Where is the diaphragm located? between the ribs inside the lungs below the lungs above the ribs

Cell or plasma membrane.

Answer: endoplasmic reticulum

Explanation: I just took the test and got it right

Very short-term bursts of stress can have a beneficial effect on many biological systems, including the immune system, which is your body's frontline defense against infection and cancer.

Answer: c

Answer:

C) Immune

Explanation:

Very short-temr bursts of stress can have a beneficial effect on many biological systems, incuding the immune system, which is your body's frontline defense against infection and cancer.

Answer:

The correct option is A.

Explanation:

Intraspecific competition refers to the type of competition in which living organisms belonging to the same specie compete for common limited resources. When the required resources that are needed to survive become scarce, then it is only the fittest organisms that will survive, these set of organisms usually found a way of adapting to the changes that occur in their environments and they usually go on to reproduce young ones that replace them. This process leads to evolution in which living organisms that possess the right traits are able to survive and reproduce in a particular habitat.  

Answer:

A

Explanation:

Answer:

IAIB

Explanation:

In the genetics of ABO blood types, there is one locus I, with three types of alleles A, B and i. A is dominant over i, B is dominant over i, A and B are codominant. Possible genotypes are:

A blood type: IAIA  and IAi

B blood type: IBIB and IBi

O blood type: ii

AB blood type: IAIB

Answer:

An individual's unique constellation of consistent behavioral traits is known as PERSONALITY.

Explanation:

An individual's personality is made up of the combination of behaviors, attitude, habits, emotions and thoughts that an individual typically exhibit on a constant basis. These unique features are derived from the genetic make up of the individual and operating environmental factors. There are different types of personality and each type have its characteristics features.

An individual's unique constellation of consistent behavioral traits is known as personality. Personality encompasses enduring patterns of thought, emotion, and behavior that contribute to an individual's unique sense of self. These traits, which range from introversion to extraversion to conscientiousness, are stable over time and make each person distinctive.

An individual’s unique constellation of consistent behavioral traits is known as personality. Personality is defined as an individual's consistent patterns of feeling, thinking, and behaving, making up what makes us distinctive from one another. From early childhood, these patterns emerge, manifesting in various ways, such as a person's activity level and their characteristic manner of interacting with others and the environment.

According to psychologists like Allport, personality traits are integral to an individual's sense of self, encompassing values, thoughts, feelings, preferences, and typical behaviors that are evident throughout much of their lifespan. These traits could be introversion, extraversion, conscientiousness, or a range of emotions like anxiety or self-assurance. The complexity of personality encapsulates dispositional traits, characteristic adaptations, and integrative life narratives, all situated within a cultural context.

Personality traits are thought to be stable over time and are not easily changed. They arise from neuropsychic systems that guide consistent behavior, reflecting a person's enduring, long-term characteristics. The original Latin meaning of 'persona' implies that a personality can be like a mask, representing or projecting specific traits of an individual's character.

Low birth weight, premature birth, miscarriage (fetus dies before the 20th week of pregnancy), birth defects (hearing issues, or heart defect)

Answer:

c heat

Explanation:

Enzymes act like (C) heat, as they are both catalysts

I'm not 100% sure but I think the answer is D. The moon's axis does not always align with Earth's shadow.

D

Why do they not happen every month? A lunar eclipse occurs when the Moon enters the Earth's shadow. A solar eclipse occurs when the Moon's shadow falls on the Earth. They do not happen every month because the Earth's orbit around the sun is not in the same plane as the Moon's orbit around the Earth.

i hope this helps chu

Answer:

Beta galactosidase will not be produced

Explanation:

Normally in lac operon, promotor is located before genes and it is necessary for the initiation of transcription.

Lactose operon or lac operon  (includes lacZ  lacY and lacA genes) is found in some bacteria and the products of its genes are involved in lactose metabolism. So, this operon is active (genes are transcribed) when lactose is present and glucose is absent. The operon is regulated by the lac repressor which acts as a lactose sensor and catabolite activator protein (CAP) which acts as a glucose sensor.

When there is lactose (in the form of allolactose) lac repressor detects it and stops being repressor. This enables transcription.

CAP detects glucose (via cAMP) and activates transcription when glucose levels are low/

Moving the promoter for the lac operon to the region between the lacZ and lacY genes would likely result in a disrupted transcription process. RNA polymerase may only transcribe the genes following the promoter, effectively not producing Beta Galactosidase as its gene (lacZ) will not be reached.

The lac operon, originally discovered in E. coli, is vital for the absorption and metabolism of lactose. It consists of three adjacent genes that are transcribed when lactose is present in the environment, allowing the bacterium to use it as a food source. The operon also contains a promoter sequence for RNA polymerase to bind and instigate transcription.

In your scenario, if the promoter for the lac operon was moved to the region between the beta galactosidase (lacZ) gene and the permease (lacY) gene, the most probable outcome would be a disturbance in the normal transcription process. As RNA polymerase typically binds to the promoter to begin transcription of all the genes in the operon, moving the promoter might result in only the genes that come after it, in this case only lacY, being transcribed. Therefore, Beta Galactosidase would likely not be produced since its gene (lacZ) would not be transcribed because it is before the promoter in this new setup. Consequently, RNA polymerase will no longer transcribe permease.

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Answer:

Epididymis

Explanation:

From the testes, the sperms travel to the epididymis. These structures can be found resting on top of each testes. Fresh out of the testes, sperms are not yet matured and this is where the epididymis takes over. The sperm are stored here and this is where sperm matures. From here, the sperm moves into the vas deferens.

Sperm exit the testes through the rete testes and efferent ductules after being produced in the seminiferous tubules, and then travel to the epididymis for further maturation.

Sperm are created through meiosis in the seminiferous tubules of the testes. As the spermatozoa mature, they move from the lumens into the straight tubules (or tubuli recti) and then into a network of channels called the rete testes. From the rete testes, sperm exit the testes through 15 to 20 efferent ductules that cross the tunica albuginea. The sperm then continue their journey to maturity and eventual ejaculation in the epididymis, and are later transported through the vas deferens out of the body via the urethra during ejaculation.

Answer:

Yes, natural selection does produce a change in individuals as well as populations.

Explanation:

Natural selection is a process through which mother nature screens for the organisms that are best adapted to survive in a habitat. The theory of natural selection suggests that with time the organisms acquire those characteristics from their ancestors which allow them to be better adapted to a habitat. The other characteristics which are not needed to get extinct over a period of time. Hence, evolution changes individuals as well as populations.      

Answer: Yes

Explanation: natural selection does produce a change in individuals as well as populations.

Answer:

CO2

Explanation:

Diffusion is a simple process of molecular movement, from their higher concentration to the area with their lower concentration. The process of CO2 movement from the pulmonary capillaries into the alveoli is part of the gas exchange (together with oxygen movenent in opposite direction) and it is actually simple diffusion. Alveoli have huge surface area, thin cell walls and a lot of blood vessels around them. All of these are adaptations that facilitate gas exchange. There is a gradient in partial pressure of the CO2:  it is much higher in the pulmonary capillaries than in the alveoili so it moves down its gradient-from the blood  to the alveoli (exhale).

Answer:

B. Changes in the size of a mouse population after hawks, a main predator of mice, are introduced into the area where the mice live

Explanation:

A community is defined as a group of populations of two or more different species which inhabit the same area at a certain time.

Community ecology is the study of the interactions between species in communities through time on a certain place. It includes the study of the distribution, structure, demography, and interactions between populations.

Answer:

c.the impact of removing or adding organisms to an ecosystem

Explanation:

Species that are introduced to new ecosystem by activity of the human are called introduced species or non-native species. As a consequence of their introduction, existing ecosystem might get affected and this is the negative impact, like in the case above. Introduced species might become invasive species when they spread too much.

Answer:

Your answer would be a NICHE.

Explanation:

when an animal in an ecosystem consisting of such things as what it eats, when it eats, and where it lives would be called a NICHE.

Answer:

niche

Explanation:

I suppose it's matching?

Answer:

Hope this helps and have a great day!!!

[tex]Sofia[/tex]

*btw, just had this!

Nutrition, metabolism (encompassing catabolism and anabolism), and enzymes all interact as part of the body's system for obtaining and using energy. Enzymes facilitate the catabolism of substances to create energy, and the anabolism of cell components using this energy.

The terms Catabolism, Enzyme, Metabolism, Nutrition, and Anabolism are all related to how the body gains, uses and stores energy. Nutrition refers to the intake of food and how the body uses the nutrients from this food for functions like growth, reproduction, and energy. Metabolism is the overarching term for all the chemical reactions in the body, and encompasses both catabolism and anabolism.

Catabolism is the part of metabolism where the body breaks down substances to harvest energy, and is facilitated by enzymes. On the other hand, anabolism uses this energy to build up components of cells such as proteins and nucleic acids. Moreover, enzymes are molecules, mostly proteins, that speed up biochemical reactions in the body, such as those in the catabolic and anabolic processes.

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Answer:

Mesopelagic zone

Explanation:

The Mesopelagic zone, also referred to as the Twilight zone, is the second oceanic zone from the top, lying just bellow the Epipelagic zone. It is occupying the waters at depths between 200 meters and 1,000 meters. The sunlight is only managing to reach the top few meters of this zone, while the rest is not receiving any sunlight, thus this zone is not supporting the plant species because they need sunlight for the process of photosynthesis. There are lot of animal species that live in this zone though, and they are ll very well adapted for it, often having hard shells or heavily scaled bodies, larger lungs and heart, and very well developed gills. Some of the animals that live in here are the crabs and the clams. They have developed all the needed characteristics to live in this zone. Because they are prey to lot of larger animals, both the crabs and the clams have started to use the soft sediments at the bottom as cover, digging themselves below it, and mostly managing to evade trouble and end up as food for the other species.

Answer:

the answer is a

Explanation:

Answer:

The answer is D

The correct definition of inertia is the tendency of a body at rest to stay at rest or of a body in motion to remain in motion. Thus, the correct option is D.

Inertia is the property of matter which causes it to resist the changes in velocity or direction of motion. According to the Newton's first law of motion, an object with a given velocity maintains that particular velocity unless they are acted on by an external force. Inertia is the property of the matter which makes this law hold true.

It is the tendency of a body at rest to stay at rest or a body in motion to remain in motion unless and until an external force is applied on it.

An example of inertia is when the bus stops suddenly, people in the bus fall forward. When the driver of a bus applies brakes of the bus suddenly, the lower part of the body comes to rest and the foot also comes at rest with the bus however the upper part of the body continues to move forward due to inertia of motion.

Therefore, the correct option is D.

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Answer:A

Explanation:i chose B and got it wrong

usa test prep

Answer:it’s A

Explanation:

4 whatever color is created by mixture of orange

Answer:

Green

Explanation:

The white light has 7 colors such as violet, indigo, blue, green, yellow, orange,  and red. This is designated as VIBGYOR. Every object has some light-absorbing capacity. We can see colors when a particular color gets reflected by the objects. For example, in leaves, the green lights are reflected, so it looks green. The absorbed light is transferred into another form of energy i.e. heat energy. The reflected color gives the object its color that we see. If all the colors will absorb, it gives black color. If the piece of paper absorbs all the colors except green, the color of the paper is green. Because green light is reflected while others get to absorb.

Answer:

C. Lysosome

Explanation:

Lysosmes are not commonly found in plants. They are mostly found in animal-like eukaryotes. Lysosomes have digestive enzymes that breakdown molecules like proteins, carbohydrates and the like. They also breakdown worn out organelles. When broken down, they exit the lysosomes in vesicles so that the cell can expel it. This is why lysosomes are called the garbbage disposal of the cell.

Final answer:

The organelle present only in animal cells and not in most plant cells is the c) lysosome. Lysosomes are responsible for breaking down biomolecules in animal cells, while plant cells use vacuoles for digestion.

Explanation:

The organelle found only in animal cells and not in most plant cells is c) lysosome. Lysosomes are known as the cell's "garbage disposal" where they aid the breakdown of various biomolecules. Plant cells typically perform these digestive processes in vacuoles. In contrast, chloroplasts are found in plant cells but not in animal cells, mitochondria are present in both animal and plant cells, and peroxisomes are also found in both but function differently depending on the type of cell.

Answer:

B. RNA polymerase transcribes through the terminator sequence, causing the polymerase to fall off the DNA and release the transcript.

Explanation:

Termination of transcription in prokaryotes can be performed in two ways:

The termination of transcription in prokaryotes occurs when the RNA polymerase transcribes through the terminator sequence, causing the polymerase to detach from the DNA and release the newly formed RNA strand.

The termination of transcription in prokaryotes is best described by statement B. RNA polymerase transcribes through the terminator sequence, which is a specific sequence at the end of a gene. This sequence signals the RNA polymerase to stop transcription and detach from the DNA. As a result, the newly synthesized RNA strand is released.+

The other options offered here are generally applicable to transcription and translation in eukaryotes, but not in prokaryotes. For example, polyadenylation signals and introns (option A and C) are features often found in eukaryotic genes. Similarly, the concept of a stop codon terminating transcription (option E) is a misunderstanding: stop codons are related to termination of translation, not transcription.

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Answer:

It separates the chest from the abdominal cavity and helps in respiration.

Explanation:

The diaphragm is a muscle structure located  between the abdomianal cavity and the chest. It is involved in the process of respiration, it has the role to facilitates inhalation and exhalation. During the inhalation, diaphragm contracts and becomes flat (this pulls the air into the lungs). During the exhalation, diaphragm relaxes.

I think B is the answer

Answer: B. It ensures that the quality of scientific research is maintained.

Explanation:

Peer review is the process of evaluation of research by people having similar study background and knowledge. It will be appropriately accomplished by experienced individuals. It involves studying the entire research writting by person other than the one who has done research. Such a person provides opinion and rectifies the mistakes. This process improves the quality of the research outcome.

Answer:

Y, X, Z , W

Explanation:

According to the density of the given substances, the order in which white light passes through these substances, from fastest to slowest is Y < X < Z < W. So, it's D.

Density may be defined as the mass or quantity of substances in a unit volume. It describes the compactness of any substance.

The intensity of light passes is inversely proportional to the density, which means density decreases, and the intensity of light passes increases.

Therefore, the correct order is Y < X < Z < W.

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Answer:

as biofuels that will not add any extra carbon dioxide into the atmosphere

Answer:

be cut by the same restriction enzyme, resulting in the formation of complementary sticky ends

In order to insert a human gene into a plasmid, both must be cut by the same restriction enzyme.

A restriction enzyme is a protein that cleaves specific nucleotide sequences in the DNA molecule.

During recombinant DNA techniques, both target DNA (i.e., the genetic sequence to be modified) and the gene sequence to be inserted are cleaved by restriction enzymes that cut at the same nucleotide sequence.

Subsequently, a specific enzyme called ligase catalyzes the joining (i.e., the ligation) of both nucleotide sequences by forming a new phosphodiester bond.

In conclusion, in order to insert a human gene into a plasmid, both must be cut by the same restriction enzyme.

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club drugs: lsd cause rapid heart rate

hallucinogens: bath salts causes hallucinations and can be dangerous to self and others

Drug#1: Marijuana

Marijuana is a drug used for medicine or personal uses that is made from part of a plant called Cannabis. Short-term side effects may include a decrease in short-term memory, dry mouth, impaired motor skills, red eyes, and feelings of paranoia or anxiety. Long-term side effects may include addiction, decreased mental ability in those who started as teenagers, and behavioral problems in children whose mothers used cannabis during pregnancy. There is a strong relation between cannabis use and the risk of psychosis.

Drug #2: Crack Cocaine

Crack cocaine, also known simply as crack or rock, is a free base form of cocaine that can be smoked. Crack offers a short but intense high to smokers. The Manual of Adolescent Substance Abuse Treatment calls it the most addictive form of cocaine. Crack cocaine is commonly used as a recreational drug. Effects of crack cocaine include euphoria, supreme confidence, loss of appetite, insomnia, alertness, increased energy, a craving for more cocaine, and potential paranoia (ending after use). Crack is such a strong stimulant that it creates severe stresses on the heart, the vascular system, the lungs and the brain. Blood vessels constrict from the stimulation of the drug and over time, can harden. Then when further stimulation occurs, these damaged blood vessels can rupture, leading to a stroke. Damage to the heart can lead to a fatal heart attack or cardiac arrest.

I got most my information from online so make sure to paraphrase!! Hope this helps

Answer:

C

Explain: USATEST prep said so