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Answer:

Light microscopes can only magnify up to 2000 times the original size. It is difficult to enhance the contrast between cells and their surroundings to see cell structure and movement with a light microscope.

Explanation:

k12

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Explanation:

After the macrophage ingests a pathogen, it creates an antigen on the surface of themselves, which signals the antigen to a corresponding helper T cell

Answer:

splits into two or more genetically distinct descendant populations

Explanation:

New species form by speciation, in which an ancestral population splits into two or more genetically distinct descendant populations. Speciation involves reproductive isolation of groups within the original population and accumulation of genetic differences between the two groups

Allegators are at top(5 stairs up)

Photoplanktons are 5 stairs down

Copepods receive

Small fishes recieve

large fishes recieve

Allegators recieve

Option B

Answer:123456Which statement best explains the main conflict and resolution in "How a Cat Played Robinson Crusoe"?

The cat is abandoned on an island. She adapts to the wilderness and survives until her family returns.

The family worries about the cat. They are overjoyed to discover that the cat is alive when they return.

The cat faces many adversaries, including rats and owls. However, she persists and is able to overcome each.

The cat learns how to hunt. She does not starve to death on the island.

Explanation:

Answer:

see below

Explanation:

amplification: MUTATION = a type of mutation

independent assortment: MENDELIAN = how different

genes independently separate from one another

when reproductive cells develop

nondisjunction: MUTATION = a type of chromosomal

mutation

translocation: MUTATION = another type of chromosomal

mutation

codominance: MENDELIAN = a relationship between two

genes where neither allele is recessive and both

are expressed

insertion: MUTATION = a type of mutation

radiation: MUTATION = causes mutations

virus: MUTATION = causes mutations as the virus

replicates

deletion: MUTATION = a type of mutation

law of dominance: MENDELIAN = one of Mendel's laws

of inheritance

sex linked traits: MENDELIAN = linkage is an exception

to Mendel's law of independent assortment

incomplete dominance: MENDELIAN = when none of the

factors of a gene is dominant and there is a blend,

such as a red flower crossed with a white flower

turns out pink

law of segregation: MENDELIAN = one of Mendel's laws

of inheritance

substitution: MUTATION = a type of mutation

Respuesta:

Las células están formadas por un núcleo y un citoplasma, encerradas por una pared delgada llamada membrana, que las separa de su entorno. Las células vegetales también tienen núcleo, citoplasma y membrana celular. La principal diferencia entre una célula vegetal y una animal es que las células vegetales tienen una vacuola, un cloroplasto y una pared celular.

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Question:

How to know that something is made up of a cell

Answer:

Cells are made up of a nucleus, and a cytoplasm, enclosed by a thin wall called a membrane, which separates it from its surroundings. Plant cells have a nucleus, cytoplasm, and a cell membrane too. The main difference between a plant and an animal cell is that plant cells have a vacuole, chloroplast, and a cell wall.

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Answer: Crossing over

Explanation: This is what a crossing over gene looks like it starts together and separates here is evidence below ⬇️

The illustration below represents the crossing over stage in meiotic cell division which is responsible for the genetic diversity in organisms. Thus, the correct option is B.

Meiosis is the type of cell division during which the chromosome number in the daughter cells become half of that present in the parent cells from which they are produced. From one parent cell four daughter cells are formed in meiosis.

Chromosomes forms the chromatids in the cell which form tetravalent with the non-sister chromatids of the homologous chromosomes. This stage is called crossing over where the genetic material present in each of the chromatids are exchanged which results into genetic diversity in a species. After the crossing over stage, the chromatids separate from each other and goes to different daughter cells.

Therefore, the correct option is B.

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In the area illustrated in the image attached, the biological process which is evident over time is: ecological succession.

Ecology can be defined as the scientific study of the relationship existing between living organisms such as plants and animals with respect to their physical and biological environment (abiotic factor).

In Ecology, ecological succession refers to a process through which the structure of an ecological (biological) community evolves or changes over time.

Generally, there are three (3) main types of ecological succession and these include:

From the ecological (biological) community illustrated in the image attached, we can deduce that there is an evolution (change) in the species of plants growing over time. This ranges from weeds during the first visit to pine and oak trees during the seventh visit.

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Answer:

Answer:

the names of elements from the following symbols :

Explanation:

Answer:

Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel. These primary producers form the base of an ecosystem and fuel the next trophic levels.

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Answer:

Empower women. Studies show that women with access to reproductive health services find it easier to break out of poverty, while those who work are more likely to use birth control. Promote family planning. Make education entertaining. Government incentives. One-child legislation.

Explanation:

kinetic energy is needed by the molecules in order to escape from the surface.

All the water molecules in the liquid are moving randomly due to the presence of some energy in it. Some of the molecules have more kinetic energy due to absorption of heat energy from the surrounding environment.

Due to high kinetic energy, these molecules move enough to escape the surface of the liquid. This is called boiling point. This makes the liquid become gas so we can conclude that kinetic energy is needed by the molecules in order to escape from the surface.

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Answer:

DNA stores the information for protein synthesis, and RNA carries out the instructions encoded in DNA.

DNA stores the information for protein synthesis, and RNA carries out the instructions encoded in DNA.

Cells create proteins through a process known as protein synthesis. Transcription and translation take place simultaneously. The conversion of genetic information from DNA to mRNA in the nucleus is known as transcription.

Initiation, elongation, and termination are its three stages.  Following processing, the mRNA transports the instructions to a ribosome in the cytoplasm.

The ribosome, which is made up of proteins and rRNA, is where translation happens. The mRNA's instructions are read during translation, and tRNA then transports the appropriate sequence of amino acids to the ribosome. rRNA then facilitates the formation of bonds between the amino acids, resulting in a polypeptide chain.

A polypeptide chain may be further processed to create the finished protein after it has been created.

Therefore, DNA stores the information for protein synthesis, and RNA carries out the instructions encoded in DNA.

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Answer:

Showers

Explanation:

I watch the news and weather

Answer:

Rich in antioxidants

Explanation:

High quality honey — which is minimally processed, unheated, and fresh — contains many important bioactive plant compounds and antioxidants, such as flavonoids and phenolic acids. ... Antioxidants help neutralize reactive oxygen species (ROS) in your body, which can build up in cells and cause damage.

Answer:

Cellular Respiration: a process able to extract a large amount of energy from food molecules.  In eukaryotic cells oxygen is a required component. This metabolic process is the main reason that animals have elaborate gas exchange organs such as lungs, gills and other systems. The goal of these systems is, of course, to get access to oxygen and to get rid of carbon dioxide.

Explanation:

Answer:

Kinase

Explanation:

Without answer choices, my best guess is kinase because kinase is a

plant-pathogenic fungi that can break down blood clots.

Epidemiology studies health-related states and occurrences (not simply diseases) in specific communities.Therefore, option (A) is correct.

The study and analysis of the distribution, patterns, and determinants of health and disease conditions in a given population is what epidemiology is all about. It is one of the most important aspects of public health, and it influences both policy decisions and evidence-based treatment by determining the factors that put people at risk for disease and setting goals for preventative medical care.

Descriptive, analytical, and experimental methods are the three primary approaches utilized in epidemiology. Descriptive epidemiology is the method that is utilized the most to investigate the occurrence of disease, despite the fact that all three can be employed to do so.

Therefore, option (A) is correct.

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Answer:

This is because mitochondria produce ATP during aerobic respiration and ATP is needed for muscle to contract. ... Muscles cells contain more mitochondria because they have to release large amount of energy quickly for movement.

Explanation:

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A dominant trait is the name of the trait that hides or masks another genetic trait.

Dominance is the phenomenon of one variant of a gene on a chromosome masking or overriding the effect of a different variant of the same gene on the other copy of the chromosome.

The dominant trait is the one that is the first to appear or express itself visibly in the organism. Example: In human beings, we observe V-shaped hairline.

Dominant individuals are often most influential in their social groups, affecting movement, opinion, and performance across species and contexts.

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Answer:

The first yellow fever outbreaks in the United States occurred in late 1690s. Nearly 100 years later, in the late summer of 1793, refugees from a yellow fever epidemic in the Caribbean fled to Philadelphia. Within weeks, people throughout the city were experiencing symptoms.

Answer:

I think water is the substances

Answer:

a) true

b) true

c) false

d) true

e) false

140 h

Explanation:

speed =distance/ time

so rearrange the formula

time= distance/ speed

time = 42/0.3

time = 140 h