Compare and contrast the terms bactericidal and bacteriostatic in relation to microbial control agents. Develop a simple experimental method that could be used to test whether a control agent exhibits bactericidal or bacteriostatic effects.

Answer: The part of the atom that carries a negative charge is the electron and the part that carries a positive charge is the proton

Explanation:

Electrons: The smallest Subatomic particles that make up an atom. They carry a negative charge and revolve around the nucleus in separate orbits.

Protons: The type of subatomic particle that is positively charged and can be found inside the nucleus of an atom.

A neutral atom has an equal no of electrons and protons.

Answer:

i think its DNA

Explanation:

im not sure

Answer:

meiosis (soso srry if im wrong)

Explanation:

Answer:

a reduction in the value of an asset with the passage of time, due in particular to wear and tear.

"provision should be made for depreciation of fixed assets"

Explanation:

The monetary value of an asset decreases over time due to use, wear and tear or obsolescence. This decrease is measured as depreciation. Machinery, equipment, currency are some examples of assets that are likely to depreciate over a specific period of time.

Answer:

Julie can pick one incident and start framing her story. She can write it out in about 1,000 to 1,500 words. She could choose the most dramatic incident as the climax of her story.

Explanation:

Answer:

wear bras and why you askin dat

Explanation:

Answer:

i dont know

Explanation:

Answer:

will this work or help?

Explanation:

Multiple births can include fraternal or identical multiples ... This can happen if your body releases multiple eggs and ... Are a twin yourself or have twins in your family.

Answer:

water enter a plant cell through a tube called the xylem vessels

A testable hypothesis is one that can be tested through empirical research, meaning that it is possible to gather evidence to support or refute it.

A hypothesis is a possible explanation that is proposed for a phenomenon that occurs in nature. In the scientific method, hypotheses are tested by collecting and analyzing data to either support or reject them.

A testable hypothesis could be formed from a question by using the following steps:

Identify the phenomenon that you want to study: Start by identifying the phenomenon that you want to study. This could be a relationship between two variables or a question about how something works. Develop a research question: Based on the phenomenon you want to study, develop a research question that can be answered through empirical research. This question should be specific and should be able to be tested using scientific methods. Formulate a hypothesis: Using your research question, formulate a hypothesis that can be tested through empirical research. This hypothesis should be a statement that proposes a possible explanation for the phenomenon you are studying. It should be clear, concise, and testable.

Test the hypothesis: Once you have developed a testable hypothesis, you can design and conduct experiments to gather data that will either support or refute the hypothesis. If the hypothesis is supported by the data, you can consider it to be a valid explanation for the phenomenon you are studying. If the data refute the hypothesis, you may need to revise it or develop a new hypothesis.

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The DNA polymerase will build the complementary strand with the code: ATGCCGTATACGTTTACCGCTCGGATATA.

DNA replication is a process by which a DNA molecule makes a copy of itself. During DNA replication, an enzyme called DNA polymerase reads the existing DNA strand and builds a new complementary strand by matching up the appropriate nucleotides.

To build the complementary strand of DNA, we need to use the base pairing rules: adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G).

So, for each base in the original sequence, we will pair it with its complement:

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The complementary strand to the given sequence would be:

ATGCCGTATACGTTTACCGCTCGGATATAA

A gene sequence is a specific sequence of nucleotides in DNA (or RNA) that encodes the genetic information for a particular trait, function or protein. Genes are the basic unit of heredity and are responsible for passing on traits from one generation to the next.

The complementary strand of DNA will have a sequence that pairs each nucleotide with its complementary base: adenine (A) with thymine (T), and cytosine (C) with guanine (G). Therefore, the complementary strand to the given sequence would be:

ATGCCGTATACGTTTACCGCTCGGATATAA

During DNA replication, DNA polymerase reads the existing strand from 3' to 5' and builds the complementary strand in the 5' to 3' direction. Therefore, the new strand would be synthesized by adding nucleotides in the following order:

ATA...CGT...TAA...CGC...TGG...ATA

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Answer:

Many factors influence the size of a population. Food, water, shelter, predation, and density are all things that can allow a population to grow or cause it to decline.

Hope it helped! :)

Answer:

A. Similarities between mitosis and meiosis include: 

both are processes of cell division or the creation of daughter cells from a parent cell

both go through the phases: prophase, metaphase, anaphase, and telophase and cytokinesis

both use most of the same machinery of cell division including centrosomes, spindle fibers, etc.

B. Differences between mitosis and meiosis include:

Meiosis is used in sexual reproduction to make four haploid (n) daughter cells from one parent cell. 

Mitosis is used for growth, replacing old cells, and asexual reproduction. One parent cell makes more 

Meiosis happens in two stages, or two rounds of division, known as meiosis I and meiosis II. Mitosis only involves one round of division, or division of the cytoplasm.

During meiosis, crossing over occurs, which increases the genetic variation of gametes. This does not happen in mitosis. 

Answer:

A. The process of transferring information from DNA to mRNA

Explanation:

The segments of DNA are transcribed into RNA molecules that can encode proteins are said to produce messenger RNA (mRNA)

Inquiry-based pedagogy involves fostering curiosity and active learning. For example, students investigating real-world environmental issues and proposing solutions.

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If a membrane that is particularly permeable to K+ ions but impermeable to Cl- ions separates a solution of 100 mmole/L KCl from a solution of 10 mmole/L, the number of mmoles of K+ and Cl- on both sides will equal 100. (10 mmoles).

Generally, If a solution of 100 mmole/L KCl is separated from a solution of 10 mmole/L KCl by a membrane that is very permeable to K+ ions, but impermeable to Cl- ions, the number of mmoles of K+ will be the same on both sides of the membrane (100 mmoles) and the number of Cl- will also be the same on both sides of the membrane (10 mmoles).

This is because the membrane is only permeable to K+ ions

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Answer:

400-700 nm

Explanation:

While the actual answer is 380 to 700 nm, that is the closest to it.

correct answer is B; if the allele is expressed after reproduction has occurred.

The situation in which a gene pool contain an allele that causes a lethal disease is: (B) If the allele is expressed after reproduction has occurred.

When the allele is expressed after reproduction has occurred, individuals carrying the lethal allele can reproduce and pass on the allele before the disease is expressed. Since the disease may not manifest until later in life or after reproduction has occurred, the allele can persist in the gene pool without being selected against. Over generations, the allele frequency can remain relatively stable, leading to the presence of the lethal allele in the gene pool.

An allele can be defined as a variant form of gene. Alleles can exist in different forms due to changes in the DNA sequence. These changes can be substitutions, deletions, insertions, or other types of genetic mutations.

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Answer:

Answer below

Explanation:

Many states offer free virtual programs that allow you to co-enroll and access advanced courses for free. Check with your local virtual programs to see which ones you can qualify for.

If you are unable to attend virtual programs, then you can likely find a online service (it will not be live most the time) that can teach you. Channels like CrashCourse are good, but I believe Khan Academy also provides videos, articles, and practice tests on anatomy.

I hope this helps, anatomy and physiology is a very useful and interesting course to take. Good on you for having the initiative =)

Answer:

According to Charles' Law.

Volume is directly proportional to Temperature.

So if temperature increases from 22degree Celsius to 23degree Celsius, then Volume will increase from its initial.

The change in volume from 22 degrees Celsius to 23 degrees Celsius is seen because the change in temperature is directly proportional to the change in volume and the volume increases.

The role of temperature is important as the low temperature changes the state that is from the liquid to the solid while the high temperature changes the state of matter that is from the liquid to the gas. The temperature of the earth is continuously increasing, so that the polar ice is melting and the water level on the earth is increasing. The increase of one degree is significant in the earth as the ice melts into the water, and that harms the animals and plants present in the different habitats.

Hence, the change in volume from 22 degrees Celsius to 23 degrees Celsius is seen because the change in temperature is directly proportional to the change in volume and the volume increases.

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The primary consumers in the food chain are the organisms that eat the producers, which in this case are the brittlebushes. The primary consumers are the pallid-winged grasshoppers.

The other organisms in the food chain are secondary consumers (grasshopper mouse), tertiary consumers (red-tailed hawk), and apex predators (western diamondback rattlesnake).

Here is a diagram of the food chain with the primary consumers highlighted in green:

brittlebush (producer)

----------------------->

pallid-winged grasshopper (primary consumer)

----------------------->

grasshopper mouse (secondary consumer)

----------------------->

red-tailed hawk (tertiary consumer)

----------------------->

western diamondback rattlesnake (apex predator)

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Answer:

The scientific method is the process of objectively establishing facts through testing and experimentation. The basic process involves making an observation, forming a hypothesis, making a prediction, conducting an experiment and finally analyzing the results.

It is necessary for cells to have nucleus acids in their nucleus because they carry the genetic blueprint of a cell and carry instructions for the functioning of the cell.

A nucleic acid is a chain of nucleotides that biological systems use to store genetic information. It produces the DNA and RNA molecules, which hold the data necessary for cells to produce proteins.

A "polymer" of "nucleotides," or a long molecule made up of them, is referred to as nucleic acid. All life on Earth needs nucleic acids to store genetic information; in other words, nucleic acids serve as the "source code" or fundamental blueprint for the creation of cells.

Your genetic information, which you acquired from your parents, is stored and transmitted by nucleic acids. Genes are unique pieces of nucleic acids that are in charge of creating every protein in your body. 

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Answer:

Rise in temperature.

Explanation:

Increase in temperature is responsible for the decline in the population of trout because trout needs low temperature for better growth and survival. Due to more consumption of fossil fuels in vehicles and industries, more carbondioxide gas is released which causes air pollution. This air pollution increases the temperature of the earth surface known as global warming due to which the cold areas become warm and as a result the trout population decreases.

Answer:

eye contact

Explanation:

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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Answer:

Excess phosphorus is polluting our environment while, ironically, mineable resources of this essential nutrient are limited. Globally, oxygen-depleted marine coastal 'dead zones' caused by nutrient-stimulated algal blooms continue to expand

Explanation:

There are 3 Check points in the cell cycle.

1 G1 checkpoint.

2 G2 checkpoint.

3 Spindle checkpoint.

G1 checkpoint: It is the most essential part of the cell cycle and major step taking place in whether to divide or not. If the cell completes this phase and enters the S phase it becomes impossible to reverse the cycle and get back to the G1 step.

Once a cell passes this phase it will divide into 2 daughter cells, some of the things are required before a cell divides:

a) Nutrients

b) Proper DNA.

c) Enough size to divide.

G2 Checkpoint: Here the Damaged DNA will be checked and The process of DNA replication will complete here. For the damaged DNA is found, then the process of repairs will start for the DNA, and if detect any kind of problem the whole cycle will stop at the G2 phase.

If the cell can be repaired then it will go for repair, but if the cell DNA cannot be repaired it will go for Apoptosis or programmed cell death. By this cell will make sure that No damaged DNA will be passed further.

Spindle checkpoint/ M checkpoint: At this stage checks will be there for chromosome attachment to the spindle at the metaphase plate. At this stage, the cell checks that the sister chromatids are properly attached to the microtubules as it will become irreversible in anaphase. Sister chromatids should be firmly attached to the spindle fibers from the opposite poles at this stage.

At this stage all chromosomes should be aligned at the metaphasic plate, inability to do so will stop the whole process. Chromosomes should not be misplaced.

Answer:

The correct answer is B. False

Explanation:

The genotype of an organism determines its phenotype. Phenotype is constituted by observable characteristics of an organism. These characteristics are codified by genes, and the combination of the differents variants of a gene which codify a phenotipic characteristic constitutes the genotype. For example: eyes color is a characteristic. Its is codified by variants of a gene. The combination of two variants of a gene gives a genotype, which codifies for the phenotype 'blue eyes'.