Which organelle is primarily responsible for converting glucose to atp? *.

Answer:

to sum it up:  Mitosis is a.s.e.x.u.a.l, while meiosis is s..x.u.a.l.

Explanation:

another example: In meiosis, daughter cells possess only half the chromosomes of the original cells; while in mitosis the number of chromosomes is the same in both mother cells and daughters.

The DNA samples loaded were treated with the same resriction enzymes, which search and cut in specific sequences. I

If all the samples were the same, the fragments woul be of the samen lengths in all samples, and the same pattern would be observed in the gel. This is not the case in the example, so the samples added at the beginning were not identical.

The dominant allele P is accountable for the crimson kernel colour, and the recessive genotype pp is liable for the crimson kernel colour. The recessive allele is p the phenotypic ratio is 9:3:3:1.

I is the dominant allele that inhibits the kernel colour, and that i is the recessive allele that lets in the kernel colour. The genotype of the dad and mom heterozygous for each loci could be IiPp. Punnet rectangular and the genotype of the offspring producedThe gametes produced via way of means of the offspring are IP, Ip, iP, and ip.

The offspring with genotype IIPP, IIPp, IiPP, IiPp, IIPp, IiPP, IIpp, IiPp, Iipp, IiPp, Iipp, and IiPp don't have any coloured kernels. It is because of the presence of dominant allele I in every of those offspring that inhibits kernel colour.

Phenotype ratios of the offspringOut of the 16 feasible genotypes, the dominant allele I masks the pp locus's effect, main to the formation of the colorless kernel for 3 offspring (pp).

Nine offspring (IP) can have white kernel. The crimson kernels are fashioned in 3 offspring (iiP), and the crimson kernel is advanced in a single offspring (iipp). Thus, the phenotypic ratio of the heterozygous crossing of the corn plant is 9:3:3:1.

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Answer:

Muscular dystrophy

Explanation:

refers to a group of more than 30 genetic diseases that cause progressive weakness and degeneration of skeletal muscles used during voluntary movement.

Answer:

Replication or DNA Copying is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell.

Answer:

replication

Explanation:

copying a molecule dna

Muscle contraction is a complex process that involves the interaction of various proteins and ions within the muscle fibers. The process can be broken down into several steps:

Note: Muscle contraction is a highly regulated and finely tuned process that allows our muscles to perform a wide range of functions, from simple movements to complex tasks such as lifting heavy weights or running a marathon.

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Answer:Atom, molecule, cell, tissue, organ, organ system, and organism

Explanation:

Joint hypermobility refers to a person's joints having an extremely wide range of motion in some or all of them. People who are hypermobile are especially flexible and can move their limbs into postures that most people would find impossible.

Many persons with joint hypermobility experience tightness in sizable muscle-tendon groups while having flexible ligaments. Stretching is frequently advised in order to increase muscular flexibility since tight muscles can lead to joint and tendon discomfort. The joint will eventually start "hunting" for feedback all the time in order to get the stability it so desperately needs. This frequently results in extremely tight (hypertonic) muscles and gives the person a sense of stiffness.The majority of persons with hypermobility experience no discomfort or other health problems. However, some persons have joint discomfort, ligament damage, weariness, gastrointestinal problems, and other symptoms as a result of their hypermobility. The condition of joint hypermobility is particularly prevalent in children and adolescents.

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Molecules that can cross the cell membrane by simple diffusion are C. uncharged molecules.

The cell membrane is composed of a phospholipid bilayer, which consists of two layers of phospholipid molecules. Phospholipids have a hydrophilic (water-loving) head and a hydrophobic (water-fearing) tail. This arrangement forms a barrier that separates the interior of the cell from its external environment.

Simple diffusion is a passive process where molecules move from an area of higher concentration to an area of lower concentration, driven by the concentration gradient. It occurs directly through the lipid bilayer without the need for energy or assistance from transport proteins.

For a molecule to passively diffuse through the cell membrane, it should meet certain criteria. These criteria include being small in size, nonpolar, and uncharged. Let's break down why these characteristics are important:

In contrast, ions, hydrophilic molecules (which are polar and attracted to water), and large molecules generally cannot cross the cell membrane by simple diffusion alone. These molecules require specialized transport mechanisms such as ion channels, carrier proteins, or active transport processes to facilitate their movement across the membrane.

Therefore, the correct answer is C. uncharged molecules, as they fulfill the necessary criteria to passively diffuse through the cell membrane via simple diffusion.

The correct question is:

Molecules that can cross the cell membrane by simple diffusion are ?

A. ions.

B. hydrophilic.

C. uncharged molecules.

D. large.

E. All molecules can cross the cell membrane by simple diffusion.

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Answer:

A

Explanation:

Before we try to answer the question lets define a few key terms

Key Terms:

Carrying capacity - The max population that can be sustained by the amount of resources in a specific environment

Limited factor are usually expressed as a lack of a particular resource.

Now lets look back at the answer choices

For A,

A. When resources are available, populations grow until they reach carrying capacity.

This statement makes sense because with available resources, a population will continue to increase until the amount of resources isn't enough for the population, in other words the population will increase until its reached its carrying capacity. So this might be the answer, however lets look at the other answer choices just in case.

For b,

B. The more limiting factors affect a population, the greater the population growth.

This statement would not be true because limiting factors usually are expressed as a lack of a particular resources. A lack of resources ( more limiting factors ) would lead to a population decreasing, not increasing, therefore B is not a true statement

For C,

C. The carrying capacity will decrease when there are no limiting factors affecting the population.​

This statement would not be true because if there are no limiting factors ( which remember are expressed as a lack of particular resource ) the carrying capacity ( or the max population that can be sustained by the amount of resources in a specific environment ) would not change at all because there are no limiting factors changing the availability of the resources, therefore C is not the answer.

The size of the bacterial population after 80 minutes is 12,000 bacteria. The size of the bacterial population after 5 hours is 96,000 bacteria.

1. Convert the given time to hours:

  - 80 minutes = 80/60 = 1.33 hours

  - 5 hours = 5 hours

2. Determine the number of doubling periods for each time interval:

  - 80 minutes = 1.33 hours -> 1.33 / 0.5 = 2.66 doubling periods

  - 5 hours -> 5 / 0.5 = 10 doubling periods

3. Calculate the population size after each doubling period:

  - For 80 minutes: 1500 bacteria * (\(2^{2.66\)) ≈ 12,000 bacteria

  - For 5 hours: 1500 bacteria * (\(2^{10\)) = 96,000 bacteria

Therefore, the size of the bacterial population after 80 minutes is 12,000 bacteria, and the size of the bacterial population after 5 hours is 96,000 bacteria.

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Answer: Volume is measured by length x width x height.

Explanation: how that helps.

Answer:

plase bear with me i know this is a long answer

Explanation:

The purpose of DNA extraction liquid is to break open cells and dissolve cellular membranes, proteins, and other cellular components in order to release DNA from the cell. This is an essential step in DNA extraction procedures, as DNA is tightly packed within the cell and needs to be isolated and purified for further analysis.

There are many different types of DNA extraction liquids that can be used depending on the type of sample and the downstream application. Commonly used extraction liquids include phenol-chloroform, ethanol, and various commercial kits that utilize a variety of chemical agents and protocols.

The DNA extraction liquid typically contains a combination of reagents that help to disrupt the cell membrane and denature cellular proteins, allowing the DNA to be released and separated from other cellular components. These reagents can include detergents, salts, enzymes, and organic solvents. After the DNA has been released from the cell, it can be further purified using various methods, such as precipitation or column-based purification, depending on the specific application.

In summary, the purpose of DNA extraction liquid is to break open cells and release the DNA for further analysis. It is a critical step in many molecular biology and biotechnology applications, including genetic research, diagnosis of genetic diseases, and forensic analysis.

Hope this helps!!

Answer: it's better to do a small area at a time other than doing large areas where it will be hard to find specific species throughout the huge amount of land

A quadrat is a small, designated portion of the entire area to be sampled that is marked off so that the population within it can be counted by hand or by a similar method, like by taking an aerial photograph.

Quadrat sampling provide an accurate estimate of a population size within a defined area:

Quadrats allow researchers to study plant and animal populations spread out over large areas. They are inexpensive, relatively easy to design and adaptable for studying unevenly distributed populations.

Quadrats work well for observing changes to whole populations over time, including distribution patterns, nesting and overall health.

Quadrat sampling is a classic tool for the study of ecology, especially biodiversity. It is an important method by which organisms in a certain proportion (sample) of the habitat are counted directly.

It is used to estimate population abundance (number), density, frequency and distributions.

A quadrat is a small, designated portion of the entire area to be sampled that is marked off so that the population within it can be counted by hand or by a similar method, like by taking an aerial photograph.

Quadrat sampling methods are time-tested sampling techniques that are best suited for areas where access to a habitat is relatively easy.

Advantages:

- It sampling is easy to use and is inexpensive.

- It is suitable for studying plants, slow-moving animals and faster-moving animals with a small range.

- It requires the researcher to perform the work in the field and, without care.

- It measures abundance and needed cheap equipment.

Disadvantages:

- There exists biasness in favor of slow moving taxa.

- Collect only taxa that are present in the sampling time and not buried too deeper in sediment.

- It is a low estimate of taxonomic richness and assemblage composition.

- It is also a low detectability of among-site differences in assemblage composition.

- Some animals may experience harm if the scientist collects the population within the quadrat rather than studying it in the field.

Applications:

1. Quadrat sampling is broadly used in plant studies.

2. It is applied in ecology especially in biodiversity.

3. It is used to find the taxonomic richness of slow-moving taxa in a certain area.

4. It is the best measure of finding taxonomic richness in costal area.

5. It can be also used to evaluate the impact of weathering, trampling or erosion in an ecosystem or at a cliff or rock face.

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Answer:

need more discription

Explanation:

but make sure that an source is credible for example there will be bias information on the internet

The correct answer is A

Reliable source is one that provides thorough, well-founded theory, reasoning, discussion, etc. based on strong evidence. Scientific, peer-reviewed articles or books - written by researchers for students and researchers. Original research, extensive bibliography.

• A reliable source is one that provides thorough, well-founded theory, reasoning, discussion, etc. based on strong evidence.

• Scientific, peer-reviewed articles or books - written by researchers for students and researchers.

• Original research, extensive bibliography.

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In haplodiploid organisms, sisters can be related to one another by up to 75%.

Haplodiploidy is a unique genetic system found in some species, particularly in certain groups of insects like bees, wasps, and ants. In these organisms, males develop from unfertilized eggs (haploid) and females develop from fertilized eggs (diploid).

When it comes to sisters (female offspring from the same mother), they share the same father but have different mothers. As a result, sisters in haplodiploid species are more closely related to each other than they are to their own offspring or to their brothers. The reason for this is that sisters inherit 100% of their father's genetic material, whereas they only share 50% of their genetic material with their own offspring.

The degree of relatedness between sisters in haplodiploid organisms is expressed as a coefficient of relatedness, which measures the proportion of genes shared between individuals. In this case, sisters have a coefficient of relatedness of 0.75, indicating that they share, on average, 75% of their genes.

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Answer:

An allele is a variant form of a gene . Some genes have a variety of different forms , which are located at the same position , or genetic locus , on a chromosome . Humans are called diploid organisms because they have two alleles at each genetic locus , with one allele inherited from each parent.

Explanation:

Believe it

The large surface area of leaves allows absorption of a large amount of light. In addition, palisade cells present on the upper surface of the leaf, where the light falls, are adapted for light absorption.

Palisade cells are plant cells located on the leaves, right below the epidermis and cuticle that is the outermost layer of the leaf. In simpler terms, they are known as leaf cells.

The palisade mesophyll layer is where most of the photosynthesis occurs in the leaf. The palisade cells contain a lot of chloroplasts to help them perform this photosynthesis. The palisade cells are closely packed together to maximize light absorption.

The palisade parenchyma tissue usually is located on the upper side of the leaf, and the spongy parenchyma on the lower side. There may be only a single layer of palisade cells perpendicularly arranged below the upper epidermis, or there may be as many as three layers.

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Answer:

Distributed soils across eastern North America: some good, some poor

-

-Sea-level changes: oceans lower during periods of extensive glaciation

-Isostatic rebound: land rises after glaciers melt

Answer:

They will move inside the cell cos the concentration inside the cell is too low

Explanation:

hope it helps

Answer:

2nd option

Explanation:

Answer:

Use the top-left hamburger menu to select the "Identity > Compartments" option. Click the "Create Compartment" button. Enter the compartment name and description. If you want to make it a child of an existing compartment, select the relevant parent compartment, otherwise accept the default root container.

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Answer:

47.. in this case , the longer the food chain , the less energy is available for the rest of the members of the food chain. this indicates that a food chain with 15 trophic levels contain an energy that is insufficient to sustain all its members

48...Matter is cycled through the ecosystem in the biogeochemical cycles. ... However, energy is not recycled, but it flows into the ecosystem through the feeding relationships between the organisms in different trophic levels.

49.. (a) ...Urban development can magnify the risk of environmental hazards such as flash flooding. Pollution and physical barriers to root growth promote loss of urban tree cover. Animal populations are inhibited by toxic substances, vehicles, and the loss of habitat and food sources.

Explanation:

#keep learning!!

Answer:

B. the hormone must enter the cell

Answer:

A: The hormone must attach to the cell's receptor.

A lab test called the fecal occult blood test (FOBT) is used to examine stool samples for undetectable blood (occult blood).

Though not all tumors or polyps bleed, occult blood in the stool may be an indication of colon cancer or polyps in the colon or rectum.

Typically, occult blood is passed in such minute volumes that a fecal occult blood test is the only way to detect it. A fecal occult blood test may reveal blood, in which case other tests may be required to identify the cause of the bleeding. The fecal occult blood test can only determine if blood is present or absent; it cannot identify probable bleeding causes.

Detect colon cancer. Your doctor could advise a fecal occult blood test once a year to check for colon cancer if you're 50 years of age or older and at average risk of developing the disease. However, you could also require further screening exams that provide the doctor a direct view of your colon.

Examine potential reasons for unexplained anemia. The inability of your healthy red blood cells to provide enough oxygen to your tissues is known as anemia. Fecal occult blood testing is sometimes done to identify whether internal bleeding, such as from a bleeding ulcer, is causing your anemia.

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The main idea of Wegener's continental drift theory was that Land masses move across Earth's surface over time. That is option D.

The continental drift theory is the theory that believes that the earth surface is made up of land masses which drifts across the Earth, sometimes plowing through oceans and into each other.

The continental drift theory is most associated with the scientist Alfred Wegener, whom in the early 20th century believed that Land masses move across Earth's surface over time.

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Answer:

The answer is either B. Earth's surface is composed of moving plates or it's D. Land masses move across Earth's surface over time.

Explanation:

What was the main idea of Wegener's continental drift theory?(1 point)

Responses

All land masses on Earth's surface are stationary.

Earth's surface is composed of moving plates.

Land masses will eventually be replaced by ocean.

Land masses move across Earth's surface over time.

The average cropland fraction for the small farms is option B) 25%.What is cropland fraction? the correct option is B) 25%.

Cropland fraction is the percentage of land used for crops or agriculture. Cropland fraction is calculated as follows: Cropland fraction = (cropland area/total land area) × 100%.Cropland fraction for small farmsCropland is land that is mainly used for agricultural production. The average cropland fraction for small farms varies according to the size of the farm. Small farms usually have a higher percentage of cropland. The average cropland fraction for small farms is around 25%.

The average cropland fraction for small farms can vary depending on the specific region and agricultural practices. However, without further information or context, it is not possible to provide an accurate average cropland fraction for small farms.

The percentage of cropland can be influenced by factors such as farm size, location, climate, crop types, and farming techniques. It can range widely from less than 10% to more than 75%, depending on these variables.

Therefore, without specific information or a defined context, it is not possible to determine the average cropland fraction for small farms.

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