leading to the seasons. For example, when the Northern Hemisphere is tilted towards the Sun, it experiences summer, and when tilted away, it experiences winter.

The 23.5° axis tilt of Earth is responsible for the seasonal changes we experience. In the summer months, the hemisphere tilted towards the Sun gets more direct sunlight and longer days, resulting in warmer temperatures. Conversely, during the winter, the same hemisphere is tilted away from the Sun, leading to shorter days with less direct sunlight and cooler temperatures. Rotation refers to Earth spinning on its axis, which occurs once every 24 hours, resulting in day and night, while revolution is Earth's orbit around the Sun, causing the seasons. During equinoxes, every place on Earth experiences approximately equal day and night because the Earth's axis is not tilted towards or away from the Sun.

Recessive genes are expressed when an organism inherits two copies of a recessive allele for a specific trait only in the absence of a dominant allele. This concept, first developed by Gregor Mendel, helps us predict how genes can be inherited and expressed.

Recessive genes are expressed when an organism inherits two copies of a recessive allele for a specific trait. This concept of dominant and recessive genes was first proposed by Gregor Mendel, a scientist renowned for his work on pea plants. In his study, Mendel used big and small letters (like TT, tt, and Tt) to represent dominant and recessive alleles.

For instance, in the case of Mendel's pea plants, a tall pea plant could be homozygous (TT) or heterozygous (Tt), both resulting in a tall plant due to the presence of a dominant allele. However, a dwarf pea plant is always homozygous (tt) as its dwarfism can only be expressed in the absence of the dominant tall gene.

To answer the question, recessive genes are expressed under the condition, 'Only in the absence of dominant genes for the same trait' (Option D).

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The right answer is B) heterozygous.

Sickle cell disease is a genetic, inherited disease affecting red blood cells, in which a child can be ill only if both parents are transmitters (at least heterozygous, carrier of the trait), ie asymptomatic carriers of the gene for sickle cell disease. It is a hereditary autosomal recessive disease, that is, it affects girls as well as boys, and only manifests itself when one carries two genes of the disease (homozygous). This disease is genetic and therefore not contagious.

The right answer is B active immunity.

For information, there is no complete immunity and incomplete immunity in immunology.

Active immunity is a form of immunity that protects the body through the production of antibodies when exposed to a first infection or vaccination.

This type of immunity is persistent. Example of measles: previously safe measles viruses are applied during vaccination.

Answer:

B active immunity

Explanation:

During G1, the DNA molecule is called CHROMATIN. This molecule (DNA) looks like tangled strands of spaghetti.

In conclusion, during G1, the DNA molecule is called CHROMATIN. This molecule (DNA) looks like tangled strands of spaghetti.

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One of the most crucial systems in the body is the neurological system, followed by the circulatory system. Together, they support the body's healthy operation.

The neurological system is in charge of transmitting signals to the cells in order to govern their activities, whereas the circulatory system is in charge of supplying oxygen and nourishment to the body's cells. The neurological system's ability to operate is significantly influenced by the circulatory system.

The nervous system receives oxygen and nutrients from the circulatory system, which are essential for the nerves' healthy operation. The nerves' ability to communicate with the cells would be compromised without these vital nutrients.

Additionally, the circulatory system aids in clearing the nervous system of waste materials that can accumulate. to build up and harm the nerves. The control of body temperature also involves the vascular system. By moving heat to portions of the body that are too cold and away from areas that are too hot, the circulatory system aids in controlling the body's temperature.

As the nerves must be at a specific temperature in order to send signals efficiently, doing this helps to ensure that the nervous system is functioning as it should.

In conclusion, the neurological system's ability to operate depends in large part on the circulatory system. It helps to eliminate waste products from the neural system and provides the vital nutrients and oxygen the neurological system needs. Additionally, it assists in controlling body temperature for the functioning of body.

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A. Is the answer Up and down all forces are balanced. The force toward the right is greater than the force toward the left. The object will move toward the right.

Answer:A. Is the answer Up and down all forces are balanced. The force toward the right is greater than the force toward the left. The object will move toward the right.

Explanation: Pls give me brainliest also I did the quiz

Cats often claw gently while showing affection, a behavior stemming from kittenhood when they kneaded their mother's belly for milk. As adults, kneading can also mark territory and maintain claw health. Overstimulation may cause more harmful clawing, so understanding cat body language is crucial.

When cats claw at their human companions in a gentle manner, it is often a sign of affection. This behavior, known as 'kneading', involves the cat pushing in and out with its paws, sometimes with extended claws. This action originates from kittenhood when they knead their mother's belly to stimulate milk flow. As adult cats, this comforting behavior is associated with the contentment they felt as kittens.

Cats also use their claws to communicate and explore their environment. They have scent glands between their paw pads, so when they scratch or knead, they are marking their territory. Additionally, scratching helps cats to maintain the health of their claws by removing the outer layers and stretching their muscles.

However, if a cat is actually clawing in a way that causes harm, it can be a sign of overstimulation or distress. Recognizing a cat's body language, such as a twitching tail or flattened ears, can help avoid such situations.

The kinetic energy, thermal energy, and temperature of a substance DECREASE when the particles in the substance slow down.

Kinetic energy can be defined as energy in motion (movement), which is contrary to potential energy.

In conclusion, the kinetic energy, thermal energy, and temperature of a substance DECREASE when the particles in the substance slow down.

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Answer:

Option C

Explanation:In a controlled experiment, only one independent variable is the only factor that is to be adjusted, while the dependent one acts as the factor that the independent variable will affect.

The right answer is the size.

Crystallization is the operation that consists, of a solution (solvent + solute) or a molten solid, to form a crystallized solid. The solute crystallizes in general in a predefined geometrical form (cubic, face-centered cubic, etc.), including or not solvent molecules (eg pure NA2SO4 or [Na2SO4, 10H2O]). The form or chemical formula of the crystals may depend on the crystallization temperature.

There are two ways of crystallization: The dry way and the wet way (in solution)

In crystallization in solution: the solute is initially in the liquid phase in a solvent. It is crystallized (solidification ordered according to a regular structure) within the solution either by solvent evaporation, or by cooling the solution, or both.

It is Exothernmy. I took the test just now.

Answer:

The matter that is not consumed by the consumers in the food chain becomes a detritus, which means waste or the materials that are uneaten by the consumers. These materials are left to be decomposed, it is then broken down by decomposers such as fungi and bacteria into simple compounds. It is often considered as a missing mass while measuring the mass in the food chain.

In a food chain, matter that is not used by consumers typically becomes waste and is broken down by decomposers. This matter is then recycled into the ecosystem, serving as nutrients for primary producers, thus sustaining the food chain's continuity.

A food chain represents the flow of energy and nutrients through an ecosystem. At each trophic level, certain amounts of matter and energy are consumed, but not all of it is used for growth and reproduction. The leftover or undigested material becomes waste, which is crucial for the decomposers. Decomposers such as bacteria and fungi break this waste down into simpler substances that become available to primary producers, like plants. These producers use nutrients from the decomposed matter to grow and produce energy via photosynthesis, starting the cycle anew. This process is fundamental to the ecosystem's health, maintaining the balance between the various trophic levels and ensuring the sustainability of the environment.

The process of osmosis is modeled in the cell diagrams seen here.