What does DNA use to store information

Answer: Genetic variation results in a species with individuals that have similar genes and that can adapt to changes in the environment

Explanation:

The option that describes industrial agriculture is: Introduced machines and synthetic fertilizers. Option C is the correct answer.

This refers to the large-scale, intensive production of crops and animals, often involving chemical fertilizers on crops or the routine, harmful use of antibiotics in animals (as a way to compensate for filthy conditions, even when the animals are not sick).

"Introduced machines and synthetic fertilizers," best describes industrial agriculture. Industrial agriculture is a farming method that emphasizes maximizing productivity and efficiency through the use of technology, such as machines, synthetic fertilizers, and pesticides, and large-scale monoculture cropping systems. It has been developed to meet the growing demands of a rapidly increasing global population and to provide affordable food products. The use of machines and synthetic fertilizers allowed for a significant increase in crop yields, but it also has some negative consequences, such as environmental degradation and soil degradation over time.

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Option(B) Ureter is the correct option.

The ureter is a vital part of the urinary system in humans. It is a muscular tube that connects the kidneys to the urinary bladder. Each human has two ureters, one attached to each kidney, and they play a crucial role in the transportation of urine from the kidneys to the bladder.

The primary function of the ureter is to carry urine that is produced in the kidneys to the urinary bladder for storage before it is eliminated from the body through urination. The ureters accomplish this by using peristalsis, a wave-like muscular contraction, to propel urine along their length.

The ureters have a complex anatomical course. They originate from the renal pelvis, which is the funnel-shaped structure that collects urine from the kidneys. From there, they extend downward, crossing over the brim of the pelvis and passing behind the peritoneum, the membrane lining the abdominal cavity.

The efficient functioning of the ureters is essential for the proper elimination of waste products and maintenance of fluid balance in the body. Any obstruction or abnormality in the ureters can lead to conditions like kidney stones, urinary tract infections, or urinary reflux.

In summary, the ureters are muscular tubes that transport urine from the kidneys to the urinary bladder. They rely on peristaltic contractions to propel urine, and their structure and positioning help ensure unidirectional flow.

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During dialysis, diffusion facilitates the movement of waste products and excess fluids out of the blood, restoring homeostasis.

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Answer:

Populations change over time by natural selection when individuals with more fit traits leave more offspring than individuals with less fit traits.

The number of individuals with each trait in a population can change over time through a process called natural selection.

This occurs when certain traits become more advantageous in a particular environment, increasing the likelihood that individuals with those traits will survive and reproduce. Over many generations, this can lead to changes in the frequency of those traits within the population.

For example, if a population of birds lives in an environment where the trees have become taller over time, individuals with longer beaks may be better adapted to reach food sources, and thus have a higher chance of survival and passing on their long-beaked trait to their offspring. As a result, the proportion of birds with long beaks may increase in the population over time.

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The correct statement is: With channel proteins, molecules or ions flow passively through the protein from high concentration to low concentration.

Neither channel proteins nor carrier proteins themselves flow or move in any direction. They are static structures that are embedded within the cell membrane and act as conduits or gates for the movement of specific molecules or ions across the membrane.

The movement of molecules or ions through these proteins depends on their concentration gradient. Channel proteins allow the passive flow of ions/molecules from high concentration to low concentration, while carrier proteins can facilitate both passive and active transport of molecules across the membrane. In active transport, molecules move from low concentration to high concentration, and this process requires the expenditure of energy (in the form of ATP).

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When we see the reciprocal cross between a red-eyed female (homozygous) and a white-eyed male,we observe that none of the offspring will have white eyes. Additionally, the sex of the offspring will be half male and half female since the ratio of males to females is 1:1.

The reciprocal cross for a red-eyed female (homozygous) and a white-eyed male can be shown as follows:Female (XrXr) x Male (XwY). Females have two X chromosomes and males have an X and a Y chromosome. Red eyes are dominant to white eyes; therefore, we use Xr to represent red eyes and Xw to represent white eyes.

The offspring are as follows:All F1 females are heterozygous (XrXw).All F1 males are hemizygous (XrY).The F1 generation will have red eyes since the dominant allele is present.

None of the F1 individuals will have white eyes as the recessive allele is not present in the F1 generation.

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The recommended daily intake for adults and adolescents is between six and fifteen milligrammes (mg), or 10,000 and 25,000 units of vitamin A activity, of beta-carotene.

According to research, the body can convert 2 micrograms (g) of -carotene found in supplement oil into 1 g of retinol, giving it a 2:1 RAE ratio. However, the body needs 12 g of food-based -carotene to produce 1 g of retinol, providing dietary -carotene a 12:1 RAE ratio.

The recommended daily intake for adults and adolescents is from six to fifteen milligrammes (mg), or 10,000 and 25,000 units of vitamin A activity, of beta-carotene. Beta-carotene intake for children should range from 3 to 6 mg per day (5,000–10,000 USU for vitamin A activity).

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The value of x = 2 when the length of each diagonal. LN=x and MP=3x-4, where LMNP is a rectangle.

Because a square is a quadrilateral with all four angles at right angles, every square is also a rectangle. To be a square, a rectangle's sides must all be the same length, hence not all rectangles are squares.

An example of a quadrilateral with equal and parallel opposite sides is a rectangle. It is a polygon with four sides and four angles that are each 90 degrees. A rectangle is a shape with only two dimensions.

LMNP is a rectangle, and LN and MP are opposite sides of equal length. Therefore:

LN = MP

x = 3x - 4

2x = 4

x = 2

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Answer:

The coefficient of variation (CV) is the ratio of the standard deviation to the mean. The higher the coefficient of variation, the greater the level of dispersion around the mean. It is generally expressed as a percentage. ... The lower the value of the coefficient of variation, the more precise the estimate.

The following picture depicts the prophase stage of meiosis.

In sexually reproducing organisms, meiosis is a kind of cell division that results in a reduction in the number of chromosomes in gametes (the sex cells, or egg and sperm). Body (or somatic) cells in humans are diploid, meaning they have two sets of chromosomes (one from each parent).

The process of mitosis, which divides the duplicated genetic material held in a parent cell's nucleus into two identical daughter cells, begins with the prophase. The chromatin, a combination of DNA and proteins found in the nucleus, condenses during prophase.

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Answer: I belive the answer is A

Explanation: owls are carnivores since they only eat meat. and rabbits and mouses eat veggies and grass * herbivores.*

Answer:

Bacteriorhodopsin

Explanation:

Purple Halobacterium species owe their color to bacteriorhodopsin, a light-sensitive protein.

Explanation:

number number 539 34 is divisible by which of the following numbers

Answer:

Natural selection is process that allow organism that has suitable attributes with its environment, to thrive (grow in population), to survive, and to pass its genetic information to the next generation (children, grand children).

Explanation:

For example: in an island, a male giraffe, and a female giraffe produce giraffe children with various attributes. Some giraffe children have short neck, and some have long neck.

Giraffe eats the leaves of Acacia tree, and Mimosa tree. Many acacia tree and tall mimosa tree in that island, are tall trees, so a giraffe that has long neck can reach that tall tree, eat the leaves, survive, and grow to adult stage.

A giraffe that has short neck, can only eat small quantity of leaves, then it suffers, can not grow, becomes skinny, and unable to compete with other giraffe finding its mate. It can't pass its genetic information to the next generation, and becomes extinct.

That's how natural selection, in above case, an island with a lot of tall acacia trees and mimosa trees selects giraffe with long neck to survive.

The next interesting follow up question would be how a male giraffe and a female giraffe produce various kind of giraffe children? The answer is a pair of chromosome become a single chromosome in giraffe sperm, and in a giraffe eggs. But that question and its answer are beyond the scope of the original question.

Answer:

The answer is A,

Explanation:

Just took the test.

The two objects on the slide that the students noticed are cheek cells and bacteria.

Cheek cells are the cells that line the inside of your cheek. They  shed constantly and are also replaced by new cells.

Bacteria are microscopic organisms that live on and in our bodies. There are many different types of bacteria, and they can be found in all parts of our bodies, including our mouths.

Bacteria are not all bad. Some of them are important for our health because they help to break down food and they produce vitamins that we need.

The student was able to see the cheek cells and bacteria on the slide because they were stained with a dye called methylene blue.

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This is a problem in the field of ecology.

The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.

It falls under the discipline of ecology, which studies the relationships between organisms and their environment.

Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.

In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.

They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.

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Pure culture involves culturing a single species, subculture is when an isolated colony is transferred to another culture, mixed culture involves two or more species and contaminated culture is the one which has unwanted and unidentified colonies.

Bacteria and other cells can be cultured in labs with the help of certain growth mediums under specific controlled conditions. There are different types of cultures. The type of culture which is most frequently used in the labs and contains just a single species of microbe is known as a pure culture. A sub-culture is basically a second level culture in which the isolated colony from one culture is transferred into a new medium.

A culture consisting of two or more species that can be easily differentiated is known as a mixed culture. A contaminated culture is the one containing one or even more types of unwanted microbes.

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The human body carries out its main functions by consuming food and turning it into usable energy. Immediate energy is supplied to the body in the form of adenosine triphosphate (ATP). Since ATP is the primary source of energy for every body function, other stored energy is used to replenish ATP

Cellular respiration needs oxygen and produces carbon dioxide, whereas photosynthesis consumes carbon dioxide and produces oxygen. Free oxygen is required for cellular respiration by us and most other organisms

From the analysis of the 2 equations: X = 3/4 and Y = 5/4

The equations can be solved using subtracting one of the two equations from the other.

Let's label the two equations:

Y=3x-1 .................... equation 1

Y=2-X..................... equation 2

Equation 2 can be rearranged such that:

Y = -X+2

Subtracting equation 2 from 1:

Y=3x-1

Y = -X+2

0 = 4X -3

4X = 3

  X = 3/4

Substitute X = 3/4 into any of equations 1 or 2 to determine Y.

Y = 3(3/4) - 1

   = 9/4 - 1

    = 5/4

Hence X = 3/4 and Y = 5/4

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Answer:

they literally cross over. it's the 3rd ome

Explanation:

and also they exchange some DNA and genes

The statement best describes the process of crossing over is homologous chromosomes pair up, and non-sister chromatids exchange genetic material. The correct option is c.

The thread-like components known as chromosomes are found in the nucleus of both animal and plant cells. Protein and a single molecule of deoxyribonucleic acid make up each chromosome (DNA).

DNA is passed down from parents to children and contains the precise instructions that give each kind of living thing its individuality. DNA may be precisely duplicated during these cell divisions thanks to chromosomes.

So, once more. Our cells' nuclei include chromosomes, which enable precise DNA duplication during cell division. This guarantees that our internal processes go smoothly and effectively.

Therefore, the correct option is c, Homologous chromosomes pair up, and non-sister chromatids exchange genetic material.

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Answer:

straight from desmos, make linear positive line with x intercept at 2 and y intercept at -1.

Explanation:

Answer:

Sedimentary

Because it is made is sediments

Explanation:

got it right , edge 2020

The picture shown here is of sedimentary rock. It is visible so because of the identification features of a rock as shown in the image.

The process is that the soil and the sand that gets accumulated and together with the mud gets collected in order to form a hard mass by the passing of time called as rock.

The kind of rock identification is done on the basis of rock identification aspects that are decided for each type of rock that has been kept under observation. In sedimentary rock, the grains and the displacement of rock grains together gives a larger or smaller appearances.

The types of layers and mud particles joined together along with the ripple marks that have been put together shows the marks on the rocks.

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Answer:

The xylem transports water and minerals from the roots up the plant stem and into the leaves. In a mature flowering plant or tree, most of the cells that make up the xylem are specialised cells called vessels. Vessels: Lose their end walls so the xylem forms a continuous, hollow tube.

Explanation:

Answer:2.1cm

Explanation:

Just took the test

Answer:

2,1cm

Explanation: