Translation
Match each part of the picture with its corect label on the right. Then answer the question
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I mRNA
2 TRNA
3. codon
4. anticodon
5. lone amino acid
6. growng polypeptide
Z large rbosomal subunit
8. small ribosomal subunit
UC
5 DACCCUAGÜCGGUAAAAAAAAA

Answer:

A) The role of bacteria fixing nitrogen is very important because it fixes atmospheric nitrogen in the roots of plants. For example, Azotobacter is a bacteria which lives in the root of the higher plants. The bacteria fixes nitrogen for the plant and the plant gives habitat and food to the bacteria and hence, both get benefit.

B) Nitrifying bacteria are the bacteria which converts ammonia into nitrates. Examples are Nitrosomonas and Nitrobacter.

C) Denitrifying bacteria is a type of bacteria which converts nitrates into atmospheric nitrogen. Examples are Serratia and Pseudomonas.

To prepare a serial dilution, you start with the stock solution and dilute it step-by-step. For a 1/20 dilution, take 1 part solution and add 19 parts solvent. For a 1/40 dilution, dilute the 1/20 solution further by taking 1 part of the 1/20 dilution and adding 1 part solvent. Similarly, for a 1/80 dilution, take 1 part of the 1/40 dilution and add 1 part solvent.

To prepare a serial dilution, you start out with a stock solution (in this case, the disinfectant) and dilute it step by step. To prepare the 1/20 dilution, you take 1 part stock solution and add 19 parts solvent. Then for a 1/40 dilution, you can dilute the 1/20 solution by a further factor of 2: take 1 part of the 1/20 dilution and add 1 part solvent. The same principle applies for the 1/80 dilution: take 1 part of the 1/40 dilution and add 1 part solvent, or you could take 1 part of the original stock solution to 79 parts of solvent.

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Answer:

an organisms ability to maintain a stable internal environment in the midst of external environment change is known as HOMEOSTASIS

Explanation:

Homeostasis entails regulation of body temperature when there is a need in ambient temperature or internal temperature. Organisms tends to regulate this for survival because every living organism has it required temperature for survival be it internally or externally

An organism's ability to maintain a stable internal environment despite changing external conditions is called homeostasis. This is a crucial aspect of biology because it allows organisms to regulate important functions, helping them survive in a variety of environmental conditions.

An organism's ability to maintain a stable internal environment in the face of changing external conditions is referred to as homeostasis. This is a central principle of biology, as it is essential for the survival and functioning of all living things. Homeostasis works through a series of feedback mechanisms that help control and regulate various body systems. Examples include temperature regulation, blood pH balance, and water and electrolyte balance. Without homeostasis, organisms would not be able to adapt to changing environmental conditions and could suffer severe health issues.

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Answer:

enable capillarity

Explanation:

It is well known that water tends to adhere to the walls of the vessel in which it is contained. This is due to the force of adhesion which is defined as the force of attraction between unlike molecules. Cohesion is defined as the force of attraction between like molecules. In the case of a plant, cohesion of water molecules in the xylem vessels prevents the water column from breaking. The forces of adhesion, surface tension and cohesion are the basis of capillarity,that is, the rise of liquids in capillary tubes.

Answer: The number of codons in the sequence is 21.

Explanation: A codon is a triplet of nucleotide which codes for a specific amino acid. Each amino acid has at least one codon that codes for it. Three nucleotide residues is required to form a codon and to code an amino acid. Since there are 63 nucleotides in the sequence, the number of codons present in the sequence is 63 divided by 3. 63/3 = 21

Answer:

1.  Estimated number of cases

2.  1998 ≈ 17,000 and 2003 = 24,000

3. 24,000 - 17,000 =7,000

4. Roughly about 7990

i hope this helps :)

Photosynthesis process corresponding with flow of matter and energy within ecosystem is given below.

Explanation:

Photosynthesis is the process by which the plants and other photosynthetic organisms make food.

Explanation:

Energy is transferred through an ecosystem by steps that make up food chain or food web. The primary producer of food are plants and some photosynthetic organisms. The food produced by the plants are fed by organisms of higher trophic level. The plants make food by the process of photosynthesis. Photosynthesis requires sunlight as the source of energy.

The solar energy gets converted to chemical energy and is stored in the form of ATP. When the consumers feed on the food they get energy and matter from it. However, only 10% of the energy is being transferred from one organism to another and the rest are lost in metabolic processes.

Answer:

A copy of DNA is passed on to new offspring.

Replication is the process by which DNA is copied.

Explanation:

During cell division, the DNA molecule in the parent cell must replicate accurately before the cell divides. The two strands are believed to separate. Each strand becomes a template that specifies the base sequence of a new complementary strand. Through the action of replicating enzymes, free nucleotides come and take up positions along the template strands. Covalent bonds are then formed between the new nucleotides resulting in formation of new DNA strand.

Answer:

A copy of DNA is passed on to new offspring.

Replication is the process by which DNA is copied.

Explanation:

Answer:

The rock below the earth's surface is bedrock. long-term water level declines caused by ground water pumping, drying up of wells, deterioration of water quality, and increased pumping costs.

The rock below the earth's surface is bedrock. long-term water level declines caused by ground water pumping, drying up of wells, deterioration of water quality, and increased pumping costs.

Groundwater may be near the Earth's surface or as deep as 30,000 feet, according to the U.S. Geological Survey (USGS).

Thus, rock below the earth's surface is bedrock.

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Answer:

The result of meiosis II is the formation of four unique cells, each carrying a new assortment of genes and chromosomes, and each with half the number of original chromosomes.

Explanation:

pls tell me if i got it wrong if i did sorry but glad i helped :)

Answer:

two haploid daughter cells

Explanation:

Answer:Margulis

She is the one who discovered it

Lucy, Twiggy, Daka, Boko

Explanation:

Twiggy refers to as the blog logistics. Logistics is a process that is used in planning as well as executing that deals with transportation as well as storage of goods .These goods are transported from the origin to that of the consumption point.

The main goal of logistics defines that it meets the requirement of the customer within the given period of time as well as in a cost effective way.FedEx , DHL and UPS are the most known logistics provider.

Answer:

Sample Response: Pick a reference point on the line to be the zero position. Determine the direction and measure the distance from zero in standard units.

Explanation:

Answer:

A. Water and nutrients are absorbed.

Explanation:

About 90% of water and nutrients digestion occurs in small intestine. Therefore the answer to thşs question is A.

Answer:

A

Explanation:

Some of the enzymes necessary for carbohydrate digestion are produced by bacteria in the small intestine. To promote digestion, the small intestine carries water from your circulation into your GI tract. Water is absorbed in the small intestine together with other nutrients.

Answer:

The correct answer is longer than those emitted by the sun.

Explanation:

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Answer:

E. phytoplankton

Explanation:

Phytoplankton, tiny organisms that live in the ocean, are autotrophs.

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Answer:

E. phytoplankton

Explanation:

Phytoplankton is an autotroph because it produces its own food.

Answer:

Glucose Transport

Explanation:

Glucose Transport is a highly regulated process accomplished mostly by facilitated diffusion using carrier proteins to cross cell membranes.

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The most likely process for the uptake of glucose into muscle cells is facilitated diffusion using GLUT4 proteins in response to insulin, with subsequent phosphorylation by hexokinase to maintain a concentration gradient.

The process most likely used to transport glucose into a muscle cell is facilitated diffusion via glucose transport proteins, specifically GLUT4 proteins. When insulin is present in the bloodstream, it triggers the movement of GLUT4 transporters stored in vesicles to the cell surface. This allows glucose to enter muscle and adipose cells more readily. Additionally, to maintain a concentration gradient and facilitate continual glucose entry into the cells, glucose is converted to glucose-6-phosphate by an enzyme called hexokinase inside the muscle cells.

Therefore, the muscle cells utilize an insulin-regulated mechanism involving GLUT4 to efficiently uptake glucose, which is then promptly metabolized to prevent any build-up of glucose within the cell, maintaining a steady influx from the circulating blood.

Answer:

they are

sunlight

water

Explanation:

Answer:

water, sunlight, and mountains

Explanation: these things are not derived from living organisms

A disposable copy of the DNA, in the form of messenger RNA (mRNA), is required for protein synthesis to transport the genetic code from the DNA in the nucleus to the ribosomes in the cytoplasm for translation into a protein. The mRNA acts as the intermediary between the DNA and protein, encoding the protein based on the DNA instructions. After the protein is formed, the mRNA is degraded, marking its disposability.

The necessity of a disposable copy of the DNA code in the form of mRNA for protein synthesis is rooted in the concept of the Central Dogma of Molecular Biology: DNA encodes RNA, and RNA encodes protein. Our cells use this principle to make proteins through a process involving two steps: transcription and translation. In transcription, an mRNA molecule is synthesized using the DNA code as a template. This mRNA carries the genetic information out of the nucleus and into the cytoplasm, where the machinery for protein synthesis is located. This is necessary because the original DNA resides safely in the nucleus.

In the second step, translation, the mRNA is read by a ribosome, and based on the specific sequence of nucleotide codons in the mRNA, appropriate amino acids are linked together in a specific order by tRNA molecules. This forms the protein. When the protein is fully synthesized, the mRNA detaches from the ribosome and is degraded. This way, each mRNA is a temporary, disposable copy of the specific DNA code. This process also supports multicellular organisms' need for mass-production of proteins from a single gene at once, as multiple ribosomes can attach to a single mRNA molecule and build multiple identical proteins concurrently.

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A disposable copy of the DNA code, in the form of messenger RNA (mRNA), is necessary for protein synthesis because it transports genetic instructions, protects the DNA from damage, allows multiple proteins to be synthesized simultaneously, and mitigates the impact of errors.

Having a disposable copy is essential for the following reasons:

Thus, the disposable copy ensures efficient and accurate protein synthesis.

Answer:

A

Explanation:

I got it wrong and it showed the correct answer

Answer:

A

Explanation:Because it shows what has undergone sympatric speciation

Answer:C) 0%

Explanation: The probability of the an offspring bein white is 0%. A cross between a homozygous purple plant and a homozygous white plant will result in all the offsprings having a genotype of Pp. Purple (P) is dominant over white (p) which is recessive, therefore offsprings with a Pp genotype are heterozygous for purple color and will manifest outwardly as purple plants. Therefore none of the offsprings will be white.

See the attached punnett square for illustration.

Option B: Mitochondria and chloroplasts evolved from small prokaryotes living within larger cells support the theory of endosymbiosis.

Explanation:

Endosymbiotic theory is based on the theory that eukaryotic cell organelles like mitochondria and plastids like chloroplasts were originally structured as independent free-living prokaryotic cells.

This theory stated that prokaryotic cells were either producing energy through aerobic respiration, or can undergo photosynthesis, or cannot undergo respiration or photosynthesis but just engulf other cells.

These free-living cells ended up staying in host cells through endosymbiosis.

Endosymbiosis is a mutual relationship which is beneficial to both the host and the associated organism.

For example, the relationship between termite and the microbes present in its gut is an endosymbiotic relationship.

Answer:

B. Mitochondria and chloroplasts evolved from small prokaryotes living within larger cells

Explanation:

Answer:

The best match to plant tissue to its function is "Vascular tissue transports materials from the environment into the plant."

Explanation:

Answer:

A

Explanation:

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Answer:

All are correct

Explanation:

The complete question is

In your experiment, you tested this hypothesis:

Hypothesis: If either parent mouse passes a dominant allele, then the offspring will have black fur.

You confirmed the above in steps 1 through 3, in which you changed the genotypes of the

parents and predicted the fur color, or phenotypes , of the offspring.

In steps 4 and 5, you reversed the process. You were shown the parents and offspring above. You did a (test cross) to identify the genotypes of the parents.

Solution -

The above experimental design can be improvised for obtaining best result in the following ways  

a) The sample size is very small, therefore the number of mice breeds must be increased in the experiment

b) If results for one trait are not as per expectations, it would be advisable to look for another trait in the mice.

c) Another thing which can be done is to look for the same trait in another mice species this will allow to remove skewness in experiment.

d) In Darwin's experiment, certain traits appeared after few generations of crossing, the same concept should be applied here and the traits must be looked for in the coming generations.  

Hence, all the given options are correct

Answer: b. cell walls contain chitin

Explanation:

Plant cell wall is made up of cellulose. Plants have cellulose cell wall. Plants are eukaryotes, multicellular and have chlorophyll. Eukaryotic cells have membrane bound organelles such as the nucleus, mitochondria, golgi apparatus, and Chloroplast. Therefore plants are eukaryotes because they contain membrane bound organelles. Multicellular organism are organism with many cells thus plants are multicellular because a single plant is composed of many cells. Plants have chlorophyll which is found in the Chloroplast. Chlorophyll is used by plants to trap sunlight needed for photosynthesis.

Cell walls contain chitin is NOT a characteristic of plants. Option B

Chitin is a structural polymer that makes up the cell walls of fungi and the exoskeleton of arthropods like insects and crustaceans. It does not, however, make up the cell walls of plants.

Cellulose makes up the majority of the cell walls in plants, giving them stiffness and stability. A complex carbohydrate called cellulose provides the foundation for the cell walls of plants. All the other things are contained by plants

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SpongeBob (Rr) and his partner (rr) can have children with either round (Rr) or oval (rr) eyes, with a 50% chance for each eye shape.

If SpongeBob, who has heterozygous round eyes (Rr), marries a woman with oval eye shape (homozygous rr), their children could have either round or oval eyes. To determine the possible genotypes and phenotypes of the offspring, a Punnett Square can be used:

SpongeBob's genotype: Rr (heterozygous round eyes)

Woman's genotype: rr (homozygous oval eyes)

The Punnett Square would look like this:

                            R (from SpongeBob)  r (from SpongeBob)

r (from woman) Rr (round eyes) rr (oval eyes)

r (from woman) Rr (round eyes) rr (oval eyes)

From this Punnett Square, we can see that there is a 50% chance the children will have round eyes (Rr) and a 50% chance they will have oval eyes (rr).

Answer:

Heterotrophs obtain chemical energy for their survival by eating plants and animals.

Explanation:

Heterotrophs obtain chemical energy from consuming organic molecules, primarily glucose, derived from autotrophs or other heterotrophs, then metabolizing them through cellular respiration to produce ATP.

Heterotrophs obtain chemical energy from organic molecules produced by autotrophs or other heterotrophs. Unlike autotrophs, which can produce their own organic compounds through processes like photosynthesis, heterotrophs rely on consuming organic matter for energy.

The primary source of chemical energy for heterotrophs is typically in the form of glucose, a simple sugar. Glucose is obtained through the consumption of plants, animals, fungi, or bacteria, which serve as food sources. Once ingested, the organic molecules in these food sources are broken down through processes like digestion into simpler compounds such as glucose, which can then be further metabolized to release energy.

Heterotrophs undergo cellular respiration to extract energy from glucose. In cellular respiration, glucose is oxidized in a series of enzymatic reactions, ultimately producing ATP (adenosine triphosphate), the molecule that serves as the primary energy currency in cells.

ATP can then be utilized by the cell to perform various cellular processes, including growth, repair, and movement. Thus, heterotrophs rely on the consumption and breakdown of organic molecules to sustain their energy needs and maintain cellular functions.

"Two haploid cells are formed" happens in meiosis during telophase I.

Answer: Option C

Explanation:

The chromosomes are inserted into nuclei during telophase I. The cell now needs to undergo a cytokinesis cycle, which separates the initial cell's cytoplasm into two daughter cells. One set of chromosomes are contained in each daughter cell and called as haploid or half the original cell's overall chromosomes number.

The parent cell has two poles, each with a full haploid set of chromosomes (consisting sister chromatids) when the meiotic process hits Telophase I. A cleavage furrow is formed at this point, splitting the cytoplasm of the cell into a half (cytokinesis). Once the cytoplasm is completely separated, the two originating daughter cells start planning for the second meiotic division.

In telophase I of meiosis, the cell divides its cytoplasm and forms new nuclear membranes around each set of chromosomes, resulting in two haploid daughter cells.

During telophase I of meiosis, the spindle fibers break down, and new nuclear membranes form around each set of chromosomes. This stage concludes with cytokinesis, where the cytoplasm of the cell divides, resulting in two haploid daughter cells. Each of these cells contains a unique combination of chromosomes due to the random assortment of one chromosome from each homologous pair. It is important to note that the sister chromatids are not pulled apart during telophase I; this event occurs later in anaphase II of meiosis II.