Coliform is a type of bacteria is universally present in of warm blooded animals; not harmful to humans, but the presence is commonly used as an indicator of potential because it indicates that human or animal has the water T/F

Answer:

true

Explanation:

Answer:

yes yes it does

Explanation:

Genetic change in bacteria can be brought about by mutation, conjugation, transduction, and transformation.

Genetic change refers to any alteration or modification that occurs in the genetic material of an organism. These changes can occur due to various factors such as mutations, gene flow, genetic drift, natural selection, and genetic recombination. Genetic changes can be inherited by the offspring of an organism and can contribute to the evolution of a species over time.

Genetic change in bacteria can be brought about by a variety of mechanisms including mutation, conjugation, transduction, and transformation.

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Answer:

Spinach and lettuce

Answer:

lettuce

spinach

Answer:

option (a) because....,

Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). ... Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA)

option (b) not because,

Within that centrosome there are two centrioles. And centrioles are physical objects made up of things called microtubules.

option (c) not because....,

Centromere repeats in humans are made up of alpha-satellite DNA, a ∼171 bp sequence or monomer that is iteratively repeated. Alpha-satellite monomers are arranged head-to-tail and organized into repeated arrays called higher order repeats (HORs) that range from 0.2 to 5 megabases (Mb) and are chromosome specific.

not option (d) because...,

Centromere repeats in humans are made up of alpha-satellite DNA, a ∼171 bp sequence or monomer that is iteratively repeated. Alpha-satellite monomers are arranged head-to-tail and organized into repeated arrays called higher order repeats (HORs) that range from 0.2 to 5 megabases (Mb) and are chromosome specific.

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The potentially useful effects of a fever include limiting the growth of certain pathogens, enhancing innate immune defenses to kill pathogens, and starving pathogens that rely on iron for growth.

However, overstimulating inflammatory responses is not a potentially useful effect of a fever. While inflammation is a natural response to infection and injury, excessive inflammation can cause tissue damage and contribute to various diseases. Therefore, it is important for the body to maintain a balance between the benefits of inflammation and its potential harmful effects. In the case of a fever, the goal is to activate the immune system to fight off pathogens while avoiding excessive inflammation. This is achieved through the release of cytokines that help regulate the immune response and maintain the body's temperature. In conclusion, overstimulating inflammatory responses is not a potentially useful effect of a fever, as it can cause more harm than good.

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Answer:

Species taxon includes the most specific characteristics.

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The most specific characteristics are seen in Species Taxon.

Taxon is defined as the unit of taxonomy which are arranged in a hierarchy from kingdom to species.

The taxonomic classification was given by Carlos Linnaeus who is known as the Father of Taxonomy.

In descending order it is classified as:

Kingdom - Phylum - Class - Order - Family - Genus - Species

A taxon is usually known by a particular name and given a particular ranking and is given formal science name, its use is then governed by one of the nomenclature code specifying which scientific name is correct for particular grouping.

Species are the most specific taxon which share common traits and characteristics closely to each other and are capable of interbreeding.

It is the largest group of organisms in which any two individuals of the appropriate sexes or mating type can produce fertile offspring through sexual reproduction.

Types of species:

- Typological/ Morphological Species:

Individuals are having fixed properties as can be easily recognized by the modern taxonomist.

- Recognition/ Cohesion species:

Group of sexually reproducing organisms recognizing one another as potential mates.

- Genetically similar

- Phylogenetic/ Cladistics species:

These are the smallest group based on unique combination of character states in comparable individuals.

- Evolutionary species:

Set of species adapted to a particular set of resources called niche in the environment.

- Genetic Species:

Set of genetically isolated interbreeding populations.

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Underexpression of components of the Par system might lead to small cells, with cell division sometimes occurring before complete chromosome partitioning. This could result in some cells lacking chromosomes, while others have two chromosome copies.

Additionally, underexpression of the Par system may lead to rounded cells, but not elongated rod cells. Peptidoglycan gaps during growth leading to lysis is not directly related to underexpression of the Par system.

Underexpression of components of the Par system might lead to normal sized cells, with some lacking chromosomes and others with two chromosome copies. This scenario is associated with option (c) - small cells, with cell division sometimes occurring before complete chromosome partitioning. This can result in uneven distribution of genetic material in the daughter cells, causing an imbalance in chromosome numbers.

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Answer:

option C

Explanation:

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The tough and rigid layer that surrounds plant cells, as well as some algal and bacterial cells, is called the cell wall. Therefore, the correct statement is option A.

The cell wall provides mechanical support to the cell, thereby, protecting it from damage caused by external factors. The cell wall consists of complex carbohydrates, such as cellulose, lignin, etc.

The cell membrane is selectively permeable, and the cell wall is porous allowing the passage of some molecules. The cell wall also helps in cell communication and signaling.

The cell wall determines the shape of the cell and helps in the regulation of growth and development. The thickness and composition of the cell wall change with respect to different environmental conditions and helps in the survival and function of many types of cells.

Therefore, the tough and rigid layer that surrounds plant cells is called the cell wall.

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Pollution may be defined as any form of unwanted substances or impurities which are present in the atmosphere of the earth that harm the lives of living entities.

Human and animal wastes, industrial wastes, and agricultural chemicals are potent sources of freshwater pollution.

Pesticides are generally spread in the agricultural fields to protect the crop from pathogens and are most likely to be found in runoff from farm fields during the rainy season.

An Estuary is a mini-ecosystem in which freshwater meets the marine water near the sea.

Therefore, it is well described above.

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True. DNA can only be extended by DNA polymerase in the 5' to 3' direction. This is so that the 5' phosphate group and the phosphodiester bond can be formed, which is catalysed by DNA polymerase.

Using a deoxyribonucleotide, DNA polymerase separates the two terminal phosphates from the nucleotide's 5' end and then uses the free energy to create a phosphodiester bond.

DNA polymerase can only synthesise in one direction by extending the 3' end of the previous nucleotide chain because it needs a free 3' OH group to begin synthesis. As a result, DNA polymerase travels in a 3'–5' direction along the template strand.

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'Chemosynthesis' basically is the process which a bacteria living near a heat vent on the ocean floor use to build carbon-based molecules, such as sugars.

What do you mean by Chemosynthesis?

Chemosynthesis is a process by which some organisms use chemical energy to produce carbohydrates. This process occurs in environments where sunlight is not available, such as deep-sea hydrothermal vents. Organisms such as bacteria and other microbes convert chemicals such as hydrogen sulfide and methane into energy, which they use to produce organic molecules such as glucose.

The bacteria living near hydrothermal vents on the ocean floor use chemosynthesis to build carbon-based molecules, such as sugars, from the hydrogen sulfide and other chemicals that are spewed from the vent. The bacteria use the energy from the chemical reaction to form carbohydrates from the chemical reaction, which are then used as a source of energy for the bacteria. This process is thought to be the first form of energy production for life on Earth, and is seen as an important part of the global carbon cycle.

Hence, option D is correct.

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Diuretics can increase a person's risk of a heat-related emergency by causing dehydration and electrolyte imbalances,

which can lead to heat exhaustion or heat stroke. Conduction and radiation refer to methods of heat transfer, while the abdomen is a part of the body and not related to medication risk for heat-related emergencies.

Diuretics are medications that increase urine output by promoting the excretion of water and electrolytes from the body. They are often used to treat conditions such as hypertension, congestive heart failure, kidney disease, and edema (swelling caused by excess fluid buildup).

There are three main classes of diuretics: loop diuretics, thiazide diuretics, and potassium-sparing diuretics.

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Answer:

River

Explanation:

it is the one that redds into the ocean. Trust

Answer:

The correct answer would be (d) River

Explanation:

The definition for river is a large natural stream of water flowing in a channel to the sea, a lake, or another stream

Answer:

co2 , o2 ,H2o

Explanation:

Phospholipid bilayer is B 2. Osmosis is X   3. Simple Diffusion is Y 4. Facilitated Diffusion is Z and  5. Channel protein is A.

1. One of the most important parts of cell membranes is the phospholipid bilayer.  It consists of two layers of phospholipids arranged in a way that their hydrophobic tails face inward, while their hydrophilic heads face outward. This structure provides a selectively permeable barrier, controlling the movement of substances into and out of the cell. Small, nonpolar molecules, like oxygen and carbon dioxide, can move freely through the bilayer, whereas bigger or charged molecules need particular transport methods.

2. Osmosis is the process by which water molecules move across a semipermeable membrane from from a region where the concentration of the solute is lower to one where it is higher.  It occurs in response to a concentration gradient, equalizing the solute concentrations on both sides of the membrane. Osmosis is essential for maintaining cell hydration and regulating fluid balance in living organisms.

3. Simple diffusion refers to the spontaneous movement of molecules from an area of higher concentration to an area of lower concentration. This passive process occurs across a concentration gradient and is driven solely by the inherent kinetic energy of the molecules. Small, nonpolar molecules, such as gases, can diffuse directly through the phospholipid bilayer, while larger or polar molecules require specialized transport mechanisms.

4.Passive transport method known as "facilitated diffusion" permits the passage of particular molecules through a cell membrane with the aid of carrier or channel proteins.  Unlike simple diffusion, facilitated diffusion allows for the transport of larger or polar molecules that cannot easily pass through the phospholipid bilayer. Carrier proteins bind to the molecules and undergo conformational changes to transport them across the membrane, while channel proteins form water-filled pores to facilitate the movement of ions or water molecules.

5. Channel proteins are integral membrane proteins that span the cell membrane and form channels or pores, allowing the selective passage of specific substances across the membrane.  These proteins provide a passageway for ions, water molecules, and other small polar molecules to move across the hydrophobic interior of the phospholipid bilayer. Channel proteins are highly specific and can be gated, meaning they can be opened or closed in response to various signals or stimuli, regulating the flow of substances in and out of cells.

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The complete question is:

According to the research, the correct option is endoplasmic reticulum. It is a membranous organelle stores calcium and is a primary site of lipid metabolism.

It is an organelle that is distributed throughout the cytoplasm of eukaryotic cells, acts as a calcium store in the cell and synthesizes most of the fats that make up the cell membranes, such as cholesterol and glycerophospholipids.

It is responsible for collecting and storing the calcium that is floating in the cytosol, this collection of this element is carried out through the action of calcium pumps that are found in the reticulum membrane.

Therefore, we can conclude that according to the research, the correct option is endoplasmic reticulum. It is a membranous organelle stores calcium and is a primary site of lipid metabolism.

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Answer: enzymes change the Keq for chemical reactions.

Explanation: many enzymes change shape slightly when substrate binds. reactions occur at the "active site" of enzymes, where a precise 3D orientation of amino acids is an important feature of catalysis.

Option C is correct. Migrating birds use celestial cues to navigate, a good deal as sailors of yore used the solar and stars to information them.

But in contrast to humans, birds additionally become aware of the magnetic discipline generated by way of Earth's molten core and use it to decide their function and direction.

Here's an superb fact: Adult robins have a magnetic compass in their proper eye that approves them to feel the direction of the Earth's magnetic field, and navigate when all different landmarks are obscured

Birds that nest in the Northern Hemisphere tend to migrate northward in the spring to take benefit of burgeoning insect populations, budding vegetation and an abundance of nesting locations. As iciness procedures and the availability of bugs and other meals drops, the birds pass south again.

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Answer:

Carbon Dioxide

Explanation:

Answer:

Carbon Dioxide

Answer:

Many enzymes function by lowering the activation energy of reactions. By bringing the reactants closer together, chemical bonds may be weakened and reactions will proceed faster than without the catalyst.

Higher Classifications: Protein

Explanation:

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\( \large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}\)

Photosynthesis is the process in which green plants derive their food (nutrients and water) through the capturing of light energy (sunlight) and using it to convert carbon dioxide (CO2) and water (H2O) into oxygen (O2) and other substances (compounds) that are rich in energy. Chlorophyll a green pigment present in plants is used in this process.

__________________

Formula ⟶ \(\boxed{\bf\:6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6 + 6O_2} \)

__________________

So, the products of photosynthesis are \(\large\boxed{\boxed{\bf\:C_6H_{12}O_6 + 6O_2}}\)

Evolutionary relationship refers to the  structures in organisms that show a common evolutionary ancestry.

The term evolutionary relationship refers to the  structures in organisms that show a common evolutionary ancestry.

In this case, the fact that birds cannot grasp objects with their wingtips, yet their wings have bones that are homologous to finger bones shows that  mammals evolved from a common ancestry.

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Answer: I wanna say that’s right

Explanation:

Answer: 2. Each SO2 molecule contains 2 atoms of oxygen.

Explanation:

Answer: 1 sulfur atom

Explanation:

Answer:

Answer D

Explanation:

improved water habitats for human recreation

Until equilibrium is reached or all of the substrate has been eaten, the amount of product will continue to increase.

It is possible to identify enzyme catalysis by measuring the appearance of the product or the disappearance of the reactants. The same reactants may be used in a reaction, but a different catalyst may produce different results.

The more the temperature rises, the more crashes occur. As a reactant's concentration rises, the likelihood of reactant collisions increases as well, accelerating the rate of the reaction.

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