What are some of the different kinds of lipids?

a) glycerophospholipids

b) fats

c) cellulose

d) enzymes

e) steroids

f) waxes oils

Answer:

freezing temperatures

Answer:

Oxygen is the final electron acceptor at the end of the electron transport chain of aerobic respiration. In the absence of oxygen, only a few ATP are produced from glucose. In the presence of oxygen, many more ATP are made.

Answer:

Oxygen is the final electron acceptor therefor its very important

Explanation:

The final stage of aerobic respiration which involves oxygen makes the most ATP since i believe it makes 32 ATP. Therefor its very important

The only place on Earth where you can find lemurs living in the wild is Madagascar. Hence, the correct option is B) Madagascar.

A brief on Lemurs are primitive primates that are found only in Madagascar. These primates look like a mix between a monkey, a squirrel, and a cat. They vary in size from as small as a mouse to as large as a medium-sized dog. Their tails can be longer than their bodies, and they have pointed furry ears. They are the most endangered of all primates and are threatened by hunting and habitat loss. A brief Primates are mammals, with arms, legs, and hands that can grasp things firmly. They have opposable thumbs and big toes, which help them climb trees. They have big brains and are intelligent, social animals. Primates are found all over the world, but they are most diverse in the tropics. They are divided into two groups, prosimians, and anthropoids. Prosimians are the oldest primates and are found only in Madagascar and nearby islands. Anthropoids are divided into two groups, monkeys and apes. Orangutans, gorillas, bonobos, and gibbons are all apes.

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Answer: B, C, D, E

Explanation:

In a generalised manner B, C, D and E takes place for a substance to change state, from a solid to a gas.

The physical process of changing a medium's state from one to another is known as a phase transition. The phrase is frequently used to describe transitions between the three fundamental states of matter—solid, liquid, and gas—and, in rare instances, plasma.

Heat must be used to provide energy for molecules to go through phase change. The intermolecular connections that keep the substance in its current state are broken using this energy. When the element receives enough energy, the phase change will occur.

Without going through the liquid state, sublimation is the process by which a substance moves straight from the solid to the gas state.

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The promoter's DNA is melted by 2,3 sigma within and a short distance downstream of the -10 site. The highly conserved areas 1.2, 2.1, 2.2, 2.3, and 2.4 that are present in the 2 domain are crucial for melting promoter DNA, recognising the 10 element, and binding to the RNAP ′ clamp (Feklistov and Darst, 2011; Zhang et al., 2012).

The core promoter can be recognised by bacterial RNA polymerase homoenzyme. RNA polymerase can attach to a particular promoter sequence (yellow) in DNA thanks to the sigma subunit. A transcription pause is caused by the E. coli RNA polymerase's sigma factor sigma 70 at an early stage of elongation, where it also functions to allow the phage lambda gene Q transcription antiterminator to work.

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Answer:

the core

Explanation:

it is the center of the earth

Polyploidization is particularly common in flowering plant, wheat,  bananas, and coffee. The answer is option E.

Polyploidization refers to the process of acquiring more than two sets of chromosomes in an organism's genome. It can occur naturally or be induced artificially. Among the given options, all of them are known to exhibit polyploidy to varying degrees.

Flowering plants (Option A) are known for their ability to undergo polyploidization, and it is a common phenomenon in plant evolution. Polyploidization plays a significant role in speciation, genetic diversity, and adaptation in flowering plants.

Wheat (Option B), both cultivated and wild varieties, often exhibit polyploidy. Many wheat species are polyploid, including hexaploid (having six sets of chromosomes) and tetraploid forms.

Bananas (Option C) also commonly undergo polyploidization. Most edible bananas are triploid, which means they have three sets of chromosomes, resulting from hybridization and polyploidization events.

Coffee (Option D) is another example where polyploidy is observed. Certain coffee species, such as Coffea arabica, are known to be allotetraploid, meaning they have four sets of chromosomes.

Therefore, the correct option is option E.

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Explanation:

no link. sorry I can't help

Answer: Immune response

Explanation:

Answer:

An immune response happens when cells and fluids in the body react to the presence of a pathogen. The immune system is responsible for protecting the body from harmful pathogens such as bacteria, viruses, and fungi. When a pathogen enters the body, the immune system recognizes it as foreign and activates a response to eliminate it. This response involves various cells, including white blood cells, antibodies, and other immune cells, working together to identify, target, and destroy the pathogen.

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The theory involved here is Mendelian inheritance pattern. When dogs mate, they randomly contribute one allele from each locus, giving each gene a 50% chance of being passed on to the offspring.

Mendelian inheritance is an inheritance pattern that complies with the principles of segregation and independent assortment. It occurs when a gene acquired from each parent segregates into gametes with an equal frequency.

In Mendelian inheritance, certain dog breeds regularly exhibit unique traits: German shepherds make good protection dogs, border collies prefer herding, and greyhounds enjoy running. Mendelian inheritance explains why this is the case; a study of 101 dog breeds that examines genetic variations in behavior discovered that features like these are highly heritable. Each locus contains a single dominant allele, and this allele affects the characteristics that the dog displays, such as the color of its coat.

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Answer:

They compare quantities for particular categories.

Explanation:

Quantities- numbers

Bar graphs compare numbers

Hoped this helped!

anser: c 100 on test

Answer:

scientists who study the ocean have seen b the ocean is becoming warmer

Answer:

Vertebrates are those that have backbones or vertebral column, and invertebrates are those that do not have backbones or vertebral column.

Answer:

Vertebrates are those that have backbones or vertebral column and they dont

Explanation:

To rank the following amines according to nucleophilic strength from least nucleophilic to most nucleophilic, we first need to understand what nucleophilicity is.Nucleophilicity refers to the ability of a molecule or ion to act as a nucleophile in a chemical reaction, which is characterized by its affinity for positively charged ions or atoms such as hydrogen or carbon.

Nucleophilic strength increases with the electronegativity of the atom or molecule, the size of the molecule, and the number of electrons available for bonding to an electrophile.Therefore, the following amines can be ranked according to their nucleophilic strength from least nucleophilic to most nucleophilic:Trimethylamine (CH3)3N Diethylamine (C2H5)2NH Ethylamine CH3CH2NH2Aniline C6H5NH2The reason is that the methyl group in trimethylamine and ethyl group in diethylamine act as electron-donating groups, making the lone pair of electrons on the nitrogen atom less available for bonding with electrophiles.On the other hand, the aniline group has an electron-withdrawing group, making the nitrogen atom more available for bonding with electrophiles.Therefore, the rank of the following amines according to nucleophilic strength is:Trimethylamine (CH3)3N < Diethylamine (C2H5)2NH < Ethylamine CH3CH2NH2 < Aniline C6H5NH2.

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Answer:

f

Explanation:

Answer:

The nuclear envelope (NE) is actively remodeled during mitosis. Microtubule-organizing centers (MTOCs) insert into the NE in closed mitosis. The NE disassembles during open mitosis to facilitate spindle formation. Membrane bending, composition and stabilization are associated with MTOCs.

Before the appearance of Devil Facial Tumor Disease (dtd) in 1996, the process that maintained a stable Tasmanian devil population size was primarily through natural selection and a balanced ecosystem. The Tasmanian devil's diet consisted of small animals, insects, and carrion, and they played a crucial role in controlling the populations of these prey species.

Additionally, the devils were not the only predators in their ecosystem, and their population size was kept in check by other predators such as quolls and wedge-tailed eagles.

Moreover, the Tasmanian devil's reproductive rate was relatively low, and the females only gave birth to a small number of young. This meant that the population was not growing too quickly and that the resources available in the environment could support their needs.

Overall, the Tasmanian devil population was maintained at a stable size before the appearance of dtd through a combination of factors such as natural selection, a balanced ecosystem, and a low reproductive rate. However, the introduction of dtd changed this equilibrium, and the population experienced a severe decline.

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The term that describes the coordination of various neurons and divisions of the nervous system to provide coordinated nervous system function, which people perceive as memories, thoughts, and actions is "Integration".

Explanation: Neurons are specialized cells of the nervous system that transmit information. The nervous system is divided into two main divisions: central nervous system (CNS) and peripheral nervous system (PNS).The nervous system is responsible for coordinating and controlling the body's functions and activities. This is achieved through the integration of different neurons and divisions of the nervous system.

Refers to the coordination of various neurons and divisions of the nervous system to provide coordinated nervous system function, which people perceive as memories, thoughts, and actions.

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Answer:

Absorption: The process of absorbing nutrients occurs primarily in the small intestine. Once the food is broken down into smaller molecules through digestion, these molecules are absorbed into the bloodstream. For example, carbohydrates are broken down into simple sugars, proteins into amino acids, and fats into fatty acids and glycerol.

Circulatory System: The circulatory system, composed of the heart, blood vessels, and blood, plays a crucial role in transporting absorbed nutrients. The blood vessels form an extensive network that reaches all tissues and organs in the body.

Hepatic Portal System: After absorption, most of the nutrients are transported to the liver through a specialized system called the hepatic portal system. This system ensures that the liver, which performs various metabolic functions, receives a concentrated supply of nutrients before they are distributed throughout the body.

Bloodstream Transport: Once in the bloodstream, nutrients are carried by the plasma, the liquid component of blood. Different nutrients use specific mechanisms for transport:

Glucose: It is transported by facilitated diffusion or active transport, depending on the concentration gradient, with the help of insulin.

Amino Acids: They are transported through the bloodstream by specific carrier proteins.

Fats: Dietary fats are initially packaged into structures called chylomicrons and transported through the lymphatic system before entering the bloodstream. Once in the bloodstream, fats are carried by lipoproteins such as low-density lipoprotein (LDL) and high-density lipoprotein (HDL).

Distribution to Tissues: As the blood circulates, nutrients are distributed to various tissues and organs according to their specific needs. Nutrients are delivered to cells through the capillaries, the smallest blood vessels in the body, which have thin walls that allow for the efficient exchange of nutrients and waste products.

Cellular Uptake: Nutrients are taken up by cells through various mechanisms. For instance, glucose enters cells with the help of insulin, while amino acids are transported into cells through specific carrier proteins. Fats are taken up by cells through receptor-mediated endocytosis or by diffusion.

Metabolism: Once inside the cells, nutrients undergo metabolic processes to produce energy or build new molecules. Glucose, for example, can be metabolized through glycolysis, the Krebs cycle, and oxidative phosphorylation to generate ATP, the cell's energy currency.

Waste Removal: Metabolic byproducts, such as carbon dioxide and urea, are generated during nutrient metabolism. These waste products are transported back into the bloodstream and eventually eliminated from the body through the lungs (carbon dioxide) or the kidneys (urea).

It's important to note that different nutrients may have different transport mechanisms and pathways. The body's ability to efficiently transport and utilize absorbed nutrients is vital for maintaining proper functioning and overall health.

The examples of quantitative data among the given options are:
- Height of the peanut plant
- Total biomass of the plant
- Number of peanuts harvested

Quantitative data is information that can be measured or expressed numerically. It involves the use of numbers and provides objective and measurable information. In this case, the height of the peanut plant can be measured in inches or centimeters, the total biomass of the plant can be measured in grams or kilograms, and the number of peanuts harvested can be counted. On the other hand, the leaf color of the peanut plant and the texture of the peanut shells are more subjective and qualitative in nature, as they do not involve numerical measurements.

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The end products of digestion for carbohydrates, fats, proteins are as follows:

Carbohydrates: Glucose

Fats: Fatty acids and glycerol

Proteins: Amino acids

The digestive enzymes secreted in the saliva, stomach, duodenum, and from the pancreas and their respective substrates are as follows:

Saliva: Salivary amylase (acts on starch), lingual lipase ( acts on fats) and lysozymes (kills pathogenic particles which might have entered the oral cavity via food intake).

Stomach: Pepsin (acts on proteins) and gastric lipase (acts on triglycerides).

Duodenum: Duodenal enterokinase ( acts on trypsinogen and chymotrypsinogen) Maltase (acts on maltose), Lipase (acts on lactose) and Sucrase ( acts on sucrose).

Pancreas: Trypsinogen (inactive form of trypsin), chymotrypsinogen (inactive form of chymotrypsin), elastases (acts on elastin), Lipase ( acts on dietary fat molecules), protease (acts on dietary proteins) and pancreatic amylase (acts on starch molecules).

Salivary amylase: Digestion of carbohydrates also starts in the mouth. The amylase produced by the salivary glands, breaks down complex carbohydrates i.e, primarily cooked starch into shorter chains or even simple sugars. It's also known as ptyalin at times.

Lingual lipase: The mouth is where lipid digestion begins. Lingual lipase initiates the breakdown of lipids and fats.

Lysozyme: Because food contains microorganisms like bacteria and viruses in addition to important nutrients, it has a limited but nevertheless useful antiseptic function during digestion.

Pepsin: The primary stomach enzyme is pepsin. It is created by the principal cells of the stomach, which are zymogens that manufacture pepsinogen, an inactive form of the digestive enzyme. The stomach acid then converts pepsinogen into its active form, pepsin. Pepsin breaks down the protein in the diet into more manageable pieces like amino acids and fragments of peptides. As a result, protein digestion primarily begins in the stomach, as opposed to carbohydrate and lipid digestion, which begins in the mouth.

Gastric lipase: It is an acidic lipase that is released by the gastric main cells of the stomach's fundic mucosa. Its pH ranges from 3-6. Gastrointestinal lipase and lingual lipase are the two acidic lipases namely. These lipases do not require bile acid or colipase for effective enzymatic action, in contrast to alkaline lipases (like pancreatic lipase). Gastric lipases act on triglyceride molecules to produce fatty acids and glycerol.

Duodenal enterokinase: Trypsinogen is activated into its active i.e, trypsin by the duodenal enzyme enterokinase.

Maltase: Helps in conversion of maltose into glucose.

Lactase: Helps in breaking down of lactose into glucose and galactose.

Sucrase: Breaks down sucrose to produce glucose and fructose.

Trypsinogen: Produced as an inactive (zymogenic) protease which is turned into trypsin in the duodenum. Trypsin breaks down proteins at their fundamental amino acids. The duodenal enzyme enterokinase converts trypsinogen into its active form, trypsin.

Chymotrypsinogen: When duodenal enterokinase activates the inactive (zymogenic) protease chymotrypsinogen, it transforms into the enzyme chymotrypsin, which degrades proteins at their aromatic amino acids.

Carboxypeptidase: A protease which removes the protein's terminal amino acid group.

Elastases: Break down various proteins, including elastin.

Pancreatic lipase: Triglycerides are broken down by pancreatic lipase into two fatty acids and a monoglyceride.

Several nucleases, such as DNAase and RNAase, break down nucleic acids.

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The end products of the digestion of carbohydrates are monosaccharides like glucose, fats are fatty acids and glycerol, and proteins are amino acids.

What are the enzymes that help in the digestion process?

Salivary amylase (ptyalin) is a cleavage enzyme produced by the salivary glands that help in the digestion of carbohydrates and converts them into glucose.

Pepsin is an enzyme secreted by the stomach that serves to digest proteins found in the ingested food.

Gastric lipase is an acidic lipase secreted by the gastric chief cells in the fundic mucosa of the cells that helps in the breakdown of fats into fatty acids and glycerol.

Pancreatic enzymes include trypsin and chymotrypsin in the digestion of proteins, amylase in the digestion of carbohydrates, and lipase to break down fats.

Hence, Digestive enzymes are a group of enzymes that break down polymeric macromolecules into smaller building blocks, in order to facilitate their absorption into the cells of the body.

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Answer:

Typical magma temperatures exceed 10,000 degrees Celsius. Magma never contains dissolved gases. Magma forms when rocks melt. Magma always comes from the lower mantle.

Answer:

Outer core.

Explanation:

Just thank me later.

Answer:

The outer core

Explanation:

The percentage of the progeny that would have anther ear, fine stripe, and colorless aleurone is 100%.

If the wild type parent that was selfed had the genotype: an f / an f; cc, then 100% of the progeny would have anther ear, fine stripe, and colorless aleurone.

This is because the parent is homozygous for both the an f and cc genes, meaning that they have two copies of each of these genes. When the parent self-fertilizes, each progeny will inherit one copy of each gene from the parent.

Since the parent has two copies of the an f gene, all of the progeny will inherit one copy of this gene and will therefore have anther ear. Similarly, since the parent has two copies of the cc gene, all of the progeny will inherit one copy of this gene and will therefore have colorless aleurone.

In terms of the fine stripe gene, the parent is also homozygous for this gene, meaning that all of the progeny will inherit one copy of this gene and will therefore have fine stripe.

Therefore, the percentage of the progeny that would have anther ear, fine stripe, and colorless aleurone is 100%.

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The vasa recta are associated with the nephron loop and primarily reside in the medulla of the kidney.

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The correct sequence of events in cellular respiration is option a: glycolysis, citric acid cycle, electron transport chain.

During cellular respiration, glucose is broken down to produce energy in the form of ATP. The process starts with glycolysis, which occurs in the cytoplasm and involves the breakdown of glucose into pyruvate molecules. Glycolysis generates a small amount of ATP and NADH.

The pyruvate molecules produced in glycolysis enter the mitochondria, where the citric acid cycle, also known as the Krebs cycle, takes place. In this cycle, the pyruvate is further broken down, releasing carbon dioxide and generating NADH and FADH2 as electron carriers. The citric acid cycle also produces a small amount of ATP.

The electron carriers NADH and FADH2 then participate in the electron transport chain, which is located in the inner membrane of the mitochondria. In the electron transport chain, the electrons from NADH and FADH2 are transferred through a series of protein complexes, creating a flow of electrons that drives the synthesis of ATP. This process is known as oxidative phosphorylation.

Therefore, the correct sequence of events in cellular respiration is glycolysis, citric acid cycle, and electron transport chain, as stated in option a.

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Question

Which of the following is the correct sequence of events in cellular respiration?

a. glycolysis, citric acid cycle, electron transport chain

b. glycolysis, preparatory reaction, citric acid cycle, electron transport chain

c. glycolysis, electron transport chain, preparatory reaction

d. citric acid cycle, glycolysis, electron transport chain, preparatory reaction

e. citric acid cycle, electron transport, glycolysis, preparatory reaction

Answer:

PLANTS

Explanation:

PHOTOSYNTHISIS

Answer: Leaving a copper penny in vinegar until it turns green

Explanation: The copper changes the color making it a chemical change due to the chemical reaction with vinegar or acetic acid.

Answer:

leaving a copper penny in vinegar until it turns green

Explanation:

nle choppa the best rapper

Explanation:

natural gas found in same reservoir as crude oil