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Answer: I can help

Explanation:  

Answer:

Eukaryotes

Explanation:

Are organisms wise cells have a nucleus and membrane bound organelles. Prokaryotes are organisms whose cells lack a nucleus. Eukaryotes carry out cellular respiration with the help of mitochondria. Mitochondria are organelles that produce the enzymes necessary to catalyze the series of reactions that produce ATP.

Answer:

Autocrine:Autocrine signaling means the production and secretion of an extracellular mediator by a cell followed by the binding of that mediator to receptors on the same cell to initiate signal transduction. A well-characterized form of autocrine signaling is the secretion of IL-1 by macrophages.

Juxtacrine:In biology, juxtacrine signalling (or contact-dependent signalling) is a type of cell–cell or cell–extracellular matrix signalling in multicellular organisms that requires close contact. ... A membrane ligand (protein, oligosaccharide, lipid) and a membrane protein of two adjacent cells interact.

Endocrine:The endocrine system is the collection of glands that produce hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.

Paracrine:Paracrine signaling is a form of cell signaling or cell-to-cell communication in which a cell produces a signal to induce changes in nearby cells, altering the behaviour of those cells. ... However, the exact distance that paracrine factors can travel is not certain.

Explanation:

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Answer:

A

Explanation:

only one type of atom= (PURE SUBSTANCE not mixture)

is atom chemically bonded to another atom? (NO- element, not compound)

Answer:. Maybe A. Im not sure.

Answer: XHY, XHXh

Explanation: I don't know if this is correct exactly but i just looked at my notes from my bio class because we did this previously so i think it's right

Answer:

the cell wall is a protective layer that keeps things in or out.

nucleus

true

true

mitochondria

Explanation:

Answer:

Acids are sour, gives burning sensation, generally sticky, reacts with metals to produce hydrogen gas. Although bases are opposite as they are bitter, generally odorless (except ammonia), they are slippery; bases react with fats and oils. In phenolphthalein, indicator acids remain colorless, and base gives pink color.

Explanation:

An acid is a substance that releases hydrogen ions into an aqueous solution. A base is a substance that releases hydroxide ions.

Acids are sour, gives burning sensation, generally sticky, reacts with metals to produce hydrogen gas. Although bases are opposite as they are bitter, generally odorless (except ammonia), they are slippery; bases react with fats and oils. In phenolphthalein, indicator acids remain colorless, and base gives pink color.

Answer:true

Water is made up of 2 atoms of hydrogens and 1 atom of oxygen to form a molecule. Water contains half as many hydrogen atoms as oxygen atoms. Water is a polar molecule which means it has slightly charged ends. ... This means it bonds to like molecules and ionic molecules.

Explanation:

Stoichiometry must be multiplied by the number that is printed on the element's foot in order to determine how many atoms of a certain element there are in a given molecule. Therefore, the given statement is false.

The smallest component of any element, molecule, or compound is called an atom. Atoms have a central nucleus and electrons that move in a set orbit around it.

In the nucleus, proton and neutron are present. Electron has -1 charge while proton has +1 charge. Neutron is neutral that is it has no charge. Overall, only the proton—not the neutron—is responsible for the nucleus' charge.

Two hydrogen atoms and one oxygen atom combine to produce the molecule of water. Hydrogen atoms make up 50% of the oxygen atoms in water.

Therefore, the given statement is false.

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Answer:

I think its C but I am not sure, I hope this helps :)

Explanation:

The statement 'particles move within channel proteins that pass through cell membranes' indicates the reason for which facilitated diffusion differs from simple diffusion (Option C).

Diffusion (both facilitated diffusion and simple diffusion) refers to the movement of substances across biological membranes from an area of high concentration to an area of low concentration.

Facilitated diffusion and simple diffusion are two types of passive transport that do not require energy to move molecules/ions in favor of a concentration gradient.

In facilitated diffusion, specific membrane proteins known as carriers or channels help to the movement of substances in favor of a concentration gradient.

Conversely, in simple diffusion, small molecules (e.g. CO2 and oxygen) freely diffuse across a selectively permeable membrane in favor of a concentration gradient.

In conclusion, the statement 'particles move within channel proteins that pass through cell membranes' indicates the reason for which facilitated diffusion differs from simple diffusion (Option C).

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Answer :

D. Mitochondria ; acetyl CoA

pyruvic acid enters the mitochondria and is first converted into acetyl CoA

Answer:

Acids are compounds that dissociate (break) into hydrogen (H+) ions and another compound when placed in an aqueous solution. ... If one of the ions is OH-, the solution is basic. An example of a strong base is sodium hydroxide (NaOH).

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Answer:

How does temperature affect decay?

Temperature. amount of water. Bacteria and fungi secrete enzymes onto food to digest it into soluble substances which they absorb. They respire using oxygen and release heat energy which increases the rate of decay.

Explanation:

Hope this helps, If it did, then I would really appreciate it if you gave me Brainliest, I only need one more to rank up and it has taken forever to get to where I am currently. Thanks.

Answer:

By dropping it in a volcano and pick it back up

Explanation:

Answer:

U gotta have a tester. DUH.

Answer:

Theodor Schwann and Matthias Jakob Schleiden

Explanation: in 1839 the two elucidated that all plants and animals were made up of cells

Answer:

11.) red aka b

12.)orange aka a

13.)yellow aka c

14.) orange aka b

15.) last one aka c

Explanation:

11.) F=ma---> 75=0.445(a)--->a=168.5m/s^2

12.)F=ma---> 5,100=m(3)---->m=1,700kg

13.)F=ma---> 3.63=18.15(a)--->a=0.2m/s^2

14.)F=ma---->F=(2,030,000)(15)----->F=30,450,000n

15.) Doubling the mass doubles the acceleration

Answer:Carbon Dioxide is released by the burningof fossil fuels, solid waste, and wood. This is the number one human activity that contributes to climate change

Explanation:

Answer:

7.0

Explanation:

Answer:

5 and under would be nuetral

Answer:

Each nucleotide is made up of a nitrogenous base, a pentose sugar, and a phosphate. The remainder of the molecule forms the pentose sugar.

Explanation:

Answer:

fresh

Explanation:

Answer:

Attached to each sugar is one of four bases--adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guani

Answer:

D protein it taste good very good

Answer:

Science is valued by society because the application of scientific knowledge helps to satisfy many basic human needs and improve living standards. Finding a cure for cancer and a clean form of energy are just two topical examples. Education could become the most important application of science in the next decades.

Answer:

science is the study of earth and nature. science is useful because science is valued by society because the application of scientific knowledge helps to satisfy many basic human needs and improve living standards.

Answer:

to protect organs

Explanation:

Epithelial cells are cells found in the human skin. They are tightly packed cells which helps to protect organs in the human body.

The cells are divided into different layers with an inner part and the outermost layer.

The skin is the largest organ of the human body. It protects all organs from the external environment.