animals that maintain internal body temperature using heat generated by there own metabliulsims are called

Answer:

The three groups into which mammals are divided are monotremes, marsupials, and placentals.

Answer:

Monotremes, Marsupials, and Placental mammals.

Mono mammals lay eggs

Marsupials are developed in the stomach/pouch

Placental mammals are developed in the fetus/uterus.

Answer:

the nucleolus

Explanation:

In the eukaryotic cell, the subunits that make up ribosomes are synthesized in the nucleolus. Once formed, these subunits pass through nuclear pores and are functional only in the cytoplasm when the two subunits are attached to an RNA molecule. Ribosomes are machines for translation.

Answer:

Explanation:

Animals absorb oxygen which is a produced during photosynthesis

Answer:

Respiratory system, the system in living organisms that takes up oxygen and discharges carbon dioxide in order to satisfy energy requirements. In the living organism, energy is liberated, along with carbon dioxide, through the oxidation of molecules containing carbon.

A fatty substance produced by the liver and travels through the bloodstream is called cholesterol.

What is cholesterol?

Cholesterol is a type of fat-like substance found in the bloodstream, cells and tissues of all animals. It is essential for life, as it helps to build and maintain cell membranes and produce hormones. High levels of cholesterol can cause an increased risk of heart disease, stroke, and other health problems. Cholesterol is mainly produced by the liver, and can also come from certain animal-based foods like egg yolks, fatty meats, and full-fat dairy products. Eating a healthy diet and exercising regularly can help to lower cholesterol and reduce the risk of disease.

Therefore, A fatty substance produced by the liver and travels through the bloodstream is called cholesterol.

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In the buffer system, bicarbonate and hydrogen ions interact in a dynamic equilibrium.

What is a buffer system?

A buffer system is a solution used to maintain a relatively constant pH level in a solution. It is composed of a weak acid or base and its salt. The system works by releasing or absorbing hydrogen ions as needed to counteract any changes in pH, thus keeping the solution at a relatively constant pH.

When the concentration of hydrogen ions increases, the bicarbonate molecules react with them to form carbonic acid, which breaks down into water and carbon dioxide. At the same time, the carbon dioxide reacts with water to form carbonic acid, which then breaks down into bicarbonate and hydrogen ions, thus restoring the equilibrium. This process helps to maintain the pH of a solution by keeping the concentration of hydrogen ions relatively stable.

Therefore, bicarbonate and hydrogen ions interact in a dynamic equilibrium in the buffer system.

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The second line of defense against invading microbes includes phagocytic leukocytes, mucous membranes, and microbiota.

Phagocytic leukocytes are white blood cells that engulf and destroy pathogens, playing a crucial role in the immune response.

Mucous membranes are found in areas such as the mouth, nose, and respiratory tract, and they secrete mucus that traps microbes and helps prevent their entry into the body.

Microbiota refers to the community of beneficial microorganisms living on and in the human body, which compete with harmful microbes for resources, limiting their ability to cause infections.

It is important to note that the skin serves as a primary barrier against microbes, while antibodies are involved in the third line of defense, known as the adaptive immune response.

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Hershey and Chase demonstrated that DNA is the sole substance transmitted directly from bacteriophages into bacteria when the bacteria are infected by these viruses by utilizing radioactive labels that would integrate selectively into either DNA or protein but not both.

Alfred Hershey and Martha Chase began looking for genetic material in organisms in 1952. Their investigations proved unequivocally that DNA is genetic material. Bacteriophages (viruses that attack bacteria) were key to Hershey and Chase's experiment.

Proteins were assumed to be the molecules that carried genetic information for many decades. Several researchers' efforts resulted in the revelation that DNA is the genetic material. Griffith found the process of change along the road.

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Answer:

d ) nephrons

Explanation:

Answer:it drops a protein

Explanation:

Answer:

The answer is: D) Plasma Membrane.

Answer:

Krebs cycle

Explanation:

The Krebs cycle is a set of chemical events that all aerobic organisms employ to generate energy by converting acetate (which comes from carbs, lipids, and proteins) to carbon dioxide. There are various alternatives to the TCA cycle in theory, but it appears that the TCA cycle is the most efficient.

Answer: Mitochondria, using oxygen available within the cell convert chemical energy from food in the cell to energy in a form usable to the host cell. The process is called oxidative phosphorylation and it happens inside mitochondria. ... In heart muscle cells about 40% of the cytoplasmic space is taken up by mitochondria.

Explanation:

The process is called oxidative phosphorylation and it happens inside mitochondria. In the matrix of mitochondria the reactions known as the citric acid or Krebs cycle produce a chemical called NADH. NADH is then used by enzymes embedded in the mitochondrial inner membrane to generate adenosine triphosphate (ATP).

Hope it helps you

Statement 2, "The principle of superposition is a way to determine in numbers of years how old a rock is," does not apply to the principle of superposition.

The principle of superposition is a fundamental concept in geology. This principle is based on the understanding that sedimentary layers are deposited sequentially over time, with each new layer forming on top of the previous layers.

However, the principle of superposition does not directly provide a way to determine the numerical age of a rock in years. Instead, it establishes the relative ages of rocks within a given sequence. To assign numerical ages to rocks, geologists rely on additional dating methods, such as radiometric dating, which involves measuring the ratio of isotopes in a rock sample to estimate its age.

Statement 1 is accurate because the principle of superposition has indeed assisted geologists in developing the geologic time scale, which provides a chronological framework for Earth's history based on the relative ages of rocks.

Statement 3 is also valid as the principle of superposition can be illustrated using the layers of a cake or a sandwich, demonstrating the concept of younger layers being on top of older layers.

Statement 4 correctly summarizes the principle of superposition, emphasizing that, in an undisturbed sequence of sedimentary rocks, the youngest rocks are on top, while the oldest rocks are at the bottom.

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Answer:

C

Explanation:

That is a nitrogenous base that's paired with another one. You can think of them as rungs from a ladder.

Answer: Nitrogenous base

Explanation: None of the others make sense.

The line between the crust and mantle is known as the Mohorovicic Discontinuity, abbreviated Moho. This barrier is situated at a depth of the Earth's surface of about 2891 kilometres.

The boundary between both the crust and the mantle is currently known as the Mohorovii discontinuity, sometimes referred to as the Moho. It is a distinct leap in seismic wave velocity. As you are surely aware, the earth's surface and mantle are separated by the Mohorovicic Discontinuity. It would be constructed of many elements, including oxygen, iron, sodium, silicon, & aluminium. Rocks that make it up the Earth's crust & mantle would contain these elements.

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Answer:

They are all living creatures.... thats the only answer i think

Explanation:

Answer:

they all have cellwalls and yes they are also living creatures

Introns, although not present in the final translated portion of a gene, play significant roles in gene expression and regulation.

Introns, non-coding regions within a gene, have several important functions despite being spliced out during mRNA processing. One crucial role is promoting genetic diversity. Through a process called alternative splicing, introns allow for the generation of multiple mRNA isoforms from a single gene, leading to the production of different protein variants. This mechanism greatly expands the proteome's diversity, enabling cells to perform various functions and respond to different physiological conditions.

Furthermore, introns can influence mRNA stability and transport. Certain intronic sequences, such as RNA elements and binding sites for regulatory proteins, can impact mRNA stability, affecting its half-life and degradation rate. Additionally, introns may contain RNA elements that facilitate the transport of mRNA molecules from the nucleus to the cytoplasm, where translation occurs. Efficient mRNA transport is crucial for proper gene expression and protein synthesis.

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The endocrine gland responsible for secreting a hormone that increases blood calcium levels is the parathyroid gland.

This gland is comprised of four small, oval-shaped glands located on the posterior side of the thyroid gland in the neck. The hormone it secretes is called parathyroid hormone (PTH), which plays a critical role in regulating calcium levels in the body.

PTH is essential for maintaining a healthy balance of calcium, as it promotes the release of calcium from bones, enhances calcium absorption in the intestines, and stimulates the kidneys to reabsorb calcium from urine. By regulating calcium concentrations, PTH ensures the proper functioning of nerves, muscles, and other vital processes in the body.

In summary, the parathyroid gland secretes parathyroid hormone, which increases blood calcium levels by stimulating calcium release from bones, absorption in the intestines, and reabsorption in the kidneys. This regulation is crucial for maintaining the overall health and well-being of an individual.

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Answer:

I assume you are referring to bees?

Explanation:

From what I know and this is just surface level knowledge, she is the one who births the hive and usually designates their purpose once she has laid the eggs. She herself does not do much, she is just the one that the infrastructure of the hive follows in maintaining the hive itself. I hope this helps. Good luck!

Answer:

Sugar is made up of 6 Carbon, 12 Hydrogen, and 6 Oxygen.

So three different elements make up sugar.

Answer: The cell membrane is a fluid-mosaic made up of lipids, proteins, and carboyhdrates.

Answer:

The statements which are true in the case of zebra, giraffe, and plants are that energy is needed to power all cell processes and energy allows organisms to grow and reproduce.

Explanation:

Energy is considered to be an important element for the growth and survival of all living organisms including plants and animals. Energy is a must to generate power which is needed for the efficient functioning of all the cell processes. In addition, energy plays an important role in the reproduction of living organisms. For example, Plants go through the process of photosynthesis where they convert the carbon dioxide mixed with water into carbohydrates which provide energy for the growth and reproduction of plants.

Thus the statements that are true are energy is needed to power all cellular processes and that energy allows organisms to grow and reproduce.

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When an individual stops working out, muscles slowly lose strength.

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Answer:

Question 13:

B. False

The most abundant photoreceptors that detect dim light are Rods, not Cones. Rods are highly sensitive to low light conditions and are responsible for vision in dim light and peripheral vision. Cones, on the other hand, are responsible for color vision and high visual acuity but are less sensitive to low light conditions.

Question 14:

A. True

The iris is the muscular tissue in the eye that adjusts the size of the pupil, controlling the amount of light entering the eye. It contracts or expands to regulate the size of the pupil in response to changing light conditions.

Question 15:

B. False

Opsins are visual pigments found in photoreceptor cells, specifically in the retina of the eye. They are responsible for capturing light and initiating the process of vision. Opsins are not derived from Vitamin D. Vitamin D is a separate compound involved in various physiological processes in the body, including calcium absorption and bone health.

Explanation:

Answer:

a plasma membrane, also called a cell membrane, and cytoplasm.

Explanation:

DNA

Answer:

The cells of all prokaryotes and eukaryotes possess two basic features: a plasma membrane, also called a cell membrane, and cytoplasm. However, the cells of prokaryotes are simpler than those of eukaryotes. For example, prokaryotic cells lack a nucleus, while eukaryotic cells have a nucleus.DNA

Explanation:

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Answer:

Nutritionists deal with general dietary goals and habits, as opposed to dietitians, who are certified to diagnose eating disorders and develop diets to address particular medical problems. Schools, hospitals, cafeterias, long-term care institutions, and sporting groups all hire nutritionists.

To determine whether this population is in Hardy-Weinberg equilibrium, we need to compare the observed frequencies of the dominant and recessive traits with the expected frequencies based on the Hardy-Weinberg equation.

The Hardy-Weinberg equation predicts that in a large, randomly mating population with no evolutionary forces acting on it, the frequencies of alleles and genotypes will remain constant from one generation to the next.

The Hardy-Weinberg equation is: p^2 + 2pq + q^2 = 1, where p is the frequency of the dominant allele, q is the frequency of the recessive allele, p^2 is the frequency of homozygous dominant individuals, q^2 is the frequency of homozygous recessive individuals, and 2pq is the frequency of heterozygous individuals.

From the data provided, we can calculate the frequencies of the dominant and recessive alleles as follows:

Frequency of the dominant allele (p) = (100 + 325 + 250 + 25 + 42)/1000 = 0.742

Frequency of the recessive allele (q) = 1 - p = 0.258

Using these values, we can calculate the expected frequencies of the genotypes in the population:

Frequency of homozygous dominant individuals (p^2) = (0.742)^2 = 0.551

Frequency of heterozygous individuals (2pq) = 2(0.742)(0.258) = 0.384

Frequency of homozygous recessive individuals (q^2) = (0.258)^2 = 0.067

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Answer:

the answer is D lipid I think