Must all species reproduce in order for the species to survive? A. No; plants don't reproduce, and they survive. B. No; not all species reproduce. C. Yes; without reproduction, living organisms would get lonely. D. Yes; without reproduction, once the living organisms died, there would be no offspring to replace them.

Answer:

water- carbon dioxide- and energy

Explanation:just did the question

Cells contain numerous enzymes acting as biological catalysts to speed up essential biochemical reactions. These enzymes interact with specific substrates, and their activity is crucial for sustaining life, exemplified by the health issues arising from enzyme deficiencies in conditions like Sanfilippo Syndrome type B.

Cells have a plethora of enzymes to act as biological catalysts. Enzymes are essential proteins in cells that catalyze biochemical reactions by lowering the activation energy required for the reactions to proceed. They are not consumed in the reaction, hence they can be used repeatedly. Substrates are the specific molecules that enzymes act upon, and each enzyme is specific to its substrate. For instance, the enzyme urease catalyzes the reaction involving the substrate urea. Without these biological catalysts, many necessary reactions would not occur rapidly enough to sustain life. An example of this is individuals with Sanfilippo Syndrome type B, who lack a particular enzyme, leading to cellular damage and severe health consequences.

Furthermore, enzymes can be classified according to their function: catabolic enzymes break down substrates, anabolic enzymes build complex molecules from substrates, and catalytic enzymes affect the rate of the reaction. All enzymes serve to increase the rate of chemical reactions, making them vital organic catalysts in living organisms.

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The correct answer is C. Decomposers

Explanation:

In ecology, decomposers are organisms such as bacteria that mainly decompose or break in smaller particles dead organism or waste produced by them and by doing this, they return nutrients of the living organisms to the soil. Due to this, decomposers are essential for the natural cycle of many substances and they are in the last stage in many food chains. According to this, the soil bacteria described has the function of a decomposer because this breaks down the wastes returning essential nutrients such as nitrates to the soil.

An ice age caused Earth’s oceans to cool, which killed many of the unicellular organisms. When the ice age ended and Earth warmed, the continents broke apart. This event allowed the shallow seas to cover the continents. The warming of Earth, accompanied by the seas covering the land, created the proper conditions for multicellular organisms to form.

Answer:

B.Proteins are made up of strands of glucose and joined together in specific sequences.

Explanation:

Proteins are made up of amino acids. An amino acid consists of an alpha carbon connected to an amino group (NH2) and a carboxyl (COOH) group. It also has a side chain 'R' which defines its many properties.

Amino acids link to each other via peptide bonds to form a protein. Two amino acids form peptide bond when amino group from one amino acid forms bond with carboxyl group of another amino acid and a water molecule is released in the process. This reaction is called as condensation or dehydration reaction.

Eventually the function and properties of a protein are determined by the amino acids in it and the way the protein has folded and taken a specific shape. Hence, the statement that proteins are made up of strands of glucose is false.

Materials warm up when light hits them due to energy transfer. The light energy is absorbed by the material and transformed into heat energy, similar to how sunlight warms the earth or a car's interior.

Materials typically get warmer when light is shined onto them due to a process called energy transfer. Light carries energy, which is absorbed by the material's atoms and converted into heat. This is similar to how sunlight warms the earth.

For instance, when sunlight hits a car's windshield, the car interior heats up. This is because the light energy is absorbed by the car's interior surfaces and transformed into heat energy.

This principle is also used in solar panels, where light energy is transformed into electrical energy. The warmth you feel when light hits an object is an indicator of this energy transformation.

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Answer: D) Different bacteria may be helpful or harmful.

Explanation: Took The K12 Quiz

Answer:

Explanation:

In the image attached, we observe that there are two curves, which describe a catalysed reaction and an uncatalysed reaction.

If you look carefully, you would notice that each curves represents the activation energy of each process, and the uncatalysed reaction has a higher rate of activation of energy, which means that the uncatalysed reaction requires more activation energy than the catalysed reaction.

In other words, the catalysed reaction requires less activation energy than the uncatalysed reaction.

Therefore, the right answer is the second choice.

Answer:

D

Explanation:

B) deposition is the correct answer

Wondercorn's genotype comprises strategically inserted genes from other organisms to enhance essential nutrient levels, ensuring stability and safety.

1. Wondercorn is a genetically modified (GM) corn variety engineered for enhanced nutritional content.

2. Its genotype is characterized by the insertion of specific genes, often from other organisms, to confer desirable traits.

3. Commonly, Wondercorn contains genes encoding for increased levels of essential nutrients like vitamins, minerals, or proteins.

4. These genes are strategically inserted into the corn's genome using advanced biotechnological techniques such as gene editing or genetic engineering.

5. The specific genotype of Wondercorn may vary depending on the intended nutritional enhancement and the methods employed during genetic modification.

6. Scientists meticulously design the genotype to ensure stability, effectiveness, and safety of the modified corn.

7. Before commercialization, rigorous testing and regulatory approvals are typically required to verify the safety and efficacy of Wondercorn.

8. Overall, the genotype of Wondercorn reflects the innovative fusion of genetic engineering with agricultural science to address nutritional deficiencies and enhance food security.

The differences between two molecules include the type of sugar that forms a section of the molecules and the identity of one of the four nitrogenous bases that make up another section of the molecules. These two molecules are DNA and RNA. They differ in their sugar components (ribose in RNA, deoxyribose in DNA), and in one of the nitrogenous bases (RNA has uracil instead of thymine which is in DNA). This sets the stage for their different roles in the cell.

Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are the two molecules that you are referring to. DNA and RNA are both nucleic acids, which are made up of smaller units called nucleotides. Each nucleotide is made up of three parts: a sugar, a phosphate group, and a nitrogenous base.

The type of sugar and the nitrogenous base can vary between the two. In DNA, the sugar is deoxyribose and the nitrogenous bases are adenine, cytosine, guanine, and thymine. In contrast, RNA has ribose as the sugar and its nitrogenous bases are adenine, cytosine, guanine, and uracil instead of thymine.

Furthermore, DNA usually exists as a double helix with two strands running in opposite directions and complementary to each other, while RNA is usually single-stranded. These differences in structure and composition account for their distinctive roles in the cell, with DNA storing genetic information and RNA playing a key role in protein synthesis.

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Fecal microbiota transplant (FMT) is a proven method with over a 90% success rate in curing patients infected with harmful bacteria like C. difficile by restoring balance to the gut microbiome using stool from healthy donors.

Fecal transplants can cure patients infected with harmful bacteria by restoring the microbiota of the gut. When antibiotics are ineffective, fecal microbiota transplant (FMT) therapy involves taking a stool sample from a healthy donor, which contains a beneficial gut microbiome, and administering it to the infected patient's colon via colonoscopy, endoscopy, sigmoidoscopy, or enema.

This introduces beneficial microbes and metabolites that help move the gut microbiome towards a balanced state, known as homeostasis. The success rate for resolving C. difficile infections using this method is reported to be over 90%. However, caution is necessary as donor samples could harbor other pathogens, so comprehensive research and optimized procedures are crucial for safety.

Fecal transplants restore healthy gut bacteria, effectively curing infections like C. diff by outcompeting harmful bacteria.

Fecal transplants, or fecal microbiota transplants (FMT), are a treatment that involves transferring stool from a healthy donor to a patient’s gastrointestinal tract. This process aims to restore the balance of healthy bacteria in the gut, particularly for patients suffering from infections caused by harmful bacteria, such as Clostridium difficile (C. diff).

When harmful bacteria overpopulate the gut, they can disrupt the normal microbiome, leading to conditions like diarrhea, abdominal pain, and more severe complications. Fecal transplants introduce a diverse community of beneficial bacteria, which helps to outcompete and eliminate the harmful bacteria.

The transplant is typically administered via colonoscopy, enema, or oral capsules. The beneficial bacteria in the donor stool repopulate the patient's gut, helping to restore its natural balance and improving gut health.

Research has shown that fecal transplants can be highly effective, with cure rates for C. diff infections exceeding ninety percent after one treatment. This success highlights the importance of the gut microbiome in overall health and disease management.

Amino acids. These class of compounds are considered the building blocks of most organisms, and around 500 of these are known and indentified. All proteins, carbohydrates, and nucleic acids are polymers ("many units") and each unit is an amino acid. 

Answer:

Most large biological molecules are polymers, long chains made up of repeating molecular subunits, or building blocks, called monomers. ... Carbohydrates, nucleic acids, and proteins are often found as long polymers in nature.

The pepsinogen is a protein. All the proteins in the body are coded by the DNA present in the genome. The DNA's 5' -3' strand or the template strand is transcribed by the process of transcription and result in the formation of the mRNA (messenger RNA). the formation of the mRNA by the help of RNA polymerase.

Then the mRNA undergoes the process of maturation. During maturation, splicing of the introns, capping and tailing takes place. The mRNA undergoes translation and forms the amino acids, with the help of tRNA molecule. The tRNA molecules brings the amino acid according to the codon present and these amino acids form a sequence, which later assemble to form a protein.

Hence, the correct sequence would be:

1. The DNA strands unwind, and RNA polymerase binds to the template strand.

2. The synthesis of mRNA begins.

3. The mRNA undergoes intron splicing and exits the nucleus.

4. The tRNA moves through mRNA with the activated amino acids attached to it.

5. The amino acids assemble to form peptide.

Tissues combine to form organs. A group of cells with a similar structure and function as a single unit is tissue. The intercellular matrix, a nonliving substance, fills the spaces between the cells. Some tissues may have a lot of this, while others may have little of it.

An organ is a collection of tissues that structurally form a functional unit that is specialized to perform a particular function. Organs include the kidneys, lungs, and heart. There are 10 enormous organs in the body, which incorporate skin, liver, cerebrum, lungs, heart, kidney, spleen, pancreas, thyroid, and joints.

Learn more about organs, here:

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