during translation, the code for genetic information changes from-
A. proteins to amino acids
B. nucleic acids to amino acids
C. proteins to nucleic acids
D. amino acids to nucleic acids

Answer:

it's C

Explanation:

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d) AA;BB;cc;dd genotypes will be rarest to observe among the progeny.

Explanation:

Let us cross the given alleles of the gene

Aa X AA                   Bb X Bb       Cc X cc       Dd X Dd

   A  a                         B    b             C   c             D  d      

A AA  Aa                 B BB Bb         c Cc  cc       D  DD  Dd

A  AA  Aa                 b Bb  bb         c  Cc   cc     d Dd   dd

From the above results of crosses, it can be concluded which of the genotypes is rarest among the progeny. The genotype ratios in:

In the first case it can be both as they are in the ratio of 2:2

In the second case 1:2:1

in the third case  2:2

in the fourth case 1:2:1

So least occurring genotypes are

AA;BB;cc;dd

AA;BB;cc;dd genotypes will be the rarest to observe among the progeny

d. AA;BB;cc;dd

Explanation:

AaBbCcDd X AABbccDd

Aa X AA - AA, AA, Aa, Aa - Genotypic ratio = 1:1

Bb X Bb - BB, Bb, Bb, bb - Genotypic ratio = 1:2:1

Cc X cc - Cc, Cc, cc, cc - Genotypic ratio = 1:1

Dd X Dd - DD, Dd, Dd, dd - Genotypic ratio = 1:2:1

We can see that the heterozygous combinations occur more in number.

Whereas, Homozygous recessive appears the least.

Therefore, the rarest to observe among the proge is AABBccdd as is has two recessive combination.

Explanation:

Atmosphere is formed by mixing of gases. The layers of atmosphere is given below.

1. Troposphere -

2.Stratosphere -

3. Mesosphere -

4. Thermosphere -

Answer:

C fish

Explanation:

Fish are alive

Answer:

there are many causes to why a person drowns but the most common reasons are an inability to swim,  panic in the water,  leaving children unattended near bodies of water,   falling through thin ice, and  alcohol consumption while swimming or on a boat.

Explanation:

Yes, having the Safety Data Sheets (SDS) located on a computer in the employer's office can comply with OSHA requirements as long as employees have easy and immediate access to the information during their work shift.

Under the Occupational Safety and Health Administration (OSHA) guidelines, employers have the responsibility to provide their workers with a safe workplace that has no serious hazards, and to inform workers about chemical hazards through training and methods like chemical information sheets and Safety Data Sheets (SDS). An SDS is a detailed document that provides information about handling, storing, and disposing of chemicals safely. If these SDSs are located on a computer in the employer's office, it can comply with OSHA's requirements, provided that employees have easy, immediate access during their work shift. This access should not be hindered by barriers such as locked doors or needing special permissions, which could delay the retrieval of vital safety information.

The SDS must be readily available and not just during an emergency; workers should also be trained on how to access and interpret the information. The aim is to ensure that every employee comprehends the safety and health hazards of the chemicals and processes they work with to protect themselves, their colleagues, and the surrounding community. Hence, while having SDS on a computer is acceptable, the ease of access and proper training on its use are both critical compliance aspects.

Employers must provide safety data sheets to employees to ensure workplace safety and compliance with OSHA standards in order to fulfill his responsibilities as an employer.

Employers have certain responsibilities under the Occupational Safety and Health Administration (OSHA) to ensure a safe working environment. One of these responsibilities is to inform workers about chemical hazards. This can be done through various methods including training, labels, and providing access to Safety Data Sheets (SDS). According to OSHA requirements, an employer is supposed to make SDS readily available to employees when they are in their work area(s). Therefore, having the sheets only on a computer in the employer's office does not seem to comply unless workers have immediate and unimpeded access to that computer at all times during their work shift.

Safety Data Sheets contain critical information on handling chemicals safely, potential dangers, and procedures for emergencies. Employers must also provide adequate training in understanding and using these data sheets effectively. This all forms part of an employer's obligation to minimize health risks in the workplace, which includes making employees aware of hazards and ensuring they understand the risks associated with their job, particularly when working with hazardous materials.

Answer:

financial stress and family stress

Explanation:

When learners go to college or a university, their family expects a lot from them especially when the parents are the ones who brought the learner to study. This causes stress on the learners. Choosing the major can also be stressful, especially when the family intercedes in the learner's decision. This also creates a financial burden on the learner, especially when the learner supports himself. So, he has to balance studying while working. If he has a scholarship, he has to maintain his grades in order to keep up.

In the same way, a person who goes to the workplace is also expected by his family to provide them financially. This creates a financial stress on his end. Besides this, he is also expected to make commitments especially when he has children. He needs to balance working while taking care of his kids and attending to their needs at home and in school. This is how family stress can affect him.

Final answer:

In a post-school destination such as college, university, or the workplace, learners may encounter various stressors that can affect their well-being and performance. Two types of stressors commonly experienced in these environments include:

Explanation:

Academic or Workload Stress:

Academic stressors in college or university settings can include heavy workloads, challenging assignments, exams, and academic pressure to perform well.

Workplace stressors may involve high workloads, tight deadlines, demanding projects, and the pressure to meet job expectations and deliver results.

These stressors can lead to feelings of overwhelm, anxiety, and pressure to succeed academically or professionally.

Social or Interpersonal Stress:

Social stressors in college or university settings may include difficulties in forming social connections, homesickness, conflicts with roommates or classmates, and feeling socially isolated.

Workplace stressors may involve interpersonal conflicts with colleagues or supervisors, difficulties in communication, workplace harassment or discrimination, and feeling disconnected from the workplace culture.

These stressors can impact individuals' sense of belonging, self-esteem, and overall emotional well-being.

Both academic/workload stress and social/interpersonal stress can have significant effects on learners' mental health, physical health, and academic or professional performance. Educational institutions and workplaces need to provide adequate support systems, resources, and strategies to help learners effectively cope with and manage these stressors. This may include access to counseling services, stress management workshops, mentorship programs, and creating a supportive and inclusive environment that promotes well-being and resilience.

Answer:

When do new species develop?

New species develop after fertilization has occurred which brought about a new organism or specie callled a zygote. Such new species inherit traits from parents

Explanation:

Example is conversion of NAD+ to NADH+ is an example of reduced in metabolism.

Explanation:

Oxidation and reduction or redox reaction means transfer of electron from one atom to another in a compound.

In photosynthesis and respiration redox reaction are seen.

The substance that gain the electrons in  metabolic reaction is said to be reduced.

In respiration process oxygen is being reduced. The NAD+ accepts hydrogen ion  and 2 e- to become NADH+H+. These are electron carriers.

The reactions can be seen in glycolysis, Kreb's cycle.

Answer:

The part of the atom from which a subatomic particle is being removed, to become an ion, and that the student should show is from the outermost energy level of the atom (option D).

Explanation:

Ions are atoms with an electric charge, caused by the gain or loss of electrons. The most external atomic orbital, or energy level, is the one that has the property to acquire or lose electrons so that an atom becomes an ion.

Whereas an electron has a negative charge, two things can happen:

In this case, the student must make a scheme that shows the subatomic particle -electron- the atom is losing comes from its outermost orbital.

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Answer:

Option D

Explanation:

The chemical formula  of epinephrine is  [tex]C_{6} H_2(OH)_3C_3H_6NH[/tex] which contain

Carbon number=9

and Hydrogen number=12

To calculate this, we have to add the valency of the given element.

The velocity of a stream is influenced by the stream gradient, sediment size, discharge volume, channel geometry, and obstructions or channel roughness, which all contribute to the stream's overall flow characteristics.

Factors Determining the Velocity of a Stream

Several factors contribute to the velocity of a stream, which is the speed at which water moves through a cross-section of the stream. Here are five key factors:

Stream Gradient: The slope or steepness of the stream's course affects velocity. A steeper gradient generally leads to a faster flowing stream.

Sediment Size: Large sediments on the stream bed offer more resistance compared to smaller particles, thus affecting the stream's velocity.

Discharge Volume: The amount of water passing through the stream also impacts its velocity. More discharge typically means higher velocity.

Channel Shape and Size: The geometry of the stream channel influences how water flows, with narrower or shallower channels often leading to faster flows.

Obstructions and Channel Roughness: Presence of vegetation, rocks, and variations in channel smoothness create friction, altering the velocity.

Different aspects such as ground-water movement, stream erosion, and deposition also play a role in water flow dynamics. Understanding these variables is essential for managing water resources and studying ecological systems.

The name given to energy stored in food is called calorie.

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Final answer:

Natural selection occurs when there is a variation of traits, the heritability of these traits, competition for limited resources, and differential survival and reproduction (fitness) which leads to evolutionary changes in a population.

Explanation:

To understand Darwin's theory of natural selection and what must be occurring in a population for it to take place, we must consider Darwin's four postulates. These factors are essential for the mechanism of evolution through natural selection.

These principles form the basis of Darwin's theory of natural selection, illustrating how populations change over time and how new species can evolve.

Answer:

The correct option is C) How does allele frequency change between generations?

Explanation:

Hardy and Weinberg brought forward the Hardy- Weinberg theorem or principle to explain that the allele frequencies in a population change due to certain evolutionary events. If these events do not take place, then the allele frequencies of a population will remain the same. Their theorem explains how evolutionary conditions such as mutations, genetic drift, natural selection cause the allele frequency to change in generations of a population.  Hence, option C is correct.

Answer:

Methionine, Glutamic Acid, Serine, Arginine, STOP

Explanation:

The correct answer is Methionine, Glutamic Acid, Serine, Arginine, STOP.

The amino acids coded in the piece of mRNA are Methionine, Glutamic Acid, Serine, and Arginine.

AUG - Methionine

GAA -Glutamic Acid

UCU -Serine

AGG - Arginine

UAG- STOP

The genetic code is hard and fast of three-letter mixtures of nucleotides known as codons, every of which corresponds to a particular amino acid or forestall signal. The idea of codons changed into first defined through Francis Crick and his colleagues in 1961.

Thus concluded that A piece of mRNA has the code AUG GAA UCU AGG UAG has Methionine, Glycine, Serine, Aspartic Acid, STOP

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Answer: The genotype of a female is XX while that of a male is XY. The probability of them having a male child is 1/2 while the probability of having a female child is 1/2.

Explanation: Normally, females have two X chromosomes (XX) while males have one X chromosome and one Y chromosome (XY). In a cross between a man and a woman, there is fifty percent chances of having a female child and also fifty percent chances of having a male child. Therefore, the probability of having a female child is 1/2 while the probability of having a male child is also 1/2.

See the punnett square attached

The gene mutation is a permanent adjustment in the DNA sequence that can replicate but differ from another.

Explanation:

There is a constant change of DNA in the process of gene mutation, the gene mutation is a permanent adjustment in the DNA sequence that can replicate but differ from another.

Mutations can take the form of anatomy and deletions, creating a wide variety of lengths known as indels. This insertion and deletion in the sequence of nucleotide is called frame shift mutation.

This result comes out as a complete alteration of amino acid sequence. The who mRNA sequence would be read differently and produce a different kind of amino acid which produces polypeptide chain.

It would cause different proteins to be produced during translation. plzz give me brainliest!!

The day on the Moon for any future settlers will last roughly around 29.5 days.

Explanation:

The Moon, as all the space objects that are not bright themselves, have day and night. Every space body though has its own specific duration of the day, and that depends on the speed of rotation around its axis, as well as the position of the other space bodies and do they interfere in any manner. In the case of the Moon, it rotates around its own axis, but also around the Earth, and together with the Earth around the Sun.

One Moon day, if we take its rotation around its axis, lasts 27.3 Earth days. The rotation around the Sun though, and the interference of the Earth actually prolong the day on the Moon, and it is 29.5 Earth days. This mean that any future settlers on the Moon will have a day lasting almost as a whole month on Earth, and that can prove to be a big problem, as such drastic difference can cause lot of psychological and physical problems at organisms evolved for a totally different patterns of day and night.

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Answer: True

Explanation:

Answer:

When iodine and starch are dissolved together in water, gooey starch molecules instantly trap iodine ions close together to create a dark, blueish-black color. (Dripping liquid iodine onto a potato will turn it the same color, due to all of the spud's starch.)

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Answer:

Slime molds, decompose decaying matter. The animal-like protists must "eat" or ingest food.

Explanation:

Slime molds, being fungus-like protists, feed on decaying organic matter by moving slowly over it and engulfing it directly when nutrients are abundant and forming a collective slug to release spores when food is scarce.

How Slime Molds Obtain Food:

Slime molds are fungus-like protists that can be found in environments such as rotting logs and compost piles, where they feed on decaying organic matter. These organisms adjust their feeding behavior based on the availability of food. When nutrients are plentiful, cellular slime molds exist as individual amoeboid cells that absorb food by phagocytosis. However, during scarce food conditions, they form a collective mass, a behavior exemplified by the dog vomit slime mold, which glides along on secretions to engulf food.

More specifically, when food resources are depleted, the independent amoeboid cells conglomerate into a slug-like structure. Within this slug, certain cells create a 2-3 millimeter stalk, sacrificing themselves in the process. Others form a fruiting body that releases haploid spores. These spores then have the opportunity to germinate in moist environments, potentially starting the cycle over again. A typical genus representing cellular slime molds is Dictyostelium, generally found in damp forest soil.

Population is the term that defines groups of individuals that belong to the same species and live in the same area

Explanation:

In an ecological system, when a group of species of living organisms group and live in a particular locality area, it is referred to the population of that species.

Within an ecological boundary, there can be more than one type of population living in an area and all these different types of the population are interdependent with each other.

Within a population of a species, the individuals of the species interbreed, reproduce, grow and survive among themselves.

The membranes of dialysis machine are semi permeable membrane.

Dailysis is the process of artificial separation of blood from the waste products and excretory substances. This process uses the process of osmotic separation of the blood from the excretory substances by using a fluid which also contains the materials of blood but in small amounts to prepare a osmotic gradient through which when the blood passes, can filter it off. The membrane separating the blood from the fluid is a semi permeable membrane which allows the water to go out along with urea and other excretory products slowly as the blood passes through Dyalysis machine.

Answer:

All of the cells in the body expect red blood cells has a copy of our dna. At conception the person receives dna from both their father and their mother. We each have 23 pairs of chromosomes. Each pair one was from the father nd one from the mother. The chromosomes are passed from parents to offspring via sperm and eggs. The specific kind of chromosome that contains a gene determines how that gene is inherited. When a sperm fertilizes an egg the embryo now contains two copies of each autosome one form father and one from the mothe

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Explanation:

Answer:

ok

Explanation:

Answer:

Endocrine Gland

Explanation:

The Troposphere, extending up to 12 km above sea level and encompassing about 80% of the Earth's atmosphere, is directly influenced by Earth's surface conditions. This is because it generates weather events due to convection currents formed by the heated air rising from Earth's surface and cooler air descending, which equally affects the wind and cloud formations in this layer.

The layer of the atmosphere most strongly affected by the conditions on the Earth's surface is the Troposphere, option B. The troposphere extends up to 12 km above sea level and contains nearly 80% of the Earth's atmosphere by mass. It is the layer where most weather events originate owing to the hot air rising from the Earth's surface and colder air descending. Hence, conditions on Earth's surface predominantly influence this layer of the atmosphere.

For example, the convection currents in the troposphere are directly impacted by the heating of the Earth's surface, generating wind and cloud formations. This dynamic nature of the troposphere is the reason for its direct susceptibility to the surface conditions of the Earth.

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The troposphere is the layer most strongly affected by conditions on Earth's surface. So option (b) is correct.

The troposphere is the layer of the Earth's atmosphere closest to its surface, extending from the surface up to about 10-15 kilometers (6-9 miles) high.

It is where weather occurs and where most of Earth's clouds and precipitation are found. The conditions in the troposphere, such as temperature, humidity, and air pressure, are directly influenced by conditions on Earth's surface.

For example, during the day, the surface heats up, causing air near the surface to warm and rise, leading to convection currents and the formation of clouds and storms. At night, the surface cools, causing the air to sink, which can result in calm and clear conditions.

Therefore, the troposphere is the layer most strongly affected by conditions on Earth's surface. Other layers like the stratosphere, mesosphere, and thermosphere are less directly influenced by surface conditions.

Answer:

C

Explanation:

The velocity of wind is the magnitude and direction so it definitely influences the waves. Temperature does based on molecular energy increasing as the temperature increases. Since direction is part of velocity, it gives that answer away.