Questions on The excretory system

Answer:

I'm fairly sure it's D.

Scientists have discovered many methods to manipulate DNA and create phenotypes that do not naturally exist in nature. The technique would not be used by a genetic scientist to produce new genetic variations in a lab is transforming bacteria with engineered plasmids. Thus, option A is correct.

The main function of the plasmid in a prokaryotic cell is that the plasmids contain genetic material and generally Plasmids are organelles mostly found in prokaryotes such as bacteria. They are also found in some eukaryotes.

Plasmids have the ability to replicate on its own and they are used in replication processes of prokaryotes and help in the survival of the cell.They are small double stranded DNA molecule which is entirely different from the main cell DNA. Both the enzymes DNA polymerase I and DNA polymerase III involved in the process of DNA Replication with specialised functions.

Therefore, Scientists have discovered many methods to manipulate DNA and create phenotypes that do not naturally exist in nature. The technique would not be used by a genetic scientist to produce new genetic variations in a lab is transforming bacteria with engineered plasmids. Thus, option A is correct.

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When A and B are reacted and the time taken is measured, the substance marked X, Y, and Z are added and the one that causes the reaction to occur fastest is the catalyst.

In order to understand what we mean by an experiment, we have to find out that know that it is through an experiment that we can be able to know the relationship between a given cause and an effect. It is thus apt to say that by the use of an experiment, we can be able to determine a cause and effect relationship.

Having said this, we are asked to Design an experiment to test substances X, Y, and Z to determine which one is a catalyst for the reaction. We now need to use the same amounts of A and B and add in each case, only a little drop of the substances X Y and Z. The substance that causes the reaction to occur in the least time is the catalyst.

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Answer:

Friction

Explanation:

Friction helps your tires grip the road so you can steer and can control your vehicle.

The is time when temperature first reach 65C is 40

What is temperature?
A physical measure that describes how hot a substance or radiation is is called temperature.

There are three different types of temperature scales: those, like the SI scale, that are defined in terms of the average translational kinetic energy per freely moving microscopic particle, like an atom, molecule, or electron, in a body; those that only rely on strictly macroscopic properties and thermodynamic principles, like Kelvin's original definition; and those that are defined by practical empirical properties of particulates rather than by theoretical principles. With a thermometer, temperature is measured. It is calibrated in a number of temperature scales that historically defined themselves using different reference points and thermometric substances.

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In the illustrated dihybrid cross, out of 800 seeds, 450 would come out green and round.

Assuming the seed color allele is represented by A and the seed shape allele is represented by B.

At F1:  AABB    x   aabb

              AaBb

At F2:   AaBb   x   AaBb

Genotype ratio of Offspring:

A_B_: green and round = 9

aaB_: yellow and round = 3

A_bb: green and wrinkled = 3

aabb : yellow and wrinkled = 1

Thus, the chance of producing green and round seeds from the F2 cross is 9/16.

With 800 seeds produced:

               800 x 9/16 = 450

In other words, out of 800 seeds, 450 of them would be green and round.

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Species with higher resilience have higher chances of survival as compared to species with lower resilience.

Resilience rate refers to the ability to rebuild following damage. When damaged, species with a higher degree of resilience quickly recover, increasing their chances of surviving. Any harm to a species caused by an internal element, such as sickness, or an external factor, such as food or climate change, can cause a species with a lower rate of resilience to collapse.

The capacity to respond effectively to adversity, trauma, tragedy, threats, or severe causes of stress is known as resilience. The idea of resilience has been used to describe a variety of systems, from cells to entire organisms.

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Stabilizing selection is a condition where extreme traits have a negative outcome in the indivuals of a population, therefore the average value of the trait has the advantage. In this example, pine trees that are in the extremes of height (either tall or short) might have physiological disadvantages. On the other hand, pine trees with average height might escape this issues. For example, tall trees might have troubles with water transport, while short trees might have troubles with getting enough sunlight exposure. Average pine trees would not have disadvantages in either of the physiological examples described. With time, this trees (average height) will dominate in the population structure, whereas the other type of trees while be diminished.

Answer:

First, the answer is yes to both questions: two blue-eyed parents can produce green or brown-eyed children. Eye color is not the simple decision between the brown (or green) and blue versions of a single gene. There are many genes involved and eye color ranges from brown to hazel to green to blue

Explanation:

Answer:

C. How the rock formed

Explanation:

It was right trust me

Answer:

CORRECT ANSWERS !!

Transcription and translation

which heads out of the cells nucleus and into the Answer: Cytoplasm

During translation, the mRNA works with a Answer: ribosome

an enzyme called Answer: RNA polymerase

helps line up nucleotides to create a Answer: complementary

Since mRNA is a Answer single

where it bonds with ribosomes, the sites of Answer: protein synthesis.

Once the mRNA is in place, Answer: tRNA molecules

is always the start codon Answer: methionine,

A Answer peptide bond---- is formed between the amino acid attached to the tRNA

The process continues until one of the three Answer: stop

Explanation:

A __signaling cell____ expresses a gene or genes that direct production of the signaling molecule, and the _responding cell_ expresses a gene or genes that direct production of the _receptor protein_.

When some bacteria use lactose as a source of energy, they produce propionic acid and carbon dioxide. The name of this process is fermentation.

What is fermentation?
Fermentation is an anaerobic chemical process that breaks down molecules like glucose. More specifically, fermentation is the foaming that happens during the creation of wine and beer, a procedure that has been around for at least 10,000 years.

The word "fermentation" currently refers to the enzyme-catalyzed, energy-producing route in cells that involves the breakdown of substances like glucose under anaerobic conditions. Thus, the processes that result in the synthesis of ATP and pyruvate during the transformation of sugar in muscle, yeast, certain bacteria, and plants are similar.

Therefore fermentation is what happens when bacteria use lactose as a source of energy and produce propionic acid and carbon dioxide.

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Answer:

C

Explanation:

I took the test

Yvonne's Emotional health is being most affected by the work she does in the urban garden.

Emotional health is about how we think and feel.  It is about our sense of wellbeing, our ability to cope with life events and how we acknowledge our own emotions as well as those of others. Emotional health allows you to work productively and cope with the stresses of everyday life. It can help you realize your full potential. It helps you work with other people and contribute to society. It also affects your physical health.

Depression, anxiety, stress, poor body image, grief, loss, a major change in your life such as becoming a new parent can all affect your mental and emotional health in day to day living.

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Answer:

emotional

Explanation:

Answer:

Cell 1

Explanation:

The Golgi Complex is responsible for sorting and packaging proteins and lipids.

Answer:

A. Cell 1

Explanation:

The Golgi apparatus is located at the base of the cell and serves as a place where proteins are added to lipids, which are then transported to other parts of the cell. It also contains enzymes that break down proteins, carbohydrates and lipids. The Golgi apparatus can be found in most eukaryotic cells.

Changing solar output is most likely responsible for relatively high Northern Hemisphere temperatures during 1000-1100 A.D. and relatively low Northern Hemisphere temperatures during 1600-1700 A.D.

Recreations of the most recent 1,000 years have been finished with a few distinct models. A portion of the subtleties are unique, they all show a few comparable patterns in Northern Hemisphere atmosphere; relative warmth before the fourteenth century followed by chilly periods between the fifteenth and mid nineteenth hundreds of years. The warming of the twentieth century is, given the viewpoint of the earlier thousand years, extraordinary.

These reenactments intently coordinate the paleoclimate record of temperature throughout the previous 1,000 years. Contrasts between the time arrangement are because of a few variables, remembering vulnerabilities for the driving time arrangement, for instance whether solid or frail sun oriented constraining is utilized, and the flightiness of certain collaborations between the air, sea, land surface, and ocean ice. 

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Four things to think about before selecting a dietary supplement

1. Choose the Proper Manufacturer: We  must always take additional caution when selecting supplements because you'll be putting them in your body.

2. Recognize your diet.

3. Recognize your body.

4. Recognize the vitamins you require.

Supplements- Something ingested as part of a diet. A dietary supplement is used orally and typically comprises one or more ingredients (like minerals, vitamin, amino acid, herb, & enzyme). Various dietary supplements can help control some illnesses and enhance general health. For instance, vitamin D and calcium prevent bone loss and maintain bone strength. Certain birth abnormalities are less likely to occur thanks to folic acid.

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True, the environment surrounding a tumor, including nearby blood arteries, immune cells, fibroblasts, signaling molecules, and the extracellular matrix, is known as the tumor microenvironment (TME) (ECM).

The microenvironment around the tumor and the tumor itself are intertwined and continually interacting. By generating extracellular signals, boosting tumor angiogenesis, and inducing peripheral immunological tolerance, tumors can have an impact on the milieu, whereas immune cells in the microenvironment can influence the development and spread of cancerous cells. The tumor interacts closely with the surrounding microenvironment, which is known to profoundly impact tumor progression by influencing processes that lead to tumor eradication, increased metastasis, or the establishment of dormant micrometastases.

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Answer:

no i do not

Explanation:

my reasoning is plants function differently then the human body our bodys need food sunlight wouldnt be enough form of energy to fully function

The tendons of the tibialis posterior, flexor digitorum longus, and flexor hallucis longus each pass around which bony landmark before reaching their respective insertions called Medial malleolus.

The bony protrusion on the inside side of the ankle is called the medial malleolus. This is the tibia's distal end, which serves as support for the ankle joint's inner side. Additionally, the deltoid ligament, a significant ligament on the inside of the ankle, is attached to the medial malleolus.

Medial malleolus fractures are relatively rare. When they do occur, they typically take place as a part of a more complicated pattern of ankle fractures, such as trimalleaolar fractures and bimalleolar fractures (involving the medial and lateral malleoli, or the outer and inner sides of the ankle, respectively) (involving these two parts along with the posterior malleolus, or back of the tibia).

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Answer:

c. an open area that was cleared by a fire

The use of synthetic fertilizers could be seen as too much of a good thing as it could also lead to pollution of some sorts.

The term synthetic fertilizers are those fertilizers that are produced artificially. This is different from the type of fertilizers that are produced from organic materials. Those kind of fertilizers are generally called the organic fertilizers.

Now, when we make use of synthetic fertilizers, there is the likelihood that they could be washed into natural water bodies where they could pollute them and cause an overgrowth of the weeds and the consequent death of the lake.

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In eukaryotes, transcription regulators bind at the promoter region, near the TATA box.

In eukaryotes, the promoter region is present upstream near the TATA box. The promoter region is the site recognized by the RNA polymerase and where it binds so that transcription can occur.

The transcription factors also bind to the promoter region, so transcription initiation occurs. These transcription regulators are referred to as transcription factors. Transcription can be described as a process in which information from the DNA is coded into mRNA.

Mostly, the promoter sequence is placed near to the gene that is to be transcribed.

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Answer:  The lowest depth shown on this map of Lake Ontario is 700 feet. The closest marker to this depth is the letter E.

Explanation:   This topographical map of Lake Ontario displays each numerical depth in feet.

Answer:

58 – 68 days or about 2 months

Answer:

1. They both have a cell membrane

2. They both contain cytoplasm

3. They both have mitochondria

1. Plant cells have a cell wall where as animal cells don't have a cell wall.

2. Plant cells have larger, less number of vacuoles and animal cells have smaller, plenty vacuoles.

3. Plant cells have chloroplasts while animal cells don't contain them.

Answer:

Plant and animal cells are similar in many ways, but they also have some key differences. Here are three ways they are alike and three ways they are different:

Ways plant and animal cells are alike:

Both plant and animal cells have a cell membrane that surrounds the cell and regulates what goes in and out.

Both types of cells have a nucleus that contains the cell's genetic material.

Both types of cells have mitochondria, which are responsible for producing energy.

Ways plant and animal cells are different:

Plant cells have a cell wall made of cellulose, which provides structure and support, while animal cells do not.

Plant cells have chloroplasts, which are responsible for photosynthesis and contain chlorophyll, while animal cells do not.

Plant cells often have one large central vacuole, which stores water and helps maintain turgor pressure, while animal cells have smaller vacuoles, if any, which are used for storage and transport.

Answer:

no. 2 is a right answer.

Explanation:

Monosaccharide- Protein.

Feedback mechanism helps investigating homeostasis through negative feedback loop.

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Answer:

Oxygen! Oxygen is the waste product of plants and ends up in the atmosphere, which allows animals to breathe.