Circle the recombinant DNA constructs below:

A. An E. coli plasmid containing the E. coli LacZ operon
B. A lambda bacteriophage chromosome containing the human collagen gene
C. An E. coli plasmid containing the jellyfish gene Green Fluorescent Protein
D. An E. coli plasmid containing the jellyfish gene Blue Fluorescent Protein
E. An E. coli plasmid containing the lambda bacteriophage DNA

Answer:

Cellular organization and metabolism are two items necessary to consider an organism alive.

Explanation:

There are certain characteristics that belong to living beings and that they all have in common. These are distinctive characteristics that do not include any non-living object. Among others, we can name the followings:

1) Precise cellular organization. The cellular theory states that every living being is conformed of basic units named cells and their products that result from the cellular activity. Although organisms vary in size and shape, all of them are formed by cells. A cell is the simplest part of the living matter which is capable of performing every necessary activity needed for life. Some of the simplest organisms, such as bacterias or some algae, are unicellular. This unique cell must be polyfunctional, as it has to perform many activities. On the other hand, many other organisms are highly complex pluricellular. All the processes of the entire organism depend on the correct and coordinated functioning of every constituting cell. The more complex the organism is, the more specialized are the cells, differentiating from each other, and acquiring certain specific functions. These are, for example, the epidermic cells, muscular cells, nervous cells, reproductive cells, among others.

2) Metabolism. In any living being there happen many essential chemical reactions needed for appropriate nutrition, growth,  cellular repairing,  energy conversion, among others. All of these chemical reactions in the organisms are known as metabolism. These cellular activities begin when the organism takes life, and continue through its whole life. When chemical reactions stop, the organisms might be considered to be dead. Every specific cell in the organisms take substances that chemically modify, in many different ways, to integrate new cellular components.  Some of these nutrients are used in cellular respiration. During this process, part of the energy stored is taken by the cell for its own use.  This energy is also needed for synthesis and other cellular activities. In most organisms, cellular respiration requires oxygen provided by the gas interchange. Cellular wastes, such as carbon dioxide and water must be eliminated from the organism. Every chemical reaction is regulated by specific enzymes.  

Answer:

The hypothesis would be always written in if/then form so in your question it will be something like this:

Explanation:

If the chemical fertilizer is spray in the soil, then the plant will have the  most effect the growth in the plant.

Hope this helps

Answer:

Okay look the answer is

Explanation:

If the chemical fertilizer is pour in the soil, then the plant will have the  most effetc of growth.

Answer:

it would be based on the most common prophase time of year is.

Explanation:

I don't know to be honest.

In plants, mitosis occurs most frequently during the periods of growth such as the during the periods of inactivity such as during germination and springtime bud formation.

Mitosis is the cell division which occurs in all the somatic cells in the plant body as well as in the animal cell. Mitosis results into the formation of diploid cells.

Mitosis occurs most rapidly in the meristematic tissues of the plants. These are the zones of growth in plants.

In plants, mitosis occurs most frequently during the periods of growth, for example when they come out of the periods of inactivity, such as during seed germination and spring time bud formation.

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Answer:

a. to store energy for the seedlings

Explanation:

It is well now that plants store chemical energy in the form of complex carbohydrates (i.e., starch), which are broken down into glucose for generating energy. However, plants also store lipids that are used as energy, which are compartmentalized in specialized cellular structures named lipid droplets (LDs). The LDs are organelles composed of a phospholipid monolayer that contains proteins and a core consisting of storage lipids. These organelles are accumulated in seeds of oilseed crops such as sunflower, soybean and rapeseed, where they are degraded to provide energy during the seedling stage.

Answer: A. To store energy for the seedlings

Explanation: Plants store chemical energy which is broken down into glucose for producing energy

Answer: 1 in 4 chance

Explanation:

Answer:

She is A blood type but like the father, also carries an O version of the ABO gene. As you can see in the image to the right, these two parents can have an O child. In fact, every one of their children would have a 1 in 4 chance for being O. And this is just the most common way an AB parent can have an O child.

Answer:

b they all serve a differnt function

Explanation:

Different types of cells are present within an organisms serve different function.

Hence the correct option is B.

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Answer:

Explanation:

Answer:

C: pollution prevention

Explanation:

Just took the test

Answer:

B. Repressor.

Explanation:

Hope this helps!

Answer:

The correct answer is B. Repressor.

In prokaryotic cells, an operon is a cluster of genes that are transcribed together as a single unit. The operon consists of a promoter, an operator, and the genes it controls. The operator is a DNA sequence located between the promoter and the genes.

A repressor protein binds to the operator region and prevents RNA polymerase from binding to the promoter and initiating transcription. By binding to the operator, the repressor blocks the expression of the genes in the operon, effectively turning off their transcription.

Therefore, the term that describes a protein that prevents an operon from being turned on in a prokaryotic cell is B. Repressor.

Hope this helps :]

Answer:

The answer is D

Explanation:

A steroid hormone approaches its target cell, therefore the hormone will enter the nucleus and is what will happen first which is therefore denoted as option A.

This is referred to as a chemical messenger which is released directly into the bloodstream and is responsible for the control of certain metabolic reactions occurring in the cell and  an example is steroid hormone such as androgens.

In a situation whereby a steroid hormone approaches its target cell, it first passes through the plasma membrane before it then becomes adhered to the receptors which are present in the nucleus or cytoplasm.

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Kidneys have other functions besides the elimination of wastes from the blood.

They are in charge of producing three different hormones that are released into the bloodstream. These are: Erythropoietin, which is involved in the generation of new red blood cells; Renin, which is involved in the regulation of blood pressure; Calcitriol, which regulates calcium uptake.

Oil and natural gas are typically found within porous rocks. Therefore, the correct answer is C. porous.

Porous rocks are types of rocks that have interconnected void spaces or pores within their structure. These pores can be of various sizes and shapes, and they allow fluids (such as water, oil, or gas) to flow through the rock. The presence of pores and the interconnected nature of these spaces make porous rocks capable of storing and transmitting fluids.

The porosity of a rock refers to the volume percentage of the rock that is occupied by pores. Porosity is an essential property of porous rocks as it determines their ability to hold fluids. The types of pores present in the rock and their distribution affect the porosity, permeability, and storage capacity of the rock.

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Gel electrophoresis for proteins in Western blotting (Immunoblot). A method for analyzing individual proteins in a protein mixture is called Western blotting, commonly known as immunoblotting (e.g. a cell lysate).

kinds of gel. Agarose and polyacrylamide gels are the two forms of gel that are most frequently employed. Different sizes and types of analytes work well with each type of gel. Polyacrylamide gels offer a very high resolving capacity for tiny DNA fragments and are typically employed for proteins.

In proteomic research, where resolution of hundreds of proteins on a single gel is occasionally required, 2D PAGE offers the best resolution for protein analysis.

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In biology, autotrophs are organisms that can produce their own food using inorganic substances, such as sunlight and carbon dioxide.

Autotrophs  are also known as primary producers because they form the base of the food chain by converting energy from the environment into organic compounds.

The topic of autotrophs is typically covered in the study of plant biology in the context of a class 7 curriculum.

The most prevalent kind of autotrophs are plants. They do this through a process known as photosynthesis, which turns carbon dioxide, water, and sunlight into glucose (a sugar) and oxygen.

Chloroplasts, specialized organelles found in plant cells, are where this process occurs.

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The statement "There are all macronutrients" is true about these types of molecules

Macronutrients, essential components required by the body in substantial quantities, furnish energy, foster tissue growth and mending, and govern physiological processes. The trio of primary macronutrients encompasses carbohydrates, protein, and fat.

The precise magnitude of macronutrient requisites relies on factors such as age, gender, physical exertion, and overall well-being of an individual.

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Complete question:

Fats, sugars, and proteins are important food molecules. Which statement about these types of molecules is true?

a. There are all  macronutrients

b. Sugar makes one fat

c. Sugar is the only thing that makes you fat

Answer: mouth- D, liver- A, salivary glands- B, Stomach- C, Large intestine- E, Intestinal villi-F, Mechanical digestion- G, Small Intestine- H, Gallbladder- I. brainliest?

Explanation:

Varicella Zoster is an infectious viral disease causing chickenpox in children and shingles in grown-ups. Inoculation plays a crucial part in avoidance and lessening complications.

Women and noblemen,

Nowadays, I would like to examine a vital and predominant viral disease known as Varicella Zoster. Varicella Zoster, commonly alluded to as chickenpox, is caused by a varicella-zoster infection. It fundamentally influences children, but can too affect grown-ups who have not been already contaminated.

Varicella Zoster presents as a profoundly infectious sickness characterized by a particular hasty, fever, and common disquietude. The infection spreads through coordinated contact or respiratory beads, making it effortlessly transmissible inside families and communities.

Whereas chickenpox is for the most part a gentle ailment in children, it can lead to more serious complications in grown-ups, pregnant ladies, and people with debilitated resistant frameworks. These complications incorporate pneumonia, bacterial contaminations, and in uncommon cases, neurological complications such as encephalitis.

Luckily, the improvement of a profoundly successful antibody has essentially diminished the frequency of Varicella Zoster around the world. Immunization not as it were secures people from the distress and potential complications of chickenpox, but too makes a difference anticipate the infection from spreading inside the community.

In any case, Varicella Zoster doesn't halt at chickenpox. Once the introductory contamination settles, the infection remains torpid inside the body and can reactivate a long time afterward, causing a condition known as herpes zoster, or more commonly, shingles.

Shingles are characterized by a difficult hasty that ordinarily happens in a single dermatome, regularly along the middle or confront. The reactivated infection can cause critical pain and inconvenience, enduring for weeks or indeed months. Moreover, complications such as postherpetic neuralgia, a persistent torment disorder, can happen, especially in more seasoned people.

To combat the chance of shingles, an isolated antibody called the shingles antibody or herpes zoster immunization has been created. This antibody not as it were makes a difference anticipate shingles but moreover diminishes the chance of postherpetic neuralgia.

In conclusion, Varicella Zoster, enveloping both chickenpox and shingles, could be a viral contamination that has critical suggestions for open well-being. We have made significant progress in reducing the burden of this disease through extensive vaccination efforts.

In any case, ongoing efforts to prevent Varicella zoster from returning to our communities and to protect powerless populations require prompt attention and vaccination.

Much obliged to you for your thought. Let's collaborate to ensure a better future for everyone.

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The percentage of the non-singing trait in female birds in Generations 4 and 5 if this pattern continues will be 80 and 94

The arithmetic progression as shown:

50, 42, 34...

We  find the 4th and 5th term

The nth term of an AP is expressed as :

\(T_n = a + (n- 1)d\)

a is the first term = 50

d is the common difference = 42 - 50 = 34 - 42 = -8

T4 = 50 + (4-1) (- 8)

T4 = 26

T5 =  50 + (5-1) (- 8)

T5 = 18

If the pattern persists, the proportion of female birds with the singing feature in Generations 4 and 5 will be 26 and 18, respectively.

We can see that the second term for the non-singing females was obtained by adding 8 to the first term. To obtain the third, 10 was added to the second.

For the 4th term, 12 will be added to the third term;

T4 = 68 + 12

T4 = 80

For the 5th term, 14 will be added to the fourth term;

T5 = 80 + 14

T5 = 94

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Complete question:

What would be the percentage of the non-singing trait in female birds in Generations 4 and 5 if this pattern continues?

Generation 1: 50 singing females/ 50 non-singing females

Generation 2: 42 singing females/ 58 non-singing females

Generation 3: 34 singing females/ 68 non-singing females

We can look at geology that existed at any point in Earth’s history which gives us detailed information about the history of life. We divide Earth’s history into different Eons.

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Temperature regulation is not a function of the muscular system. Therefore, option (C) is correct.

The strong framework is an organ framework, involved significantly in the development of the body. There are almost 700 muscles that are associated with the bones of the skeletal framework, which generally half make up the human's body weight.

It regulates posture, allows for body movement, and circulates blood throughout the body. In vertebrates, the nervous system is responsible for controlling the muscular systems, though some muscles.

Contractility is one of the most common features of skeletal muscle tissue, and muscle contraction is responsible for nearly all body movement.

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Firstly, It's Amino acids. And moving to the answer now. This contains the hydrogen atoms, the carboxylic group, and the amine group.

A basic amino group (NH2), an acidic carboxyl group (COOH), and a specific organic R group (or side chain) are the three organic molecules that make up an amino acid. Alpha-amino [alpha-amino] carboxylic acid is referred to as an amino acid informally. An amino and a carboxyl group are both joined to the core carbon (C) atom, known as the -carbon, in every molecule. A hydrogen (H) atom and the R group typically fulfill the remaining two bonds of the -carbon atom. The building components of proteins are amino acids. The great majority of chemical processes that take place in cells are catalyzed by proteins. They give cells a lot of their structural components and aid in fusing cells into tissues.

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Answer:

The yeasts are the eukaryotic, microscopic, unicellular organisms belonging to the kingdom fungi. Yeasts are widely used to prepare beer and wine. Yeasts break down the glucose and release ethanol and carbon dioxide. The best interference is yeasts bubbles when it contacts with sugar.

Explanation:

Yeasts are organisms, which can respire aerobically or anaerobically. During the experiment, when yeasts are placed in a test tube with sugar, it starts to grow. The warm water in the test tube ensures the rapid growth of yeast. Sugar is the source of energy that is required by the yeasts to grow. Thus, during the multiplication of the yeast, they utilize oxygen and food to yield carbon dioxide. The gas is evolved and can be tested by the inflated balloon placed over the test tube. The yeasts bubbles out when it comes in contact with the sugar. Thus, to perform any experiment on living organisms, the population of those organisms should be in large quantity. this can be achieved by providing the sources of energy.

Answer:

The force that holds the gases in the sun. The force that causes a ball you throw in the air to come down again. The force that causes a car to coast downhill even when you aren't stepping on the gas. The force that causes a glass you drop to fall to the floor.

Answer:

Advantage:

reuptake instantly removes the neurotransmitter, terminating the effect.

enzymatic degradation can take time, which will cause the effect to linger.

Explanation:

In the termination of the neurotransmitter that left after its function is reuptake and transports to the presynaptic terminal point which internalized it in a vesicle to release into the cleft where.

Reuptake is advantageous as it does not breaks the neurotransmitter into it's inactive components like it does in enzymatic degradation. So, Reuptake pertains to the production of the neurotransmitter.

Solution:

Scientists use conceptual processes to understand nature through questions or propositions.

The method on which scientific investigations are based is the scientific method and it is the hypothesis-prediction approach.

This approach allows scientists to modify their conclusions as new information becomes available.

The method consists of five steps:

1. Make observations

2. Ask questions

3. Form hypotheses, which are tentative answers to questions.

questions

4. Make predictions based on the hypotheses

5. Test the predictions by making additional observations or conducting experiments.

If the test results support the hypothesis, it is subjected to additional predictions and tests. If they continue to support it, confidence in its correctness increases and the hypothesis comes to be considered a theory.

Therefore, a theory is a demonstrable model supported by experimentation (empirical facts) and data that explains a phenomenon. In other words, a theory is a set of concepts, including abstractions of observable phenomena and quantifiable properties, along with rules that express the relationships between observations of those concepts.

In year 1, the population was 11,500 spread over 115 hectares.

Carrying capacity referred to as a specie's average population size in a particular habitat. The species population size is limited by environmental factors like adequate food, shelter, water. If these needs are not met, the population will decrease until the resource rebounds.

The number of beetles per hectare is 11,500/115= 100 beetles.

By year six, when the beetles reached the carrying capacity, the number of beetles per hectare is 14,677/115 = 128  beetles.

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Answer:

fur

Explanation:

Have you seen a cat? It don't have feathers or wings because it's not a bird. It doesn't have fins because it's not a fish.