Consider one such cell where the magnitude of the potential difference is 40 mV, and the inner surface of the membrane is at a higher potential than the outer surface. A sodium ion (Na ) is initially just outside the cell membrane (initially at rest). How much work (in J) is required for a cell to absorb the ion, so that it moves from the exterior of the cell to the interior

All of the options are chemical approaches to control micro-organism excepts: B Disinfectants

19. The scientific name for modern man is: B. Homo sapiens

20. kingdoms are prokaryotic organisms placed D. Monera

21. Plants which have true roots, leaves, stem & seeds inside the fruit are: B. Angiosperm

22.  taxonomic groups contains closely related organisms A. Genus

23. Malaria causing single-celled parasitic protozoan is called: D. Plasmodium

24. kingdoms consists of eukaryotic organisms such as yeast, molds, and mushrooms A. Kingdom fungi

25. Ecology is a biological science that deals with except: D. none

26. The organism that are consumer is D. Scavengers

Disinfectants are special chemicals that are used to kill germs or prevent them from growing on surfaces or objects. They are not usually used to control microorganisms within living things, unlike antibiotics, antiseptics, and autoclaving, which are all chemicals used to control microorganisms.

Homo sapiens is the fancy name used by scientists to refer to regular, everyday humans This is the species that humans are a part of.

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18. All of the following are chemical approaches to control micro-organism excepts: A. Antibiotics B. Disinfectants

19. The scientific name for modern man is C. Antiseptics D. Autoclaving A. Homo erectus B. Homo sapiens

20. In which of the following kingdoms are prokaryotic organisms placed? A. Fungi B. Protest C. Australopithecus D. None C. Planate D. Monera

21. Plants which have true roots, leaves, stem & seeds inside the fruit are A. Gymnosperm C. Mosses D. Ferns B. Angiosperm

22. Which of the following taxonomic groups contains closely related organisms? A. Genus C. Phylum B. Order D. Class

23. Malaria causing single celled parasitic protozoan is called A. Paramecium B. Salmonella C. Mosquito D. Plasmodium

24. Which one of the following kingdoms is consists of eukaryotic organisms such as yeast moulds and mushrooms? A. Ecosystem B. Population

25. Ecology is a biological science that deals with all of the following except Answer the following questions. C. Kingdom monera D. Kingdom plantae A. Kingdom fungi B. Kingdom protista C. organism D. none​

26. Which of the following organism are consumers? A. Photosynthetic B. Chemosynthetic bacteria C. Green plant D. Scavengers

Answer:

See below

Explanation:

During dialysis, diffusion facilitates the movement of waste products and excess fluids out of the blood, restoring homeostasis.

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Unlike the other three kingdoms within the domain Eukarya (Animalia, Plantae, and Fungi), evidence indicates that protists do not share the same evolutionary lineage. As a result, five new taxonomic groupings called "Protist Supergroups" have been developed to explain evolutionary relationships among protists.

These supergroups include Excavata: A diverse group of protists that includes some of the earliest eukaryotic lineages, such as parasitic species and free-living flagellates.

Rhizaria: A group of mostly single-celled organisms that are characterized by a complex cytoskeleton and the ability to form pseudopods. SAR (Stramenopiles, Alveolates, and Rhizaria): A group of diverse protists that includes diatoms, brown algae, and some parasites.

Opisthokonts: A group of protists that includes fungi and animals, and is defined by the presence of flagella and/or undulating membranes. Amoebozoa: A group of amoeba-like protists that are characterized by their ability to form pseudopods.

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Answer:

yes true

Explanation:

your nervous system / sensory neuron sends signals to the brain to let you know you need to pull away from the object

If you touch a hot object, e.g.stove, hot food, the nerves in your skin shoot a message of pain to your brain. The brain then sends a message back telling the muscles in your hand to pull away. Thus, the Brain and the nervous system function together by having the brain send messages via the spinal cord to peripheral nerves throughout the body that serve to control the muscles and internal organs. Also, the neurons in our brain communicate with each other by sending chemical and electrical signals, making this reaction possible.

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Scientific research can help us to prepare for the future by helping  us improve water conservation efforts. Option B

Information regarding changes in precipitation patterns, water availability, and water quality can be found in scientific studies on climate change.

By implementing initiatives to save water resources, such as enhancing irrigation systems, reducing water waste, and creating more efficient water-use practices, this information can assist policymakers and communities in preparing for the future.

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DNA polymerase III is the most important enzyme in DNA replication. It adds nucleotides to the primer and extends the DNA strand. Therefore option A is correct.

DNA replication is a process where the two parental strands serve as a template for the synthesis of new daughter strands. DNA polymerase has the ability to add nucleotides only to the 3’ end of the primer, thus it can extend the DNA strand only from the 5’ to 3’ direction.

This enzyme has very high processivity and hence synthesizes new strands very quickly. It also has the proofreading ability which means it can remove the incorrectly added nucleotides by means of an exonuclease enzyme.

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Answer:

The answer is B

Explanation:

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Answer:

400 Newtons.

Explanation:

F=m*a

m = 200 kg

a = 2 m/s^2

F = 200 * 2

F = 400 N  

Answer:

mass = 200 kg

acceleration = 2 m/sec^2

force = mass × acceleration = 200 × 2 = 400 Newton = 400N

Answer:In most cases, people with MERRF inherit an altered mitochondrial gene from their mother, who may or may not show symptoms of the disorder. Less commonly, the disorder results from a new mutation in a mitochondrial gene and occurs in people with no family history of MERRF.

Explanation:MERRF is inherited in a mitochondrial pattern, which is also known as maternal inheritance. This pattern of inheritance applies to genes contained in mtDNA. Because egg cells, but not sperm cells, contribute mitochondria to the developing embryo, children can only inherit disorders resulting from mtDNA mutations from their mother. These disorders can appear in every generation of a family and can affect both males and females, but fathers do not pass traits associated with changes in mtDNA to their children.

Answer:

1. Recognition of foreign molecules - Defense

2. Receptors of extracellular signals - Regulation

Explanation:

Answer: B

Explanation:

The Galapagos tortoises became separate species because they were on different islands. This is an example of geographic isolation, where the separation of physical barriers (in this case, different islands) prevents gene flow and leads to the divergence of populations and the eventual formation of new species

Answer:

The percentage of their children is 25%

25% of their children will av A blood

Many transmembrane proteins feature as gateways to allow the transport of precise materials throughout the membrane. They frequently undergo large conformational adjustments to transport a substance thru the membrane. they may be commonly exceedingly hydrophobic and combine and precipitate in water.

Transmembrane and peripheral proteins are forms of membrane proteins present inside the cell membrane. Transmembrane proteins form channels and pores to move molecules across the membranes. in the meantime, the peripheral proteins on the extracellular surface are responsible for cellular-cell signaling and interactions.

Transmembrane proteins that amplify via the bilayer w/ part of their mass on either facet are amphipathic. -hydrophobic components (facet chains) interact with hydrophobic tails of lipids. -hydrophilic components are uncovered on both facets of the membrane.

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Answer:

The correct option is C) I-2, II-3, III-1

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

Answer:

I think it is because the sun has released energy and looses light in that area because of it.

Explanation:

Answer:

The simple squamous epithelium provides a smooth surface for the blood to "slide past." The tunica intima is continuous with the endocardium, makes-up the capillaries and is collectively referred to as the endothelium. It is also the target tissue for Vasopressin (ADH) Hormone and plays into blood pressure.

Explanation:

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Answer:

Explanation:

vPoint Source - a source of water discharged to surface water through a discrete point - generally through a pipe, ditch, or channel.

Nonpoint Source - Nonpoint sources, such as parking lots or athletic fields, discharge runoff water to groundwater or surface water; runoff does not come from  a pipe, ditch, or channel. These sources may contain pollutants such as pesticides, motor oil, and soaps.

Navigable Waters of the United States  For the purposes of the Clean Water Act, the term "navigable waters" includes:

all waters used in commerce, including groundwater;

all interstate waters including wetlands, mudflats, and sand-flats; and

all other waters such as lakes, rivers, streams, wetlands and sloughs.

EPA policy states, "The majority of facilities in the U.S. have the potential to discharge to navigable waters."  The Supreme Court decision in (2006) requires the Army Corps of Engineers and the EPA to determine whether there is a "significant nexus" between a navigable waterway and an area a spill might affect.  In June of 2007, EPA and the Army Corps of Engineers released provisional interpretive guidance regarding the "significant nexus” question. According to this guidance, the agencies will assert jurisdiction over traditional navigable waters, wetlands adjacent thereto, and relatively permanent tributaries thereof. The agencies will generally not assert jurisdiction over swales and ditches that lack routine water flow. Finally, the agencies will apply the "significant nexus" requirement and make a case-by-case, fact-specific analysis on impermanent tributaries and other wetlands.

Additional executive orders were issued 2015 in 2019.  Under the 2019 proposal, traditional navigable waters, tributaries to those waters, certain ditches, certain lakes and ponds, impoundments of jurisdictional waters, and wetlands adjacent to jurisdictional waters would be federally regulated. It also details what are not "waters of the United States," such as features that only contain water during or in response to rainfall (e.g., ephemeral features); groundwater; many ditches, including most roadside or farm ditches; prior converted cropland; stormwater control features; and waste treatment systems.

Could the requirement for one or more NPDES Discharge Permit apply to my campus?

If your campus discharges pollutants directly to navigable waters of the United States through a point source, you must obtain an NPDES permit or redirect the flow of the waste.

Stormwater releases from certain activities require an NPDES permit. The most common activities on college campuses requiring NPDES permits for stormwater are construction activities disturbing more than 1 acre, hazardous waste storage areas operating under the Resource Conservation and Recovery Act permit system, steam-generating power plants, and airports. See Stormwater section below.

Regulations issued by local water authorities, or Publicly Owned Treatment Works (POTWs), not NPDES permits, govern discharges into sanitary sewer systems. See Sewer Use (POTW) section below for more information about requirements for using POTWs for commercial or industrial waste disposal.

What do I have to do related to NPDES Discharge Permits?

Determine where wastewater flows from buildings and processes on your campus. Any industrial or commercial operation (e.g., ice rink melt pits, floor drains, and vehicle wash stations) that discharge into a water of the United States may require an NPDES permit. If required, you must obtain such a permit from the appropriate regulatory agency, probably your state environmental agency.

French drains, dry wells, and septic system leach fields are different from point source discharges because they do not immediately affect surface water. Some state and federal environmental agencies manage these systems under the Underground Injection Control program, part of the Safe Drinking Water Act. See Safe Drinking Water Act for more information.

Details of NPDES

Answer:

Phosphorus is a nonmetal multivalent element. It is most commonly found in combined forms and is a highly reactant chemical element of the nitrogen group.

Explanation:

It is found via inorganic phosphates in soils, bones, minerals, and natural waters.

It is also organically found in all living cells.

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Yes Emmerson's experiment supports this claim, the reason is because in the he did not made a general conclusion he said "nearly all" and in the experiment he was specific to surface water pollution, hence highlight the fact that there is also a case for deep water pollution that "he can not see"

What is surface water Pollution?

This can be defined as a type of water pollution in which pollutant occurs above the ground, like in streams, rives, oceans, it is basically caused by excessive nutrient found in waterways that leads to the growth of algae

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Answer:

No, because his experemint was of underground polution.

Explanation:

Answer:

a. This couple should not worry.

b. This couple should worry.

Explanation:

a. The man should not be worried. This is because he is normal (phenotypically).

b. They should be worried because the sister of the man can be a carrier of the recessive allele. If she was a carrier, then half of their male children can be affected.

Explanation:

DNA is made up of repeating units or chains are arranged in the form of a double helix and are held together by hydrogen bonds

Answer: Site B

Explanation: I took the test。