Southern Florida has many tropical hardwood hammocks—forest habitats that are warm, wet, and populated with many broad-leaved evergreen trees. Why might a plant native to an ecosystem with a cooler climate do well if introduced to a tropical hardwood hammock? Group of answer choices The trees in the tropical hardwood hammock are better at competing for native resources than the introduced species are. The wet conditions in the tropical hardwood hammock disrupt the life cycle and limit reproduction of the introduced species. Freezing temperatures that normally limit the population in the cooler climate are lacking in the tropical hardwood hammock. Pollinators and seed carriers that normally increase the population in the cooler climate are lacking in the tropical hardwood hammock.

Answer:

Sends neurotransmitters

Explanation:

APEX answer

Answer: Sends neurotransmitters

Explanation:

Hope this helps!

Answer:

progressive weakness and loss (atrophy) of skeletal and heart muscles.

Explanation:

Answer:

a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.

"the sporophytes of green algae form spores only by meiosis"

The physical map of the array of chromosomes is called a karyotype. The correct answer is  option (C).

A karyotype is a visual representation of the number, size, and shape of an individual's chromosomes arranged in a standard format. Karyotyping is a common technique used in genetics and reproductive medicine to diagnose chromosomal disorders such as Down syndrome, Turner syndrome, and Klinefelter syndrome. Hence option (C) is the correct answer.

A haplotype refers to a specific set of genetic variations that are inherited together on the same chromosome. An ecotype refers to a population of organisms that have adapted to a specific ecological niche.A phenotype refers to the observable physical and behavioral characteristics of an individual resulting from the interaction between genetic and environmental factors.

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Answer:

The energy conversions that occur when a grapefruit falls from a tree is;

Potential energy ---> kinetic energy ---> potential energy

Combustion reactions occur in the presence of oxygen gas- True

Energy is the ability to do work - True

A renewable energy source is one that is replaceable - True

Light energy is emitted by certain organisms such as fireflies and glow-worms - True

Sound energy cannot travel through air - False

Heat energy cannot travel through a liquid for example water - False

Explanation:

According to the first law of thermodynamics, energy can not be created nor destroyed but is converted from one form to another. When a grapefruit falls from a tree, the energy conversion is as follows;

Potential energy ---> kinetic energy ---> potential energy

Combustion reaction refers to a reaction where a substance is burnt in oxygen to produce heat and light.

Energy is defined in science as the ability to do work. Renewable energy can be replaced. A typical example is solar energy.

Light energy is emitted by certain organisms such as fireflies and glow-worms.

Sound is a mechanical wave hence it must be transmitted through a medium. The medium through which sound waves are transmitted is air.

Heat travels through any thermal conductor. Water is an example of a good thermal conductor. Heat indeed travels through different liquids.

Answer:

i think is b

Explanation:

Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells. The cell wall is a rigid covering that protects the cell, provides structural support, and gives shape to the cell.

Pseudogenes are non-coding sequences, which are derived from genes that were functional but have been inactivated by mutations over the course of evolution.

The number of genes that code for proteins in a genome is not associated with the size of the genome. In addition to genes that code for proteins, genomes have other components, such as sequences involved in gene regulation, regions that code for RNA molecules, and pseudogenes.

Pseudogenes are considered the remnants of genes that were functional at some point in the evolutionary history of an organism but have accumulated too many mutations to be expressed or functional currently. In other words, pseudogenes are dysfunctional relatives of functional genes with similar DNA sequences. They are remnants of once-functional genes, but due to mutations, they can no longer express a functional protein and are considered non-coding sequences in the genome.

Pseudogenes account for 20-25% of the human genome and are often used as a source of genetic variation in the evolution of species. Thus, it is clear that the size of the genome is not related to the number of genes coding for proteins as the genome contains many other non-coding sequences such as regulatory regions, RNA-coding regions, and pseudogenes.

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An antibacterial specialist utilized on skin tissue is generally alluded to as a clean. In order to avoid infection, it is applied to the skin to kill or prevent the growth of bacteria.

Chlorhexidine, povidone-iodine, chloroxylenol, isopropyl alcohol, hexachlorophene, benzalkonium chloride, and hydrogen peroxide are all common antiseptics used in dermatologic surgery. They ought to be utilized for the majority, if not all, procedures that go deeper than the dermis of the skin.

Among topical antiseptics, chlorhexidine, povidone iodine, and isopropyl alcohol are the most frequently used three. Isopropyl alcohol is the most effective antibacterial agent, but it is also flammable and has been linked to operating room fires.

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Answer:

you would use your muscles from your legs and your body to get up from your bed and go to your fridge, your muscular system helps you up by being a structure for the muscles to apply force, you will use arm muscles for getting out cookies and milk. Then you will drink and eat your cookies and milk with your jaw muscle and send it down your esophagus to the intestines for the digestive system to break down your food. Then you will use your legs(muscles) to go back to your bed and sleep. (don't copy this whole thing it is not complete and you must add stuff so it is complete im just giving you an idea or the structure of this essay)

Answer:

1. independent: growth hormone

dependent: wight

2. independent: mosquito repellent

dependent: mosquito bites

3.  independent: type of water

dependent: the change in mass

4. independent: 2 different cars

dependent: the distance it takes for them to stop

5. independent: each side

dependent:time spent in each side

6. independent: the brand

dependent:how many times it jams

7. independent: exposure to pesticide  

dependent:how many die

8. independent: temp of water

dependent: height

9.   independent:  i don't have the independent to this one

dependent:blood pressure

10. independent: lemon juice

dependent:how brown it is or got

11. independent: temp of water

dependent: respiration rate

12. independent: antibiotic

dependent:number of colonies

Explanation:

Examples of prokaryotic cells include bacteria and archaea. Prokaryotic cells are small and simple in structure, lacking a nucleus and membrane-bound organelles.

Examples of eukaryotic cells include animal cells, plant cells, and fungal cells. Eukaryotic cells are larger and more complex than prokaryotic cells, containing a nucleus and membrane-bound organelles such as mitochondria, chloroplasts, and the endoplasmic reticulum. Eukaryotic cells are found in multicellular organisms and are also present in some single-celled organisms such as protozoa.

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As you move farther away from a light source, the illuminance (the amount of light that falls on a surface) decreases.

Illuminance decreases as you move farther from light source. This is because the light spreads out in all directions as it moves away from the source, so the same amount of light is distributed over a larger area.

The relationship between illuminance and distance is described by the inverse square law, which states that the illuminance decreases in proportion to the square of the distance from the source.

In other words, if you move twice as far away from a light source, the illuminance will be reduced to one-fourth (1/2²) of what it was before. If you move three times as far away, the illuminance will be reduced to one-ninth (1/3²) of its original value, and so on.

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Answer:

A. organ

Explanation: that is a kidney which is a organ, composed of cells making a tissue. It can't be tissue or cell then, and organ systems are multiple organs working together. so it's organ

The part of LGBTQ+ community comprises individuals who identify themselves as lesbian, gay, bisexual, transgender, queer, or questioning.

Many individuals who identify themselves as members of the LGBTQ+ community may identify themselves with multiple identities, and sometimes they may even add more letters to the acronym. For instance, the acronym QUILTBAG or LGBTQIA includes queer, questioning, intersex, asexual, and allies. Being bisexual and polyamorous means that you are attracted to people of multiple genders and also have the capacity to love multiple people at once.

Bisexuality is a sexual orientation characterized by attraction to people of multiple genders, while polyamory refers to being in multiple consensual romantic and/or sexual relationships with different people. Being part of the LGBTQ+ community means that individuals are united by a shared experience of having a non-normative sexual or gender identity, and it is crucial to have acceptance and support to create an inclusive society. So therefore the part of LGBTQ+ community comprises individuals who identify themselves as lesbian, gay, bisexual, transgender, queer, or questioning.

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a. To verify the purity of a given "pure" culture of E.coli, you can follow these steps:
1. Prepare a streak plate: Start by sterilizing an inoculation loop, and then use it to streak the E.coli culture onto a nutrient agar plate.
2. Incubate the plate: Place the agar plate in an incubator set at 37°C for 18-24 hours, allowing the E.coli colonies to grow.
3. Observe colony morphology: After incubation, examine the agar plate for distinct colony morphology. Pure E.coli cultures typically have round, moist, and shiny colonies with a cream color.
4. Perform Gram staining: Carry out a Gram stain on a sample from the colony to check if the bacteria are Gram-negative, which is a characteristic of E.coli.
5. Additional tests: To further confirm the purity, you can perform biochemical tests, such as the indole test, methyl red test, and citrate utilization test, which are specific for E.coli.

b. If the culture was not pure, you would notice:
1. Different colony morphologies: On the agar plate, you might see colonies with varying shapes, sizes, colors, and textures, indicating the presence of different bacterial species.
2. Inconsistent Gram staining results: Upon performing Gram staining, you may find both Gram-negative and Gram-positive bacteria, indicating a mixed culture.
3. Varying results in biochemical tests: Inconsistent results in the biochemical tests would suggest that the culture is not pure, as E.coli would give specific results for each test.

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Answer:

Mutation occurs.

Explanation:

Mutation occurs in the tissues that receives radiations because the production of proteins by ribosomes increases. In normal conditions, ribosomes produces normal amount of protein but in this case proteins production increases by the tissue due to exposure to radioactive amino acid that causes mutation in the ribosomes and it increases its protein production.

Answer:

1. evaporation

2. condesation

3. precipitation

4. infiltration

5. groundwater runoff

6. surface runoff

7. transpiration

8. solar radiation

Answer:

False

Explanation:

False, blood cells do not have a cell wall at all. Only plant cells have cell walls.

Not sure how to make it true,  but I do know it is false.

Answer:

igneous is by heat, sedimentary byayering and metaphoric by heat

Photic Zone is the top layer, closest the outer layer of the sea and is likewise called the daylight layer. The water in this area receives enough light to allow for photosynthesis.

The area of water that can be penetrated by light is called the photic zone. Because of this, the photic zone is characterized by the presence of plant life, particularly phytoplankton and larger attached algae.

The ocean is typically divided into three zones, each of which is given a name based on how much sunlight it gets: the euphotic, dysphotic, and photic zones.

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Need to understand the process of splicing and the factors that influence the length of the mRNA transcript after splicing.

Splicing is the process by which introns, non-coding regions of DNA, are removed from pre-mRNA to produce mature mRNA. The number of introns that need to be spliced and the size of each intron are two critical factors that determine the length of the mRNA transcript after splicing. It is difficult to determine the exact number of bases in the mRNA after splicing without knowing the specific DNA sequence and the location of each intron. However, it is possible to estimate the maximum number of bases that could be present in the largest possible transcript. To estimate the maximum number of bases in the largest possible transcript, we need to consider a hypothetical scenario where a gene contains three introns of equal length.

The resulting mRNA transcript would have a length of 6,000 bases, which is the sum of the length of the three exons. In conclusion, the number of bases in the mRNA after splicing is determined by the size and number of introns in the pre-mRNA and the length of the exons. Without knowing the specific DNA sequence and the location of each intron, it is difficult to determine the exact number of bases in the mRNA. However, we can estimate the maximum number of bases in the largest possible transcript by assuming a hypothetical scenario where the gene contains three introns of equal length. In this scenario, the length of the mRNA transcript would be equal to the sum of the lengths of the exons.

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Marcie must consider the following while examining a Wikipedia article:

Authority and expertise: Marcie should evaluate the article's authors' credentials. She can verify the material with experts or established organizations. Marcie should know that Wikipedia attempts towards neutrality, but prejudices can still exist.

Verifiability and citations: Marcie should verify that the article cites reputable sources. These citations will help her verify the material.

Currency and updates: Marcie should evaluate the article's currency and relevance to current research. She can check the article's edit history.

Use as a beginning point: Marcie should remember that Wikipedia can provide a broad overview of the issue for research.

Marcie can utilize Wikipedia as a resource while being mindful of its limitations and verifying and validating the information.

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Proteases enzyme is not found in saliva , hence option 'D' is correct

The natural execration occurs from salivary gland, thus it accounts for high concentration of urea and uric acid found in saliva. Since the amount of creatinine production is consonant in 24 hours , uric acid and urea -to- creatinine ratio are better to clarify the changes of this compound concentration in saliva . Therefore option A is incorrect.

The main inorganic components are sodium , potassium, chloride, calcium, phosphate , and bicarbonate , all contributing to the ionic strength of saliva. Therefore option B is incorrect.

As an important part of the non specific immune defense mechanism , lysozyme is an important component of antibacterial in saliva. Therefore option C is incorrect.

Proteases are released by pancreas into the proximal small intestine ,where the mix with proteins already denatured by gastric secretion's and break down into amino acids. Therefore option "D" is correct.

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The lac repressor protein controls the expression of the lac operon by binding to the operator region of the lac operon.

The lac operon is regulated by a DNA binding protein known as the lac repressor protein, which controls the transcription of the genes within the operon. The lac repressor protein functions as a negative regulator of the lac operon by binding to the operator region of the lac operon.

The operator region is situated upstream of the promoter region and consists of a specific DNA sequence to which the lac repressor protein binds. The binding of the lac repressor protein to the operator region blocks the RNA polymerase enzyme from binding to the promoter region, preventing the transcription of the genes within the lac operon.

When lactose is present in the cell, it binds to the lac repressor protein, causing a conformational change that weakens the interaction between the repressor and the operator region. This allows the RNA polymerase to bind to the promoter region and transcribe the genes within the operon.

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Answer:

c. Cell, chromosome, gene

Answer:

c. Cell , Chromosome, gene

Aquatic photoautotrophic bacteria are most likely to have the following specific structures/inclusions: thylakoids, carboxysomes, and gas vacuoles.

The cytoplasm of a cell contains polysomes. Because they don't have a nuclear membrane, bacteria can produce polysomes. Polysomes are groups of two or more ribosomes that function in succession to convert mRNA into proteins. The rate at which a new ribosome is loaded into the polysome can be influenced by nearby ribosomes. When ribosomes and elongation factors create the encoded polypeptide during the elongation phase, polysomes are created. A polysome is formed when many ribosomes travel along the coding region of mRNA. The fact that an mRNA molecule can be processed by several ribosomes accounts for the low level of mRNA abundance in cells.

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Answer:

A oxidation reactions are usually irreversible and form new product

and burn up