What's the waste product of electrons and pyruvate combining in fermentation? ​

Answer:

B

Explanation:

CRISPR-Cas9 is a gene-editing mechanism that is harnessed from bacteria’s immune system used to cut apart foreign genetic material such as that of bacteriophages. CRISPR-Ca9 has a guide sequence that is used to identify the target sequence. The Cas9 enzyme cuts this target DNA and is replaced with the required piece.

In cancer treatment, the mutated DNA can be replaced, this way, with the wild type.

CRISPR-Cas9 technology is useful in treating diseases like cancer as  it could remove from patients the genetic mutations that cause a specific cancer before the cancer begins. The correct option is B.

Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. These contrast with benign tumors, which do not spread.Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements.While these symptoms may indicate cancer, they can also have other causes.

Though cancer it not completely curable the rate of it's invasion can be slowed down by use of CRISPR-Cas9 technology that removes mutations which cause cancer before it begins.

Thus, option B is correct.

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Answer:

A dung beetle is the answer.

Answer:

C

Explanation:

Frequent exposure of Staphylococcus aureus methicillin by humans – such as through excessive use of non-prescribed antibiotics-, the rate of mutations in the bacteria population increases. This results to increases chances that a mutant will develop that is resistant to methicilin. Once a mutant develops, its population increases even when exposed to the antibiotic because it is resistant to methicilin.  Bacteria also exchange genetic material horizontally so the gene for resistance will quickly spread in a population. This results in MRSA that is hard to eradicate.

Final answer:

The correct answer is C) Humans synthesize methicillin and create environments that inadvertently select for methicillin-resistant Staphylococcus aureus (MRSA), representing artificial selection. This emphasizes the need for careful antibiotic management to combat the rise of drug-resistant strains like MRSA.

Explanation:

The rise of methicillin-resistant Staphylococcus aureus (MRSA) can be considered an example of artificial selection because C) humans synthesize methicillin and create environments in which bacteria frequently come into contact with methicillin. This does not imply an intentional breeding program like what might be suggested by option A, rather it is the consequence of the use of antibiotics like methicillin in medicine which has inadvertently favored the survival of resistant bacterial strains. Unlike natural selection, artificial selection in this context refers to human actions that have inadvertently encouraged the proliferation and evolution of antibiotic-resistant bacteria.

The emergence of MRSA has caused significant concern within the medical community because the strain is resistant to a range of commonly used antibiotics, thereby presenting a real threat of serious infections that are difficult to treat. Moreover, MRSA's ability to transfer genes conferring resistance to other bacteria, potentially becoming a 'superbug', adds to the urgency in managing the use of antibiotics and developing measures to counteract resistance.

Answer:

I believe its option b. carbon dioxide.

The correct answer is b. carbon dioxide, which is required for the light-independent reactions of photosynthesis to synthesize sugars.

The light-independent reactions of photosynthesis, also known as the Calvin Cycle or the dark reactions, require carbon dioxide to produce glucose (sugar). Therefore, the correct answer to the student's question is b. carbon dioxide. These reactions do not require light and instead utilize the ATP and NADPH produced during the light-dependent reactions to synthesize carbohydrates by fixing carbon dioxide. They take place in the stroma of the chloroplasts, where carbon dioxide enters the photosynthetic tissue through stomata and is then incorporated into organic molecules in a process known as carbon fixation.

A group of genes that work together is called operon .

An operon is a cluster of genes that are transcribed together to give a single messenger RNA (mRNA) molecule, which therefore encodes multiple proteins

An operon consists of an operator, promoter, regulator, and structural genes.

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Answer:

The conversion of inorganic carbon to organic carbon by plants during photosynthesis is known as REABSORPTION...

The conversion of inorganic carbon to organic carbon by plants during photosynthesis is known as REABSORPTION. Thus, option "C" is correct.

Kidneys play an important role in urine formation, the body's homeostasis and getting rid of the body from the excretory waste products. The three main processes of urine formation is glomerular filtration, absorption and tubular secretion.

The absorption of water in the proximal convoluted tubule is important and necessary for osmosis maintenance and is termed as obligatory water reabsorption. The water reabsorption in the distal convoluted tubule is under the ADH control and termed as facultative water reabsorption.

Thus, option "C" is correct.

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Answer:

B

Explanation:

Y chromosomes are the male chromosome. A person with an XY sex chromosome pair will be male while that with an XX sex chromosome pair will be female. This is because the Y chromosome has a male-determining gene called the SRY. This gene is responsible for the development of testis.

Answer:

Phosphates are critical part of life because of the diverse roles they perform in the lives of living organisms, especially in DNA and RNA molecules.

Phosphates are formed from two elements, phosphorus and oxygen. Phosphorus is a very important element that play a crucial roles in the formation of bones and teeth. It is also plays vital roles in carbohydrate metabolism, fat metabolism, protein synthesis and repair of worn out tissues. Oxygen on the other hand is required for oxidation of biological fuel and for breathing.

Phosphates are usually formed from one atom of phosphorus and four atoms of oxygen, it has the chemical formula PO4. Phosphate is an important component of DNA and RNA molecules, phosphates hold these molecules together. Phosphate molecule is also found in ATP, which is the energy currency of living cells.  

Answer:

I think it would be an aquifer.

Explanation:

Answer:

C

Explanation:

The diagram above shows chloroplast, where photosynthesis takes place

Answer:it speeds up your heart rate to help you deal with danger.

Explanation:

Answer:

The metabolic abnormality that is responsible for diabetes mellitus is THE INABILITY OF THE BODY CELLS TO ABSORB ENOUGH GLUCOSE FROM THE BLOOD.

Explanation:

Diabetes mellitus is a metabolic disease condition in which the glucose molecules that are present in the blood are unable to enter the body cells. This may happen as a result of lack of insulin hormone or inability of insulin hormone to carry out its functions. People with diabetes mellitus usually have high amount of glucose in their blood because of the inability of the glucose molecules to enter the body cells. Because the glucose molecules can not enter the body cells for energy utilization, diabetic patients usually feel weak, thirsty and hungry and the excess sugar in their blood usually come out with urine when they urinate.

Diabetes treatment usually involve the use of artificial insulin to lower the raised glucose levels.

AnswerDISENEGRATE

Explanation:

Final answer:

The statement that incorrectly describes tissue perfusion is that the myogenic response is an example of extrinsic control, while it is an example of intrinsic control. Other options given correctly describe aspects of tissue perfusion involving kidney function, autonomic nervous system regulation, and local metabolite accumulation. So the correct option is c.

Explanation:

You asked which statement does NOT correctly describe tissue perfusion in the cardiovascular system. The correct answer is that the myogenic response is an example of intrinsic control of tissue perfusion, not extrinsic. Hence, the statement that does NOT correctly describe tissue perfusion is:

The myogenic response is a reaction to the stretching of the smooth muscle in the walls of arterioles in response to changes in blood flow through the vessel. It serves as a protective function to maintain homeostasis, trying to keep blood flow and pressure within certain limits to prevent damage to organs and tissues.

Here are the explanations for the other options that do correctly describe tissue perfusion:

Answer:

c. it provides strength to the plant by facilitating secondary growth

Explanation:

apical meristem is a region of actively dividing cells and found at both tip of plants that are shoots and roots, that are vitals for the plants to survive for many reason so yea i had nothing to say anymore i'm new with bio stuff

Final answer:

The accuracy of protein synthesis during translation relies on the attachment of the correct amino acids to tRNAs and the proper pairing of tRNA anticodons with mRNA codons.

Explanation:

Accuracy in the translation of mRNA into the sequence of amino acids in a polypeptide depends specifically on the attachment of amino acids to tRNAs and the subsequent bonding of the anticodon to the codon. During the process of translation, the ribosome facilitates the correct matching of tRNA anticodons with mRNA codons. Each tRNA has an anticodon that is complementary to an mRNA codon, and it carries a corresponding amino acid.

When the tRNA anticodon base pairs correctly with the mRNA codon, the ribosome catalyzes the formation of a peptide bond between the present amino acid and the growing polypeptide chain. This precise anticodon-codon interaction ensures the correct sequence of amino acids in the resulting protein.

Final answer:

Organisms that depend on other creatures for sustenance and energy are known as heterotrophs, or consumers. They cannot photosynthesize and include animals, fungi, and some bacteria and plants. Energy-wise, they rely on autotrophs like plants that synthesize their own food.

Explanation:

Heterotrophs and Consumers

An organism that relies on other organisms for its food and energy supply is called a heterotroph. These organisms, also known as consumers, cannot produce their own food through processes like photosynthesis. Consequently, they must eat or absorb organic material from other living things, including plants and animals. Heterotrophs play a vital role in ecosystems and can be classified based on their dietary habits into groups such as herbivores, carnivores, omnivores, and decomposers.

Heterotrophs include a wide range of organisms like all animals, fungi, many protists, and bacteria. These consumers show great diversity, but they all share a dependence on autotrophs (organisms that produce their own food using sunlight, such as plants and algae) for their energy. This connection means that the energy heterotrophs use can be traced back to autotrophs and the process of photosynthesis. Without autotrophs, heterotrophic life on Earth would not be able to sustain itself.

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C. independent variable, dependent variable

There are many different types of graphs, such as

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Answer: When corals are babies floating in the plankton, fish swim with them and protect them from harm.

Explanation: I just got it right. 100% trust

Answer:

It's called "Nephritis."

Explanation:

Hope my answer has helped you!

Answer:

The answer is graph D

Explanation:

In terms of star type, Massive stars or Blue Supergiants are most likely to become supernovae after they fully consume their fuel and experience gravitational collapse. The data mentioned in the question doesn't have connectivity with being a supernova.

The question asks which type of star is most likely to end up as a supernova. However, the information provided about different spectral curve peaks doesn't reign relevant to this question. That said, to answer the question in the astronomical context, the statement can be made - Massively large stars are most likely to end up as a supernova. Analogously, if you categorize stars by their types, Massive stars, particularly Blue Supergiants, are most likely to become supernovae after they exhaust their nuclear fuel and experience gravitational collapse. The enormous energy of this collapse causes the outer layers of the star to explode, creating the supernova.

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Answer:

C

Explanation:

DNA is what makes us each human and different!

Answer:

We breathe out carbon dioxide

Answer:

half-life

Explanation:

Answer:

I believe it is called the gametangium, hope it helps :)

Answer:

Answer is A.

Explanation:

C is pointing out the uterus, which is described in option A.

A is pointing out the ovary, which is described in option D.

B is pointing out the fallopian tube, which is described in option B.

Option C describes the cervix, which is not labeled in the diagram.