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gulaghasi [49]
3 years ago
5

Which statements describe a mushroom’s niche? Check all that apply.

Biology
2 answers:
Anvisha [2.4K]3 years ago
6 0

Answer:

Mushrooms are often found in moist areas.

Mushrooms break down dead plants.

Mushrooms reproduce through spores.

Explanation:

I did the test on edg.

DIA [1.3K]3 years ago
5 0

Answer:

Answer:

Mushrooms are often found in moist areas.

Mushrooms break down dead plants.

Mushrooms reproduce through spores.

Explanation:

i did the test

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1.What changes occur to chemical bonds during a chemical reaction?
mr_godi [17]

1.What changes occur to chemical bonds during a chemical reaction?

The chemical bonds will be altered or rearranged in chemical reaction. The bond that exist prior of the reaction could be separated or new bond will be formed. The rearrangement of the bond will change the properties of the molecule.


2.How does the change in energy of a chemical reaction predict whether or not the reaction will occur?

Chemical reaction happens when some subtrate molecule/atom collide. To start a chemical reaction there will be a certain amount of energy needed called activation energy. If the energy is not reaching activation energy, the reaction will not occur.


3.Explain the role of enzymes and how they affect the chemical reactions of living things.

Enzyme help chemical reaction by lowering the activation energy of the reaction, make the reaction faster and easier. Living things need to do some chemical reaction to produce and utilize energy. Enzyme could help those reaction, make the organism to produce and utilize energy faster. This will help the living things to fulfill their energy needs.


4.Explain why a key that fits into a lock is a useful model for the function of enzymes.

Key and lock model state that the enzyme is like a key that could only work with a certain type of lock. This because the enzyme has a specific active site in their three dimensional structure that could hold a substrate, and help the chemical reaction. Enzyme only work with substrate that could be hold by their active site, same as "lock" could only work with specific "key".


5.Explain how consuming an acid-neutralizing antacid might affect protein digestion.Apply the concept of activation energy to support your explanation.

Protein digestion happens in the stomach by pepsin enzyme. The ideal condition of the enzyme to work is in acid pH. Using antacid will cause the pH to become neutral. This will alter the enzyme structure, make the enzyme didn't work. If the enzyme didn't work, the activation energy will be much higher and protein digestion will be slower.


6.Predict which temperature ----(20degrees Celsius ,39 degrees celsius, or 50 degree Celsius) --- you would expect a human enzyme to function best.Plan a simple investigation to test your hypothesis.

Human is a warm blooded mammals that keep their body temperature around 37 degrees celsius. The ideal condition of human enzyme activity would be around that temperature. From the option, 39 degrees would be the most appropriate as it was the closest to 37 degrees.

You can investigate this by taking some enzyme and examine their speed in container with different temperature.

6 0
3 years ago
Briefly explain what happens during Meosis 1.
Nesterboy [21]

Answer:

Explanation:

During meiosis one cell, divides twice to form four daughter cells. These four daughter cells only have half the number of chromosomes of the parent cell.  they are haploid. Meiosis produces our sex cells or gametes. (eggs in females and sperm in males)

5 0
2 years ago
Imagine that a large amount of pesticide was spilled onto the ground, and the plants near the spill died. If the deer in the are
tatiyna

The deer and wolf population would decrease because the deer have less plants to feed on while already being eaten by the wolves, and eventually the wolves will have less deer to feed on which will decrease their population

4 0
2 years ago
Someone help me with this
nadya68 [22]
A horseshoe crab has been around for almost 500 million years. They are classified as arthropods and not actual crabs. However, There are many reasons that have helped them survive this long including, they can eat almost any organic matter. There blood is different from normal, in fact it’s blue. This blood helps them heal any wounds right away. They can also live in areas with very low levels of oxygen, meaning habitat is not a big issue for them. Evolution has also helped them grow and adapt seeing as they’ve survived this long.

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5 0
3 years ago
Which step in transcription occurs first?
marusya05 [52]

Answer:

<em>Option 3 </em>: RNA polymerase attaches to the promoter.

Long Answer:

<h2>What is RNA? How is RNA produced?</h2>

RNA is a nucleic acid that is single stranded and comparable to DNA. DNA is also known as deoxyribonucleic acid, whereas RNA is short for ribonucleic acid. The word "ribo" in the name refers to the kind of sugar that makes up the nucleic acid backbone. Although RNA comes in a variety of forms, the three primary kinds all play crucial roles in the cell's translation of the DNA code into functional proteins. A copy of a gene's DNA sequence, known as messenger RNA, exits the cell's nucleus. A ribosome converts the sequence in the mRNA into a polypeptide (unprocessed protein). RRNA is used to make ribosomes (ribosomal RNA). The polypeptide's building blocks, amino acids, are joined to tRNAs (transfer RNAs). Transfer RNAs ensure that the right amino acid is delivered to the polypeptide that the ribosome is producing by matching with their complement bases on the mRNA.

<h2>What is transcription in biology?</h2>

Transcription is the biological process through which a complementary RNA strand is created using DNA as a template. This is the initial phase of either the creation of proteins or the transfer of information inside a cell. Genetic information is stored in DNA, which is subsequently used to transmit it to RNA during transcription and then control the synthesis of proteins during translation. Messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA are the three forms of RNA that may be produced (rRNA). Pre-commencement, initiation, elongation, and termination are the four phases of transcription. By attaching to a promoter region at the 5' end of a DNA strand, the RNA polymerase subunit starts pre-initiation, also known as template binding. The enzyme can access the template strand because the DNA strand is denatured, which separates the two complementary strands. Partner strand refers to the opposite strand. The DNA strand's promoter sequences are essential for the effective start of transcription.The identification of some of these motifs, including TATAAT and TTGACA in prokaryotes and TATAAAA and GGCCAATCT in eukaryotes, has been determined. Promoter sequences are particular sequences of the ribonucleotide bases making up the DNA strand (adenine, thymine, guanine, and cytosine). These patterns are referred to as cis-acting elements. For RNA polymerase to more easily attach to the promoter region in eukaryotes, an extra transcription factor is required.

<h2>What is the process of transcription and translation within biology? What are some examples?</h2>

First, the double-stranded DNA unzips, and the mRNA strand generated (the sense transcript) will be complementary to the original strand of DNA (therefore containing particular codons/triplets of bases) and connected to the DNA through hydrogen bonds between complementary bases. Following this, the mRNA generated will separate from the DNA, exit the nucleus through a hole, and enter the cytoplasm. Then it will connect to a ribosome, which is where translation takes place. Specific amino acids are delivered to the ribosome via tRNA anticodons that are corresponding to the mRNA codons (as they have specific amino acid binding sites). When two tRNA molecules are present in the ribosome, they keep the amino acids in place while a condensation process creates peptide bonds between them to form a dipeptide. This procedure is repeated to create a polypeptide chain or protein by condensation polymerization, which has a certain primary structure because it contains a particular amino acid sequence or order. The translation step is now. Due to specific interactions (such as ionic bonds, disulfide bridges, covalent bonds, and hydrogen bonds) between particular R groups, this structure folds in a specific way, resulting in the secondary structure, which can be an alpha helix or a beta pleated sheet, and then the functional tertiary (3D) protein, which has a specific structure and consequently a specific function. As a result, it influences a cell's structure and functionality, leading to its specialization. A quaternary structure can be created by making further changes to the tertiary structure. This happens when the tertiary structure is linked to another polypeptide chain (for example, collagen is a fibrous protein made up of three polypeptide chains wound around one another and joined by hydrogen bonds) or another non-polypeptide group via covalent bonding or London forces/permanent dipole forces/ion dipole forces to form a conjugated protein (for instance, the conjugated globular protein haemoglobin contains the prosthetic group Fe2+). Thus, some proteins with a particular structure and consequent function are generated during translation. These proteins alter the structure and function of the cell, leading to its specialization.

#SPJ6

3 0
1 year ago
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