Which of the following acts as a part of both the nervous and endocrine systems?
A. the myelin sheath
B. the hypothalamus
C. the thymus
D. the pancreas

Answer:

Explanation:

The electron-carrier proteins are arranged in the inner mitochondrial wall. A dehydrogenase enzyme (think of it as the first protein of the electron-transport chain) oxidises NADH2 (which is the reduced coenzyme NAD) and/or FADH2 (reduced coenzyme FAD). The energy from the oxidation process is used to pump hydrogen ions from the matrix to the inter-membrane space of the mitochondrion. Because of this, gradient of hydrogen ion concentration builds up across the inner mitochondrial membrane, which generates a potential difference across the membrane. The protons then flow back to the matrix through an enzyme called ATP synthase (also called ATPase). (This is called chemiosmosis because a chemical substance (H+) moves across a membrane, down the concentration gradient.) This releases energy needed for the ATP synthase to phosphorylate ADP, i.e. make ATP (chemical energy for use in the cell) from ADP and inorganic phosphate.

Note: Bolded things are important, everything else is just additional clarification in case you need it. This is the last major phase of cellular respiration. If you want a deeper insight into the process, I suggest you read a bit about glycolysis and Krebs cycle.

Biotic factors are living things within an ecosystem; such as plants, animals, and bacteria, while abiotic are non-living components; such as water, soil and atmosphere.

So to answer your question,

Biotic: plants and other prey (animals)

Abiotic: water, soil,

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Answer:

the angle of diffraction is directly proportional to the size of the wavelength. this is why red light (long wavelength) diffracts more than blue light (short wavelength). And radio waves (really long wavelength) diffract more than X-rays (really short wavelengths)

Answer: Lake

Explanation:

The arrow between the bear sedge and the brown lemming show matter moving from a secondary consumer to a decomposer .

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A peptide bond in a protein__ joins the carbon in the carboxyl group of one amino acid to the nitrogen in the amino group of another amino acid._______. The correct option is D

Carboxyl group can be defined as  a functional group (-COOH) in organic chemistry consisting of a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group (-OH).

Carboxyl groups are found in many organic molecules, including amino acids and fatty acids, and play a crucial role in many biological processes such as cellular respiration and the formation of peptide bonds in proteins.

The correct option is D

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Answer:

DeVante called, saying that King was after him

Explanation:

Answer:

shorter limbs would be the best characteristic to confirm

Explanation:

Answer:

1)   As soon as the paper cuts into the cells of your skin, your body springs into action. First, blood cells called platelets join together at the paper cut and form a clot to stop the bleeding.

The process is called Blood clotting.

2)   The cell that are made will have the same same amount of DNA/chromosomes.

3)   Chromosomes come in pairs. Normally, each cell in the human body has 23 pairs of chromosomes (46 total chromosomes). Half come from the mother; the other half come from the father. Two of the chromosomes (the X and the Y chromosome) determine your sex as male or female when you are born.

Sensory adaptations such as antennae, touch receptors and chemoreceptors, are usually highly developed in an underground dwelling species.

Adaptation is termed as any heritable trait which helps an organism, such as animal or plant, to survive and reproduce in its environment. It can be structural means physical part of the organism. Also it can be behavioral.

Sensory adaptations are those species which have very low metabolism and allowing them to live on a very little food. This adaptation having a constant temperatures of aquifer waters, that compared to the surface water temperatures which can vary quickly or widely. Groundwater species live in a very stable as well as predictable environment.

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Photosynthesis is a procedure used by flora and different organisms to transform light power into chemical strength that, via cellular respiratory, can later be launched to gas the organism's activities.  

Photosynthesis is the system through which flowers use daylight, water, and carbon dioxide to create oxygen and strength in the form of sugar.  Photosynthesis calls for daylight, chlorophyll, water, and carbon dioxide gas. Chlorophyll is a substance in all inexperienced flowers, in particular inside the leaves. plant life soak up water from the soil and carbon dioxide from the air. Photosynthesis starts while chlorophyll absorbs energy from sunlight.

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We may investigate queries about the variety and evolution of species across time using the fundamentals of biology. All of the questions listed above have to do with evolutionary processes including speciation, adaptation, and the fossil record.

The process of evolution describes how many types of living things grow and alter over time. Natural selection, which favours particular genetic features that offer an advantage in a particular environment, is what propels it. This process results in the diversification and speciation of many species when populations of organisms slowly alter and adapt to their environment. The variety of life on Earth and the relationships between various species are both explained by evolution. It is a fundamental idea in biology and has wide-ranging effects on industries including healthcare, agriculture, and conservation.

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Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as homeostatic mechanisms.

Homeostasis is the body's ability to maintain a stable internal environment despite external changes.

In the context of the brain, homeostatic mechanisms involve various processes that regulate physiological functions and maintain optimal levels of essential substances.

These mechanisms can include feedback loops that detect imbalances and initiate corrective actions.

For example, if there is a deficiency in a particular nutrient or hormone, the brain may activate mechanisms to increase its production, decrease its consumption, or enhance its absorption from the environment.

Homeostatic mechanisms play a crucial role in ensuring the body's overall stability and functioning, helping to maintain proper levels of various substances and promoting overall well-being.

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Answer:

The answer is periosteum

Explanation:

I dont really have an explanation i had this wuestion and just guessed an got it right

Answer:

periosteum  is correct to the person above

Explanation:

The gene that controls production of white blood cells.

Answer:

D) the gene that controls the production of white blood cells.

Explanation:

just did it on edge 2020

Answer:

b

Explanation:

Answer:

D.

Explanation:

if you look at the names of the species, the first part is the same, which means they aare closely related to some point. When you look at the picture, you also notice the species look strikingly alike.

Answer:

d

Explanation:

The part of Pakicetus anatomy that most suggest it is an ancestor of whales is ears adapted partly for hearing underwater.

Pakicetus is an extinct early mammal believed to be closely related to the ancestral line of whales. One of the key pieces of evidence supporting this relationship is the structure of its ears. Pakicetus had specialized ear bones that show adaptations for hearing underwater.

The ear structure of Pakicetus contains a specialized bone known as the involucrum, which is similar to the ear bones found in modern whales. The involucrum is thickened and dense, indicating adaptations for underwater hearing. This adaptation suggests that Pakicetus and its descendants gradually transitioned to an aquatic lifestyle and relied on hearing underwater, a feature that is prominent in modern whales.

While other options, such as eyes near the top of the head and teeth consistent with a carnivorous diet, may also be present in whales, it is the presence of ears adapted for hearing underwater that provides strong evidence of the evolutionary link between Pakicetus and the ancestors of whales.

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Answer:

Circulatory System

Explanation:

Answer:

molecules

Explanation:

Nuclear pore complexes allow the transport of molecules across the nuclear envelope.

Answer:

Molecules

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Answer: There are actually three, Kepler's laws that is, of planetary motion: 1) every planet's orbit is an ellipse with the Sun at a focus; 2) a line joining the Sun and a planet sweeps out equal areas in equal times; and 3) the square of a planet's orbital period is proportional to the cube of the semi-major axis of its

Explanation:

A group of living things that can interbreed to generate fertile offspring and share specific physical and genetic characteristics is referred to as a species in biology. Understanding the diversity of life on Earth and how various organisms are related to one another requires a knowledge of the idea of species.

Historically, physical characteristics that could be observed, like as morphology, behaviour, and ecology, were used to categorise species. However with the development of molecular genetics, species definitions have been broadened to incorporate genetic data. In reality, genetic data is frequently used to support or challenge conventional species designations, particularly when physical characteristics are inconclusive.

It is crucial to remember that the idea of a species is not always clear-cut, and there are several discussions and arguments around how to identify and categorise species. For instance, some experts contend that under specific conditions, various species may be able to interbreed to create fertile offspring, while others contend that the idea of a species is merely a human construct used for classification and communication, rather than a basic unit of nature.

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TRUE. The molecular second-line defense, which includes the adaptive immune response, produces antibodies that are specific to the bacterial infection.

This immune response is carried out by the adaptive immune system, which generates a targeted response against specific pathogens.

The adaptive immune system, also known as the acquired immune system, is a subsystem of the immune system that is composed of specialized, systemic cells and processes that eliminate pathogens or prevent their growth. The acquired immune system is one of the two main immunity strategies found in vertebrates (the other being the innate immune system).

Bacteria are small organisms that can invade the body, causing illness. These infections usually trigger a protective immune response. You also have innate bacteria in your body that helps digest your food and protect your body from harmful bacteria. Children and adults of any age can develop a bacterial infection

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Answer:

B

Explanation:

Because it have second division

The layer of skin that is often referred to as the "true skin" is the dermis. It is the second layer of the skin and is located underneath the epidermis, which is the outermost layer. The dermis is composed of connective tissue, blood vessels, nerves, hair follicles, and sweat glands, among other structures.

The dermis plays a critical role in the function and health of the skin. It contains the blood vessels that supply oxygen and nutrients to the skin cells, as well as the nerve endings that allow us to sense touch, pressure, and temperature. The dermis also contains collagen and elastin, which give the skin its strength, elasticity, and resilience. In addition to its structural functions, the dermis is involved in a number of important physiological processes. For example, it helps to regulate body temperature by controlling blood flow to the skin's surface. It also plays a role in immune function, helping to protect the body from infection and disease.

Overall, the dermis is a complex and important layer of the skin that is essential for maintaining the health and function of this vital organ.

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Answer:

Nitrogen ---- formed due to the transformation of ammonia (NH3)

carbon dioxide and water vapor ----- released into the atmosphere during volcanic eruptions

helium ------ mostly escaped Earth's atmosphere due to it is light mass.

Explanation:

Nitrogen are formed due to the transformation of ammonia (NH3) due to action of beneficial nitrogen, carbon dioxide and water vapor are released into the atmosphere during volcanic eruptions and helium mostly escaped Earth's atmosphere due to it is light mass. Helium has atomic mass i.e. 2 which is second lowest after hydrogen mass so due to its lighter weight it can't be stay in the atmosphere near to earth.

Answer:

Nitrogen - formed due to the transformation of ammonia (NH3)

carbon dioxide and water vapor - released into the atmosphere during volcanic eruptions

helium - mostly escaped Earth's atmosphere due to it is light mass.

Helices in RNA hairpins assume an A conformation, whereas helices in DNA hairpins generally assume a B conformation.

The conformation of the helix in RNA and DNA hairpins refers to the arrangement of the sugar-phosphate backbone and the orientation of the bases with respect to the axis of the helix.

The A conformation, also known as the "RNA-like" conformation, is characterized by a more tilted and compressed helix with a wider major groove compared to the B conformation, which is the standard conformation for DNA.

In RNA hairpins, the fully base-paired portions of the hairpin typically assume an A conformation, whereas, in DNA hairpins, the helices generally assume a B conformation. Option (d) is correct.

Option (a) is incorrect because helices in RNA hairpins assume an A conformation, not a B conformation as stated.

Option (b) is incorrect because the handedness of helices in RNA and DNA hairpins is not related to palindromic sequences, but rather to the conformation of the helix, and it can vary in both RNA and DNA hairpins.

Option (c) is incorrect because both RNA and DNA hairpins can contain a mix of pyrimidines and purines in their base-paired regions, and there is no strict rule that helices in RNA hairpins only contain pyrimidines, or that helices in DNA hairpins only contain purines.

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A codon is a nucleotide triplet that codes for an amino acid so that every trio of nucleotides codes for one amino acid is the relationship between amino acids and nucleotides.

The code is degenerate because there are only 20 amino acids and 64 combinations of four nucleotides taken three at a time (more than one codon per amino acid, in most cases). The structural constituents of proteins are known as amino acids. On the other hand, nucleotides are the constituent parts of DNA and RNA, two types of nucleic acids. As a result, this is the primary distinction between amino acids and nucleotides.

By following a set of instructions known as the genetic code, mRNA converts the nucleotide sequence of a gene into the amino acid sequence of a protein.

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Answer:

The function of blood vessels is blood vessels are the channels or conduits through which blood is disturbed to body tissues