aa.29. SC.912.L.16.2When is a recessive allele expressed in offspring?when two copies are presentb. when parents have no dominant alleleswhen the offspring is heterozygousd. when one copy is presentc.

One reason carbon is an excellent element to form the basis of life on earth is that each carbon can bond with four other atoms.

Carbon is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent.

It is tetravalent because its atom makes four electrons available to form covalent chemical bonds. It is means that carbon can bond with four other atoms during a chemical reaction.

Thus, one reason carbon is an excellent element to form the basis of life on earth is that each carbon can bond with four other atoms.

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There are 6.25% homozygous dominant people (AA), 37.5% heterozygous people (Aa), and 56.25% homozygous recessive people (aa).

In a population with two alleles, p and q, the frequency of p and q must add up to 1, or 100%. In this case, p = 0.25 and q = 0.75.

Using the Hardy-Weinberg equation, we can calculate the expected frequencies of the three possible genotypes: AA, Aa, and aa. The equation is:

p² + 2pq + q² = 1

where p² represents the frequency of the AA genotype, 2pq represents the frequency of the Aa genotype, and q² represents the frequency of the aa genotype.

Substituting the given values of p and q:

(0.25)² + 2(0.25)(0.75) + (0.75)² = 1

0.0625 + 0.375 + 0.5625 = 1

Therefore, the expected frequencies of the three genotypes are:

AA = p² = (0.25)² = 0.0625

Aa = 2pq = 2(0.25)(0.75) = 0.375

aa = q² = (0.75)² = 0.5625

So in this population, we would expect to see 6.25% homozygous dominant individuals (AA), 37.5% heterozygous individuals (Aa), and 56.25% homozygous recessive individuals (aa).

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Anthropologists investigate the idea of culture and how it relates to people's lives in various historical and geographic contexts. In order to understand our own society better, they research other cultures. For aid in interpreting the present, they research the history.

In order to fulfil colonial demands, anthropological study also looks at the culture of the colonial endeavour itself, emphasising the establishment of hierarchies and the process of resource exploitation.

The study of every facet of human existence is possible thanks to anthropology. It serves as a portal to the abyss. We may learn about ourselves, our past, present, and future via the study of anthropology. The study of anthropology fosters global interconnectedness.

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Sequences of hydrophobic amino acids are the segments of the protein that span the membrane. Thus option B is correct.

The Primary structure of proteins is the linear structure of amino acids formed by Covalent, peptide bonds to form primary structure of protein.

Secondary structure protein defined as the folded structures formed by hydrogen bonding among the amine and carboxyl group of the peptide chain and it finally form polypeptide then into protein.

These secondary structure present in two structure such as α – helix which form a polypeptide chain by hydrogen bonding and twisting into a right-handed screw with the -NH group of each amino acid residue.

The β – pleated sheet form of protein are stretched out ,laid side by side together by intermolecular hydrogen bonds.

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The diameter of one onion cell would be approximately 0.37 mm or 370 micrometers (µm).

To determine the diameter of one onion cell, we need to know the magnification of the low power objective lens. Different microscopes may have varying magnifications for their low power objective. However, assuming a commonly used magnification of 10x for low power, we can proceed with the calculation.

Given:

Diameter of the field of view (FOV) = 3.7 mm

Magnification of low power objective = 10x

To find the diameter of one onion cell, we can use the concept of relative size.

Calculate the diameter of one onion cell in terms of the field of view (FOV):

Let "x" be the diameter of one onion cell.

x / 3.7 mm = 1 cell / FOV

Calculate the actual diameter of one onion cell:

Since we know the diameter of the field of view (3.7 mm) and assume a magnification of 10x for low power, we can calculate the diameter of one onion cell as follows:

x = 3.7 mm / 10

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when something is inherited

Answer:

The study of the form or structure of all living things is anatomy.                  

The study of form and structure of an living organisms is called anatomy.

Anatomy is a branch of science that deals with the form and structure of a living organisms. Anatomy includes external appearance as well as its internal parts. The study of anatomy started more than 2,000 years ago in the Ancient Greeks.

There are two main types of anatomy i.e. gross anatomy, and microscopic anatomy. The study of form and structure is known as anatomy so it is concluded that anatomy is the study of form and structure of an living organism.

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The statement that correctly pairs biotic factors with an effect on the biosphere is that biotic factors would decrease the oxygen in the soil.

Biotic factors of an ecosystem refers to the living components of that ecosystem. Biotic factors include the following:

Biotic factors make use of oxygen in the atmosphere to perform the process of respiration, hence, their presence will cause a decrease in the oxygen content.

Therefore, the statement that correctly pairs biotic factors with an effect on the biosphere is that biotic factors would decrease the oxygen in the soil.

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Answer:

D) Globular Clusters

Explanation:

A star system or stellar system is a small number of stars which orbit each other, bound by gravitational attraction. A large number of stars bound by gravitation is generally called a star cluster but, broadly speaking, they are also star systems. A star cluster is a group of stars that share a common origin and are gravitationally bound for some length of time. The two basic categories of stellar clusters are open clusters, also known as galactic clusters, and globular clusters.

Globular clusters is a type of star system.

Hence, the correct option is D.

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The cell membrane's inside is hydrophobic, meaning that water won't cling to it. In order to effectively separate fluid inside the cell from fluid outside the cell, phospholipids form a two-layer cell membrane.

Large hydrophilic polar or ionic molecules find it difficult to pass through the phospholipid bilayer. The cell membrane prevents the passage of any size charged atoms or molecules.

While the tails (the lipid component) are non-polar, the heads (the phospho part) are polar. The tails, which face the inside of the cell membrane, are "hydrophobic" (fearful of water), whereas the heads, which make up the exterior and inner linings, are "hydrophilic" (lovers of water).

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According to the research, the correct answer that during the transcription rna first play a role as mRNA, in the translation process as tRNA.

It is a molecule formed by a polyribonucleotide of variable length that contains uracil instead of iimine and is responsible for the regulation of gene expression, there are three types:

In this sense, the transcription of genetic information is the first step of gene expression where the messenger RNA carries information from the DNA to the ribosome and translation is a decoding process where the transfer RNA carries a certain amino acid to a polypeptide.

Therefore, we can conclude that according to the research, RNA first plays a role as mRNA, which is what proceeds to carry the information of one or more genes and which, moreover, are those that code for proteins.

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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

Exponential growth is shown in this experiment.

The finest illustration of exponential growth is seen in bacteria. By prokaryotic fission, prokaryotes, such as bacteria, divide. This division takes many bacterial species around one hour to complete. If 1000 bacteria are put in a large flask with an endless supply of nutrients, after an hour there will be one cycle of division (with each cell dividing once), resulting in 2000 individuals (so the nutrients will not become depleted). In another hour, each of the 2000 creatures will grow by two and create four times as many. There ought to be 8000 bacteria in the flask after the third hour. The fundamental tenet of exponential growth is that population expansion, or the number of organisms that are added to the globe with each reproductive generation, is accelerating.

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Answer:

Explanation:

the Golgi apparatus is involved in the processing of :

salivary amylase

this is because the GC is involved in the secretion of proteins and salivary amylase is protein secreted from the salivary glands

HIV (human immunodeficiency virus) is a virus that attacks the body's immune system. If HIV is not treated, it can lead to AIDS (acquired immunodeficiency syndrome). Learning the basics about HIV can keep you healthy and prevent HIV transmission.

Answer: 5TH OPTION

Crosscutting Concept: Patterns

Patterns observed in the natural world facilitate organization and classification, as well as raise inquiries about the underlying relationships and causes.

During my exploration of energy usage in residential settings, I discerned several discernible patterns. For instance, a prominent pattern emerged, indicating that the bulk of energy consumption in homes pertains to heating and cooling, followed by lighting and appliances. Moreover, I discovered that energy usage displays notable variations based on factors such as dwelling size, number of occupants, and climatic conditions.

These identifiable patterns enable us to comprehend the factors influencing energy consumption and identify avenues for conservation. By acknowledging that heating and cooling dominate energy use, we can channel our efforts towards enhancing the efficiency of these systems.

Utilizing empirical evidence, claims can differentiate between causal relationships and mere correlations, thus supporting the establishment of specific cause and effect linkages.

During my investigation into energy usage in residential environments, I employed empirical evidence to unveil distinct cause and effect associations. For instance, I observed a positive correlation between energy consumption and dwelling size. This relationship can be attributed to the increased energy requirements for heating and cooling in larger homes.

Similarly, I discovered that energy consumption rises alongside the number of occupants. This phenomenon arises due to the presence of more individuals utilizing appliances and lighting fixtures.

These cause and effect relationships foster a deeper comprehension of how our choices impact energy consumption. For instance, if we aspire to curtail our energy usage, we can opt for smaller homes or limit the number of occupants.

Crosscutting Concept: Stability and Change

Analysis and explication of geoscience data and global climate models reveal that modifications within one Earth system can yield feedback loops, which can either stabilize or destabilize the system.

Throughout my examination of energy usage in residential settings, I ascertained that alterations in a single energy-consuming appliance or behavior can trigger a chain reaction affecting other appliances and behaviors. Consider replacing inefficient light bulbs with energy-efficient alternatives; this simple change can prompt a behavioral shift to turn off lights when leaving a room, subsequently resulting in a substantial reduction in energy consumption.

These feedback loops empower us to comprehend how our choices can influence the environment. For instance, collectively opting for reduced driving can mitigate air pollution and greenhouse gas emissions.

By comprehending the crosscutting concepts of patterns, cause and effect, and stability and change, we can make informed decisions regarding energy usage. These choices enable us to diminish our environmental footprint and forge a sustainable future.

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Answer:

it would be C, or the third one. The percentage of red blood cells in a sample of human blood is normally about 45%.

hope this helped! <3

Answer:

15 is a normally blood of human

Answer: The population reached a carrying capacity and stabilized.

Answer:

the population stabilized

Explanation:

because it continues going up, not down

Testosterone is the hormone Indicated by the small hexagon in the red circle.

Testosterone is the primary sex hormone and anabolic steroid in males. In humans, testosterone plays a key role in the development of male reproductive tissues such as testes and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.

Testosterone is the male sex hormone that is made in the testicles. Testosterone hormone levels are important to normal male sexual development and functions. During puberty (in the teen years), testosterone helps boys develop male features like body and facial hair, deeper voice, and muscle strength.

Testosterone is a sex hormone that plays important roles in the body. In men, bone mass, fat distribution, muscle mass and strength, and the production of red blood cells and sperm. A small amount of circulating testosterone is converted to estradiol, a form of estrogen.

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Answer:

All adaptations help organisms survive in their ecological niches. ... Adaptation is the evolutionary process whereby an organism becomes better able to live in its habitat or habitats.

Explanation:

Answer:

Anterior pituitary

Explanation:

Most tropic hormones are produced and secreted by the anterior pituitary. The hypothalamus secretes tropic hormones that target the anterior pituitary, and the thyroid gland secretes thyroxine, which targets the hypothalamus and therefore can be considered a tropic hormone.

Many of the hormones produced by the anterior pituitary are tropic hormones (tropins)

Answer:anterior pituitary. I hope this helps

Explanation:

Most tropic hormones are produced and secreted by the anterior pituitary. The hypothalamus secretes tropic hormones that target the anterior pituitary, and the thyroid gland secretes thyroxine, which targets the hypothalamus and therefore can be considered a tropic hormone.The anterior pituitary produces ACTH. It is considered a tropic hormone. Tropic hormones indirectly affect target cells by first stimulating other endocrine glands

Answer:

all of the organs are needed for the human body

Viruses spread by infecting cells and replicating within them. There are several ways that viruses can spread from one person to another:

Direct contact: Viruses can be spread through direct contact with an infected person, such as through shaking hands or hugging.

Indirect contact: Viruses can also be spread through indirect contact, such as by touching a surface or object that has been contaminated with the virus and then touching one's face, mouth, or eyes.

Respiratory droplets: Some viruses, such as the virus that causes COVID-19, are spread through respiratory droplets that are produced when an infected person talks, coughs, or sneezes. These droplets can land in the mouths or noses of people who are nearby or be inhaled into the lungs.

Sexual contact: Some viruses, such as HIV and herpes, are spread through sexual contact.

Overall, viruses can spread through a variety of means, and the specific method of transmission can depend on the specific virus and the mode of infection.

The capillaries are adapted to their functions because their walls are just a cell thick making it possible for exchange to occur.

A capillary is defined as the type of blood vessels that is found all over the body which is the smallest type of blood that allows the transport of blood, nutrients and oxygen to cells in organs and body systems.

The physiological structure of the capillaries helps in the adaptation of their functions because they are just a cell thick which is not so for veins and arteries of the vascular system.

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The two major cell organelles involved in energy transformation are mitochondria and chloroplasts. Thus option A is correct.

Chloroplasts are the cellular organelle found in photosynthetic organism like plants and algae.

They  are present in mesophyll cells of leaves and contain a high concentration of chlorophyll which absorb sunlight; It is absent in animal cell.

Chloroplast has extra-nuclear DNA and are semiautonomous.

They synthesize food by the process of photosynthesis by absorbing sunlight into chemical energy.

It is major production house of  NADPH and molecular oxygen (O2) by photolysis of water; It produces ATP from photosynthesis.

It also indirectly involve in generation of carbon and sugar molecule during the Calvin Cycle or dark reaction of photosynthesis.

Thus option A is correct.

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Answer:

B

Explanation:

Answer: B

Explanation: Managing emotions is actually healthy, being able to control how you feel about a certain topic will make life much easier. Practicing this will only help in the future. Suppressing emotions will only stress you out more. Giving into emotions is obviously going in the wrong direction, don't give up.

Answer:

search sailesh xettri on messenger

Explanation:

bike guy