Terry is looking at cells under a microscope. Even without knowing anything else about the cells he sees, what can Terry reasonably conclude about them? (look at the options in the photo)

Answer:

The common characteristics of Archaebacteria known to date are these: (1) the presence of characteristic tRNAs and ribosomal RNAs; (2) the absence of peptidoglycan cell walls, with in many cases, replacement by a largely proteinaceous coat; (3) the occurrence of ether linked lipids built from phytanyl chains and (4)

Explanation:

hope it will help you

Answer:

Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. It includes the steps of initiation, elongation, and termination.

Explanation:

hope this helps

84%

84% of the population of mice would be heterozygous.

Heterozygous refers to the presence of two different allele types for the same gene. For a single gene, these alleles display two distinct character types. An illustration would be someone with an allele for both brown and black hair.

There are 200 mice in total, 168 of which are brown.

By the Hardy–Weinberg (HW) equilibrium

q² (bb) = (200 - 168) /200 = 32 / 200 = 0.16

q: √ 0.16 = 0.4

p = 1 - q = 1 - 0.4 =  0.6

p² (BB) = 0.6 x 0.6 = 0.36

Thus, 84% of the population of mice would be heterozygous.

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Answer:

All of Them

Explanation:

got right in edg (see pic)

hope this helps :)

The distance gradient between A and B is 150 feet.

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The term 'CFU' stands for 'colony forming unit' in relation to enumeration techniques. This term refers to the unit of measurement used to quantify the number of viable microorganisms in a given sample.

CFUs are counted by observing the number of visible colonies that form on a growth medium after incubation. This method is widely used in microbiology to estimate the concentration of microorganisms in a sample and is particularly useful for quantifying bacteria and fungi that can grow on solid media.

The term 'CFU' in relation to enumeration techniques stands for "colony forming unit." It is a measure used in microbiology to estimate the number of viable microorganisms, such as bacteria or yeast, present in a sample. In this context, viable means that the microorganism is capable of reproducing and forming a visible colony.

Enumeration techniques, like the spread plate or pour plate methods, involve diluting and spreading the sample on agar plates, allowing the microorganisms to grow into distinct colonies. Each colony represents one CFU, which can be counted and used to calculate the original concentration of microorganisms in the sample. Therefore, the correct answer is option b. "colony forming unit."

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Answer:

answer is the ability to do work

Answer:

C.People can be tested for mutations on these genes

Explanation:

Answer:

Sea floor spreading

Explanation:

The process responsible for creating magnetic changes along the mid-ocean ridges. Sea floor spreading entails the movement of the lithosphere over the weak and fluid asthenosphere. At the spreading center new oceanic crust is created.

The earth is surrounded by a magnetic field. Magnetic minerals in fresh magma orients in the direction of prevalent magnetic field when they begin to cool and solidify.

Due to changes in the magnetic field direction and the upwelling of new magma, the magnetic patterns in a rock changes.

Groundwater overdraft occurs when the rate of use exceeds the rate of replenishment of groundwater.

Groundwater overdraft occurs when the rate of use exceeds the rate of replenishment of groundwater. It is a situation in which the extraction of groundwater from an aquifer exceeds the rate of natural replenishment and the balance between input and output is disrupted. As a result, the water level in an aquifer is depleted, which is referred to as a water deficit.

An overdraft occurs when the rate of extraction of water exceeds the recharge rate over an extended period of time. A prolonged overdraft situation leads to the depletion of groundwater reserves. Groundwater reserves, like fossil fuels, are finite and non-renewable, and thus need to be carefully managed.Groundwater management can be a complex and challenging process because groundwater basins are dynamic systems that are influenced by multiple factors such as geology, climate, land use, and water demand. Therefore, proper management of groundwater resources is essential for sustainability.

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The type of tissue that is often extremely thin and can consist of only one cell in thickness is called or referred to as epithelial tissue.

Epithelial tissue is a type of tissue that covers the surfaces of organs, lines body cavities, and forms glands. It is characterized by tightly packed cells that form continuous sheets or layers.

The tissue layer allowed epithelial tissue to give a blockage and provide the exchange of elements between different body compartments or between the body and its external environment.

Epithelial tissue is mainly found in the whole body, which is covering the outer surface of organs, and lines the inner surfaces of various cavities, like the digestive tract, or blood vessels.

Various cells in epithelial tissue is e tightly closed together with the small extracellular matrix, allowing for efficient diffusion and transport of substances across the tissue

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If the concentration of sodium on the inside of the cell is 20 mM, and the outside is 115 mM, then active transport will move sodium from the inside to the outside.

Active transport is a type of cellular transport mechanism that occurs against a concentration gradient.

In active transport, a molecule and/or ion is transported from a region of low concentration to a region of high concentration.

Active transport requires energy (usually in the form of ATP) to move substances against a gradient.

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Answer:

Answer is D) Active transports

Explanation:

Got it on edge!

The similarity between the blood cells and stomach cells is ; Both help maintain homeostasis ( B )

The stomach cells helps in the storage of food ,enzyme secretion and digestion of food substance consumed.  this way they help to maintain the acidity and water level in the body through the process of food digestion and enzyme/acid secretion.

The blood cells transports oxygen from the lungs to the tissues where they are needed and also taking back CO₂ from the tissues to the lungs.  the blood cells also carries the necessary nutrients from the digested food to the various tissues. this way the blood cells help to maintain homeostasis in the body.

Hence we can conclude that the similarity between the blood cells and stomach cells is ; Both help maintain homeostasis

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Answer: B

Explanation:

cause i masterd the subject

Answer:

An atom is the smallest particle in a chemical element that holds its chemical properties. Although in the past it was thought impossible to break an atom, within modern chemistry we know that an atom is composed of subatomic particles, which compose the atomic model:

1) electrons, which have a negative charge, such a small size that it is immeasurable, and a mass much smaller than the other two subatomic particles; 2) protons, which have a positive charge; and 3) neutrons, which have no charge.

The protons and neutrons form a dense and massive atomic nucleus, which is called multipons nuclei. The electrons form a cloud of electrons that surround the nucleus.

Performance evaluation measures in an organization play a crucial role in option a)managing employee motivation and b) promoting goal congruence.

These measures can affect the motivation of responsibility center managers to transact with one another, as they are often designed to incentivize collaboration and teamwork. However, it is important to note that performance evaluation measures do not always promote goal congruence. To ensure that they do, organizations need to tailor these measures to align with their overarching objectives and consider the unique roles and responsibilities of each manager.

Additionally, while overall organizational goals are important, performance evaluation measures should be customized for individual managers to ensure motivation and prevent suboptimization. Using the same measures for all managers may lead to a focus on narrow goals rather than the overall success of the organization.

In summary, performance evaluation measures in an organization impact manager motivation and goal congruence. To optimize performance, these measures should be tailored to individual managers and aligned with organizational goals.

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To purify and concentrate a protein with a high percentage of lysine and arginine residues, an ion exchange column would be the best choice. Ion exchange chromatography separates proteins based on their net charge at a specific pH.

In this case, lysine and arginine residues have positive charges at neutral pH. Therefore, an anion exchange column should be used. An anion exchange column is packed with a positively charged resin that binds to negatively charged molecules.
Here's a step-by-step process of purifying and concentrating the protein using an anion exchange column:
1. Prepare the protein sample: Extract and isolate the protein from its source using techniques such as cell lysis and centrifugation.
2. Adjust the pH: Ensure that the pH of the protein sample is compatible with the anion exchange column. Most anion exchange columns work best at neutral or slightly acidic pH.
3. Load the sample: Apply the protein sample to the anion exchange column. The positively charged residues (lysine and arginine) in the protein will bind to the negatively charged resin in the column.
4. Wash the column: Remove any unbound contaminants or impurities by washing the column with a buffer solution. The buffer composition and pH should be optimized to promote binding of the target protein and wash away unwanted substances.
By following these steps, a protein with a high percentage of lysine and arginine residues can be effectively purified and concentrated using an anion exchange column. Remember to consider the specific characteristics of the protein and adjust the conditions accordingly to achieve optimal purification and concentration.

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An external hordeolum, commonly known as a stye, is a localized infection of the eyelash follicle. It is typically caused by bacteria, most commonly Staphylococcus aureus.

Styes appear as a painful, red, and swollen bump on the eyelid, often with a visible pus-filled head. They can be uncomfortable and may cause temporary vision disturbances.

Styes usually resolve on their own within a week, but warm compresses and good hygiene practices can help alleviate symptoms and promote healing. It is important to avoid squeezing or popping the stye to prevent further infection.

In some cases, a doctor may need to drain the stye or prescribe antibiotics if the infection persists or becomes severe.

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1. = Surface area

Volume

= (2 * 1) m²

(1*2*0.5) m³

= 2 m-1 (the negative 1 is an exponent).

2. for elephant,

= S/V

= 25/10

= 2.5 m-1

for pigeon,

= S/V

= 0.5/0.05

= 10 m-1

Pigeon has the larger surface area to volume ratio.

3.

= S/V

= (40 * 30)m²

(40*30*40) m³

= 0.025 m-1

4.

= S/V

= (4 * 6) cm²

(4*6*5) cm³

= 0.2 m-1

hope you understand. All the best!

Answer:

Explanation

Water in a lake freezes from the bottom up, killing most aquatic organisms. When water in a lake freezes, it floats, providing insulation for organisms below. ... If water were most dense as a solid, lakes would freeze from the bottom up, eventually freezing solid.

Answer:

When water in a lake freezes, it floats, providing insulation for organisms below.

Explanation:

0.14m

0.01400 m

35,000 grams

0.0000159 kilometer.

0.6394m

10.34 pounds

(Multi dimensional)

62.1371mph

0.0222222 mi/s

27.85059 m/s

Analysis of dimension objects arranged in comprehensible hierarchies is known as multidimensional analysis. Users using multidimensional analysis can view data from a variety of angles.

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A release of glucocorticoids is an occurrence in both the alarm and resistance stages of the general adaptation syndrome.

Glucocorticoids may be defined as a group of corticosteroids that are significantly involved in the absolute metabolism of carbohydrates, proteins, and fats and have anti-inflammatory activity.

The principal site of glucocorticoid catabolism is the liver. It also exerts an anti-insulin effect. It inhibits the inflammatory response to these tissue injuries and also suppresses manifestations of allergic diseases.

That's why the liberation of glucocorticoids induces the alarm and resistance stages of the general adaptation syndrome.

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Answer:

A

Explanation:

it is grammatically correct and makes the most sense.

20 kilometers west is the car's total displacement The location of an object changes if it moves from position A to position B. Displacement describes this shift in an object's position.

Displacement is a defensive strategy in which someone shifts their unpleasant emotions from one item or person to another. For instance, someone upset with their job might yell at a family member in order to "take it out" on them.

Replace, supersede, & supplant are a few common synonyms for displace. All of these terms have the same meaning—"to put out of a customary or proper place or into a place of another"—but "displace" suggests an expulsion or dislodging. A war had displaced hundreds.

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Answer:

C. Organisms use meiosis to make reproductive cells.

The statement 'organisms use meiosis to make reproductive cells' is TRUE of meiosis (Option C).

In conclusion, the statement 'organisms use meiosis to make reproductive cells' is TRUE of meiosis (Option C).

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Answer: okay so it would be three dominant and one recessive

Explanation:

Answer:

false

Explanation:

it releases nitrogen

The statement "During denitrification, nitrites, and nitrates are converted back to carbon gas and released into the atmosphere" is false.

Denitrification is a process of microbial converting nitrates and nitrites into nitrogen and nitrous oxide. Many bacteria work in this process, and it is a totally natural process. It is anaerobic respiration which uses nitrates as electron acceptors.

Paracoccus bacteria engage in the process of denitrification and produce nitrogen under oxic and anoxic conditions. It helps in returning nitrogen to the atmosphere. Nitrogen is present in many forms in the soil and atmosphere.

The process of denitrification can be seen by this reaction

NO3− → NO2− → NO → N2O → N2

Thus, the statement is false.

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Succession is the process of gradual change through adaptation from one community to another.

Succession or ecological succession is the process whereby the community of plants and animals occupying a particular habitat gradually changes.

The community of plants and animals living in a particular habitat keeps changing because the habitat itself keeps changing. Thus, organisms living in the habitat have to keep adapting to the changing habitat.

However, if there are no major disruptions to the changing community, it eventually reaches a point whereby very little to no changes occur again. Such a community is known as a climax community.

Succession can be primary or secondary. Primary succession starts from the scratch in a place that has never held life before that just got newly colonized with life. Secondary succession happens when a community undergoing primary succession experiences a major disruption.

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Answer:

550 milliliters of water is needed.

Explanation:

the student will need 550 milliliters of water for completing the whole experiment. 250 milliliters of water is needed for  boiling purpose while on the other hand, 100 milliliters of water is needed for one process which can be repeated three times so the process needs 300 milliliters of water so by combining the 250 milliliters and 300 550 milliliters of water we get 550 milliliters of water for the whole experiment so we can say that the student needs 550 milliliters of water for the experiment.