How are birds and reptiles more similar based on their adult features? cer

The cells of all the living things contain proteins which are regulated by the sequence of DNA present in cell. The DNA contain nitrogenous bases which decides the amino acids which makes the DNA.

Protein synthesis is known as translation. In this process, the amino acids which are coded by specific sequences in DNA polymerize to form proteins. This process takes place in the ribosome of cell.

Protein synthesis involves the binding of mRNA and tRNA on the ribosomes of rough endoplasmic reticulum which facilitates polymerization of amino acids specific to the sequence of DNA present in the nucleus.

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Answer:

Both respiration and photosynthesis include energy conversion through biochemical reaction

Both utilize and produce ATP in reations which are carried out by the membrane and controlled by the enzymes

Differences

Photosynthesis converts water and carbon dioxide to oxygen and glucose...

while respiration converts glucose and oxygen into carbon dioxide

Answer:

The answer is b

Explanation:

Actin won't bind to myosin in H region since myosin heads are responsible for forming cross-bridges, which lowers the tension in the  myofiber by limit it's shortening when muscle contraction occur.

Isometric muscular contractions are used to produce shock absorption and stability whereas eccentric muscle contractions (lengthening contractions) are used to resist or postpone motion. Concentric muscle contractions (shortening contractions) are often used to generate motion.

Actin filaments move along myosin filaments throughout muscle contraction. This is driven by the heads of the myosin molecules, which bind to actin and 'walk' along the actin filament in a sequence of binding and release movements. The hydrolysis of ATP drives this repeated binding and release.

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The limit to the amount of shortening that can occur in a sarcomere during muscle contraction is due to the fact that the myosin and actin filaments can only overlap so much.

Actin filaments are protein polymers that form part of the cytoskeleton of eukaryotic cells. They are composed of two strands of globular actin proteins that are twisted together in a helical structure. Actin filaments are essential for the cell’s ability to move, change shape, and divide. The filaments are involved in a variety of cellular processes such as cytokinesis, cell motility, and endocytosis. They are also involved in the formation of cell junctions, such as adherens junctions and tight junctions. Actin filaments are dynamic structures, constantly changing in length and shape, and are regulated by actin-binding proteins and other mechanical forces.

As the myosin filaments slide past the actin filaments, they form a cross-bridge, which pulls the actin filaments toward the center of the sarcomere. However, when the myosin and actin filaments have overlapped as much as possible, further shortening of the sarcomere cannot occur. This is because the myosin heads can no longer form cross-bridges with the actin filaments, preventing them from sliding any further. This is the limit of the amount of shortening that can occur in a sarcomere during muscle contraction.

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Answer: becteria

Explanation:

pasteur diveded micro-organisms in to severel group of and control groups.

Food moves through the digestive tract primarily by peristaltic contractions of smooth muscle (Option A).

Peristаlsis is а series of wаve-like muscle contrаctions thаt move food through the digestive trаct. It stаrts in the esophаgus where strong wаve-like motions of the smooth muscle move bаlls of swаllowed food to the stomаch. There, the food is churned into а liquid mixture cаlled chyme thаt moves into the smаll intestine where peristаlsis continues.

Stretching out а piece of the intestine will mаke it eаsier to see the wаve-like motion. The motion mixes аnd shifts the chyme bаck аnd forth. This lets the bloodstreаm аbsorb nutrients through the wаlls of the smаll intestine.

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During prophase, the parent cell will have 48 chromatids. This is because during interphase, the DNA replicates, resulting in each chromosome consisting of two sister chromatids.

Therefore, if the parent cell has 24 chromosomes, it will have a total of 48 chromatids during prophase.

Regarding the major difference between plant cells and animal cells, the most accurate statement is: "Only plant cells have a cell wall." Plant cells have a rigid cell wall made of cellulose, which provides structural support and protection to the cell. Animal cells, on the other hand, do not have a cell wall. Hence option D is correct.

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Answer:

The cell membrane is selectively permeable and able to regulate what enters and exits the cell, thus facilitating the transport of materials needed for survival. ...

Explanation:

Because the membrane acts as a barrier for certain molecules and ions, they can occur in different concentrations on the two sides of the membrane.

Answer:

C) Apoptosis

Explanation:

Fine hair takes color faster because, in fine hair, the melanin granules are more tightly packed together.

Because coarse hair typically needs more time to absorb color, its timing is longer. Because fine hair absorbs color more quickly, the application time is shorter. Color may also quickly absorb into dry or permed hair. Insufficient processing time, or the hair color's inability to adhere for a sufficient amount of time, is a common cause of rapidly fading colors. If either you or your client has gray hair, this is especially true. The cuticles of grey hair are tightly packed and take longer to open and absorb the molecules of artificial hair color.

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Answer:

we need the answers

Explanation:

Answer:

Many predators have adaptations that help them survive in the wild.  For example, the snake shown below has camoflauge coloring to look like its surroundings.  This gives it the element of surprise when going to attack its prey.  These adaptations help the predator in hunting for food.  Predators have "weapons", or adaptations, that help them hunt and kill prey. Predators' three main "weapons" are teeth, claws, and jaws.  The lion below has all 3 of these "weapons" or adaptations that are used for catching its prey. A lion has sharp claws for catching and grabbing hold prey such as a zebra, and strong jaws and teeth for biting and killing the zebra and for ripping off and chewing the meat.

Explanation:

Hope this helps.

Answer: OK!

Explanation: Osmoregulation is the active regulation of the osmotic pressure of an organism's body fluids, detected by osmoreceptors, to maintain the homeostasis of the organism's water content; that is, it maintains the fluid balance and the concentration of electrolytes (salts in solution which in this case is represented by body fluid) to keep the body fluids from becoming too diluted or concentrated.

Hope i helped! :D

Answer:

I don’t know

Explanation:

Answer:

The awnser is B

Explanation: no explanation

The fact that determines the type of feedback is "How the body responds to a change?" Thus, option B is correct.

A feedback has been known as the  process where a system responds to an external or internal stimulus. There are two major types of feedback in a system, they are negative and positive feedback or we can say that there are two types of feedback is there one is positive feedback and another one is negative feedback.

Positive feedback is a type of response that occur when an output or response is an enhancement of the input. It's output moves further away from equilibrium. A negative feedback occur when a fraction of the output is fed back to the system to control fluctuation of other output.A feedback has been known as the  process where a system responds to an external or internal stimulus.

Therefore, The fact that determines the type of feedback is "How the body responds to a change?" Thus, option B is correct.

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The big idea of the Flame Test lab is to demonstrate the characteristic colors emitted by different metal ions when heated in a flame.

The Flame Test lab is a common chemistry experiment used to identify and distinguish between different metal ions based on the color of the flames they produce when heated.

The characteristic colors observed in the flame result from the excitation of electrons in the metal ions to higher energy levels, followed by their subsequent relaxation back to lower energy levels, accompanied by the emission of light.

The colors emitted by different metal ions are unique and can be used to identify the presence of specific metals in a sample. The Flame Test lab provides a visual demonstration of the relationship between the colors observed in the flame and the identity of the metal ions present in a sample, and it is widely used in chemistry education and analytical chemistry to teach about the properties of different metal ions and their spectroscopic characteristics.

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Answer: Produces genetic variation within the offspring. the species can adjust to unused situations due to variety, which gives them a survival advantage. a infection is less likely to influence all the people in a populace.

Explanation:

Answer:A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses.

Explanation:

La respuesta correcta para esta pregunta abierta es la siguiente.

Desafortunadamente, se te olvidó incluir el cuadro. Sin el cuadro, no sabemos que lo que te estás refiriendo.

A pesar de que se te olvidó incluir la información que es determinante para responder a tu pregunta, hicimos una investigación exhaustiva para encontrar la información que nos ayude a responder tu pregunta.

Así que, estos son nuestros comentarios.

En la etapa "G1", la célula irá duplicando su tamaño y los organelos van aumentando proporcionalmente, así como las enzimas y los demás organismos que ahí se encuentran. El tiempo de duración es de 12 horas y los materiales genéticos son 2n y 2c.

En la etapa "S," las proteínas asociadas y el ADN se duplican. La célula cuenta en este momento con dos copias de la información genética. El tiempo de duración es de 6 a 8 horas y los materiales genéticos son 2n y 4c.

En la etapa "G2" empiezan a formarse las estructuras que se necesitan para comenzar al división. Comienza la condensación de cromosomas. El tiempo de duración es de 3 a 4 horas y los materiales genéticos son 2n y 4c.

The best strategy to achieve the highest total species richness in a conservation area would be to prioritize the protection and restoration of the most diverse habitats and ecosystems, as well as implementing measures to control invasive species and promote connectivity between different areas.

Species richness refers to the number of species present in a particular area, and it is influenced by factors such as habitat diversity, ecosystem health, and the presence of invasive species.

Therefore, a conservation area manager who wants to maximize species richness should focus on protecting and restoring the most diverse habitats, such as wetlands, forests, and grasslands, and ensuring that they are healthy and connected.

Additionally, it is important to control invasive species that can outcompete native species and disrupt ecosystem processes. Finally, the manager can promote biodiversity by creating corridors and stepping-stones that connect different areas, allowing species to move and colonize new habitats.

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Answer:

We need to eat and drink to survive, and so do our cells. Using a process called endocytosis, cells ingest nutrients, fluids, proteins and other molecules.

Explanation:

The phenomenon that is demonstrated in this example is adaptation to external stimuli. That is option C.

Adaptation is defined as the ability of an organism to adjust to its every changing environment in order to survive and reproduce.

From the example given in the question, the bacteria was exposed to a toxin in its environment but the bacteria was able to adapt through the production of an enzyme the neutralises the toxin.

The bacteria was able to produce the neutralising enzymes through activating an inducible operon that causes the transcription of the mRNA that codes for the enzyme.

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Specialized cells are not genetically identical because they have different structures and functions. This is a false statement.. They are genetically identical.

After the zygote is formed, the cells divide, and each cell gets its fate. Similar-function cells make up a tissue. Cells are divided mitotically at this time.

Some cells are specialized to form nerve cells, and some are specialized to make epithelial cells. This specialization is due to changes in their euchromatin and heterochromatin structures. Though epithelial cells and nerve cells are different in structure and function, their genetic content is the same. All the genes are the same in both cells.

Hence, the statement is false.

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Plants that are sunlight deprived can lose their colour and die, this means that photosynthesis can't take place either.

Answer:

1.capillary- connects

2.artery-away from heart

3.vein- returns blood

Answer:

1.capillary- connects

2.artery-away from heart

3.vein- returns blood

Explanation:

Got it right edge

Answer:

answer is segmented

Explanation:

i just answered that

The change in the environment would not affect the frequency of the light-colored genetic code in the mouse population.

Frequency of the light-colored genetic code in the mouse population would not be affected by a change in the environment. Light-colored genetic code in the mouse population is determined by genetic makeup and not the environment.

A change in the environment may change the survival rate of the population, however, it does not influence the frequency of the genetic makeup of the population. The genetic makeup of the population can change through genetic drift, mutation, and migration.

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mRNA vaccines work by introducing a small piece of the virus's genetic material, called messenger RNA (mRNA), into the body. This mRNA is specifically designed to instruct cells in the body to produce a protein that is found on the surface of the virus.

Once this protein is produced, the body's immune system recognizes it as foreign and produces an immune response, including the production of antibodies and immune cells that specifically target this protein on the virus.

This creates a specific and targeted immune response that can protect against future infections by the virus, establishing adapted immunity.

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Plants release approximately 130 billion tons of oxygen during the process of photosynthesis. As a consequence of photosynthesis, oxygen is released by plants. However, it is estimated that plants actually emit 130 billion tonnes of oxygen annually through photosynthesis.

The biochemical process known as photosynthesis is used by plants, algae, and some bacteria to produce glucose (a form of stored energy) and oxygen from sunlight, carbon dioxide, and water. In particular, the chlorophyll, a type of green pigment found in the chloroplasts of plant cells, is where this process occurs.

Chlorophyll in plants absorbs sunlight during photosynthesis, which gives water molecules the energy to divide into hydrogen and oxygen. Using the hydrogen, glucose is created from carbon dioxide, which is subsequently used as an energy source by the plant's different cellular functions.

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An aponeurosis is a sheet-like fibrous tissue that functions to connect muscles to other muscles or bones, providing support and transmitting forces between them. In the middle portion of the trapezius, an aponeurosis can be found connecting this muscle to nearby structures.

Aponeuroses are made up of dense regular connective tissue, consisting primarily of collagen fibers arranged in a parallel pattern. This tissue type provides the aponeurosis with strength, stability, and resistance to mechanical stress.

The main function of an aponeurosis, like the one in the middle portion of the trapezius, is to facilitate the attachment of the muscle to other muscles or bones, allowing the transfer of forces generated during muscle contractions. This helps maintain the structural integrity of the musculoskeletal system and enables efficient movement and stability.

Thus, an aponeurosis is a sheet-like structure made of dense regular connective tissue, found in the middle portion of the trapezius muscle. Its primary function is to connect muscles to other muscles or bones, ensuring efficient force transmission and movement.

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Answer:

A single cell can carry out essential life processes such as metabolism, reproduction, growth, and homeostasis.

Explanation:

Metabolism refers to the chemical reactions that occur within a cell to obtain energy and carry out various biochemical processes. This includes processes like cellular respiration and the synthesis of molecules.

Reproduction refers to the ability of a cell to reproduce and create new cells, either through processes like binary fission in bacteria or mitosis in eukaryotic cells.

Growth refers to the increase in size or mass of a cell through the uptake of nutrients and the synthesis of macromolecules.

Homeostasis refers to the ability of a cell to maintain a stable internal environment by regulating parameters such as temperature, pH levels, and ion concentrations. This ensures that the cell functions optimally and can carry out its necessary processes.