nonfunctional and typically untranslated segments of DNA that arise from previously functional genes and are often particularly informative about evolutionary history as they are derived from known homologous genes and sugject to neutral genes.

Answer:

Dehydration reaction (a condensation reaction)disaccharide will provide energy for chemical reactions in the body to take place.

Explanation:

The Condensation Reaction is an organic reaction in which two molecules combine to give a single product accompanied by the formation of a molecule of water H2O. Disaccharides are produced when two monosaccharides are chemically combined. The bond called O-glycosidic, is the bond by which monosaccharides join to form disaccharides or polysaccharides. In this type of bond, an OH group of an anomeric carbon of a monosaccharide reacts with an OH group of another monosaccharide, releasing a water molecule.The main function of disaccharides is to provide energy to the cells of the human body, or glycogen. This is achieved through enzymes that act in the synthesis of the disaccharide, extracting glucose. Among the main and best known enzymes that act in this process are insulin for sucrose, lactase for lactose, and trehalase for trehalose.

The muscles related to horizontal adduction of the shoulder include the pectoralis major and the anterior deltoid. These muscles work together to bring the arm across the front of the body in a horizontal direction.

The pectoralis major is a large muscle located in the chest. Its primary function is to flex, adduct, and medially rotate the arm. When it contracts, it pulls the arm towards the midline of the body, contributing to horizontal adduction.

The anterior deltoid is one of the three heads of the deltoid muscle located at the shoulder. It plays a role in shoulder flexion and horizontal adduction. When the anterior deltoid contracts, it assists in bringing the arm across the body horizontally.

These muscles work synergistically to perform horizontal adduction of the shoulder joint, allowing movements such as hugging, crossing the arms, or performing exercises like chest flys.

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The option that is not a response to an internal stimuli would be wearing sunglasses to protect eyes from UV rays.

In all the other options, the person who does a certain action also gets a feedback from his body which urges him to do that particular  action.

Option D is correct.

A stimulus is anything that can trigger a physical or behavioral change an example being the  vital signs changing due to a change in the body.

Other examples of internal stimuli includes:

a. eating when hungry

b. breathing hard when exercising because of a drop in oxygen levels

c. drinking when thirsty

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Complete question:

Which of these is not a response to internal stimuli?

a. eating when hungry

b. breathing hard when exercising because of a drop in oxygen levels

c. drinking when thirsty

d. wearing sunglasses to protect eyes from UV rays

Option (b) phospholipid of molecule forms the cell membrane.

The cell membrane (also known as the plasma membrane (PM), cytoplasmic membrane, or plasmalemma) is a biological membrane that separates and protects the inside of all cells from the outside world (the extracellular space). The cell membrane is a lipid bilayer composed of two layers of phospholipids with cholesterols (a lipid component) interspersed between them, which maintains adequate membrane fluidity at different temperatures.

Membranes also contain membrane proteins, which include integral proteins that span the membrane and act as membrane transporters, as well as peripheral proteins that attach loosely to the cell membrane's outer (peripheral) side and act as enzymes to facilitate interaction with the cell's environment.

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Full Question: Which type of molecule forms the cell membrane?

A) protein

B) phospholipid

C) nucleic acid

D) carbohydrate

Answer:

B. Dominant traits

Explanation:

Dominant traits are as what the name implies, dominant over other traits. If something overpowers the other trait then it is a dominant trait.

Explanation:

Oxygen helps organisms grow, reproduce, and turn food into energy. Humans get the oxygen they need by breathing through their nose and mouth into their lungs. Oxygen gives our cells the ability to break down food in order to get the energy we need to survive.

Answer:

Yes

Explanation:

Reproduction, heredity, cellular organization, growth and development, response to stimuli, adaptation through evolution, homeostasis, and metabolism.

A catalyst is a substance that accelerates a chemical reaction without being a reactant. Enzymes are the catalysts for chemical reactions that occur in living organisms.

Enzymes are typically proteins, but certain ribonucleic acid (RNA) particles also function as enzymes. Enzymes catalyze chemical reactions in order to accelerate them. They reduce the activation energy (the amount of energy required to start a reaction), causing the chemical reaction to accelerate. The chemical reaction is accelerated in the enzyme-laden environment. However, unless enzymes are not prevalent in a chemical process, the reaction will take longer to complete. So, enzymes are extremely important.

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Answer:

Interphase

Explanation:

Interphase is the phase in the cell cycle in which rapid growth occurs and DNA is replicated.

Option  b) Pulmonary veins carries oxygenated blood from the lungs to the heart.

Each lung has two main pulmonary veins, one inferior and one superior, which emerge from the hilum. The primary pulmonary veins drain into the left atrium after receiving blood from three or four feeding veins in each lung. The bronchial tree is not followed by the peripheral feeding veins. They run between the pulmonary segments from which the blood is drained.

The right superior pulmonary vein is located at the root of the lung, in front of and somewhat below the pulmonary artery; the inferior is located at the lowest section of the lung hilum. The bronchus is located behind the pulmonary artery.

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Answer:

54fdsst r

Explanation:

r IM SORRY

2+2=4

Answer:

There are two types of waves - constructive and destructive waves. Constructive waves break on the shore and deposit material, building up beaches. They occur when the swash is stronger than the backwash. Destructive waves are created in storm conditions.

A large amount of substrate had been consumed between 4 and 6 minutes, the line's slope changes.

The zymase enzyme converts glucose into ethyl alcohol, which is then produced together with carbon dioxide. Starch to maltose conversion: Diastase is the enzyme responsible for the conversion of starch to maltose. A series of processes, including non - covalent interactions substrate binding, geometric rearrangements of the enzyme in its bound state.

At its ideal temperature, a catalyst performs at the highest level of efficiency. At either side of the optimal temperature, the activity of the biological catalysts decreases. The pH of a solution is important for biochemical catalysis.

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Explanation:

There is more pollutants from everything the tertiary consumer's prey has eaten then producers

The correct responses are

1) True

2) True because it is the process of photosynthesis for trapping solar energy.

3) F and C, they involve the combustion of matter and cellular respiration respectively

4) C and E because in these carbon is returned by putrefaction or combustion.

5) A and B represent the conservation of mass since they can be represented by chemical reactions.

In the image attached we can see that there is the transition of energy from one form to the other. We have to recall that following the first law of thermodynamics, energy can not be created nor destroyed but can be transformed from one form to the other.

In this case, we can see that there are many kinds of energy transformations that are taking place in the image that is shown in the carbon cycle.

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Some form of early Homo is estimated to have evolved into Homo erectus around 1.7-2 million years ago, option B is correct.

Homo erectus is believed to have evolved around 1.7-2 million years ago based on fossil evidence and dating methods. Fossil discoveries, such as the famous Nariokotome Boy skeleton found in Kenya, provide crucial insights into the anatomy and characteristics of Homo erectus. These fossils, along with other archaeological and genetic evidence, suggest that Homo erectus was the first hominin species to exhibit significant anatomical and behavioral differences from earlier hominins.

The emergence of Homo erectus marked a significant milestone in human evolution, as this species had a larger brain size, more advanced tool-making abilities, and potentially even the ability to control fire. These developments laid the foundation for the subsequent evolution of Homo sapiens, option B is correct.

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The complete question is:

Some form of early Homo is estimated to have evolved into Homo erectus around:

A) 5-7.5 million years ago

B) 1.7-2 million years ago

C) 10,000-40,000 years ago

D) 50,000-70,000 years ago

Answer:

They are found in the retina

Answer:

I think retina is the answer

The fiber bundles that carry information about the upper portion of the visual field from the lateral geniculate nucleus of the thalamus to V1 are called the upper fibers.

The lateral geniculate nucleus (LGN) of the thalamus receives most of its input from the retina and sends information to V1 (the primary visual cortex) through the optic radiation, which includes both upper and lower fibers. The lower fibers carry information from the lower portion of the visual field, while the upper fibers carry information from the upper portion of the visual field. Thus, the upper fibers refer to the specific subset of optic radiation fibers that transmit visual information from the upper visual field. This information is then processed and integrated with information from other parts of the visual field in V1 to form our perception of the visual world around us.

In summary, the fiber bundles that transmit information about the upper portion of the visual field from the lateral geniculate nucleus of the thalamus to V1 are called the upper fibers, which are a subset of the optic radiation fibers.

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Answer:

1

Explanation:

when two pieces of substances are in thermal equilibrium, this means the amount of heat flowing in one substances is equal to the amount of heat flowing from it. The temperature of the substance is related to the kinetic energy of the molecules.

Arterial baroreceptors are located in the aorta and carotid arteries so that pressure (and flow) to the heart and brain can be closely monitored.

Baroreceptors are stretch receptors that detect changes in arterial blood pressure and are located in the walls of the aorta and carotid arteries. They respond to changes in pressure by sending signals to the cardiovascular control center in the brain, which then sends out signals to adjust heart rate, blood pressure, and blood vessel diameter to maintain proper blood flow to the body’s tissues.

The aortic baroreceptors are located in the walls of the aortic arch, which is a curved portion of the aorta that extends upward and backward from the heart. The carotid baroreceptors are located in the carotid sinuses, which are located at the bifurcation of the common carotid arteries in the neck. These two locations allow for the baroreceptors to monitor pressure changes in the two most important arteries supplying blood to the brain and heart.

This is critical because these organs require a constant supply of oxygen and nutrients to function properly. Therefore, if blood pressure drops too low, the baroreceptors will send signals to increase heart rate, blood vessel diameter, and blood pressure to maintain adequate blood flow to the brain and heart.

Conversely, if blood pressure is too high, the baroreceptors will send signals to decrease heart rate, blood vessel diameter, and blood pressure to prevent damage to the brain and heart. Overall, the baroreceptors are an important component of the body’s homeostatic mechanisms that help to regulate blood pressure and blood flow to the body’s tissues.

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Answer:

Metabolism

Explanation:

Answer:

the three statements are true

Explanation:

Gradualism refers to a scientific theory that states that the emergence of new life forms, especially at the species level, is due to gradual steps, instead of abrupt steps (conversely to the idea of catastrophism). Darwin's theory states that evolution is a gradual process, suggesting that extreme phenotypic changes are removed by natural selection. Thus, gradualism indicates that selection and variation are processes that occurr slowly, while conspicuous phenotypic changes observed among higher taxa are due to the accumulation of many small morphological variations over evolutionary time.

Answer:

The mass of the rock

One feature that amphibians and humans have in common is the number of heart chambers. The correct option is A.

Amphibians and humans are two separate organisms, so it's not surprising that they have several differences between them. However, they also share some features or characteristics that are common in both animals. One of the key features that amphibians and humans share is the number of heart chambers.

Both have a four-chambered heart, which means that they have two atria and two ventricles that are separated by a septum (wall).The circulatory system of amphibians and humans is also similar. Both have a double-loop circulatory system, but unlike other organisms, their circulation is not completely separated.

The oxygenated and deoxygenated blood may mix at some points in the circulatory system, which means that they have a partially separated circulation.However, they have different blood pressure in the systemic circuit. Amphibians have a lower blood pressure in their systemic circuit compared to humans.

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The first seral stage of primary succession is characterized by the presence of Pioneer species. These are typically hardy and adaptable organisms that are able to establish themselves in areas that have been completely cleared of vegetation, such as after a volcanic eruption or a glacier retreat.

Pioneer species are usually small and have short life cycles, and are able to thrive in harsh environmental conditions that would be too extreme for other plants. Examples of pioneer species include lichens and mosses, which can grow on bare rock and soil and help to break down the surface and create soil for other plants to grow in. As the pioneer species begin to colonize the area, they start to create conditions that are more favorable for the establishment of other plant species, and the process of succession continues with the development of new communities of plants and animals over time.

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