Which part of the cell theory best explains why unicellular organisms can perform all life’s basic functions even though they are made up of one cell

ANSWER

sugar cane, and sugar beets

Explanation:

sugar . It can be extracted from the above plants(sugarcane,sugar beets).it can as well as be obtained in a labatory. But labatory sugar isn't fit for consumption!

Answer:

Sugar cane and sugar beets

Answer:

O on the right side because it is a product

Explanation:

Answer:

Your answer is B!

Explanation:

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It would take approximately 22.7 million years for one full base pair mutation to occur.

What is mutation ?

To calculate the estimated time period it takes for 1 base pair to mutate, we need to use the mutation rate of 0.76 base pairs every 17.1 million years.

The rate of mutation per year is calculated as follows:

0.76 base pairs / 17.1 million years = 0.044 base pairs per million years

To calculate how long it will take for one full base pair mutation to occur, we need to divide 1 by the mutation rate per million years:

1 base pair / 0.044 base pairs per million years = 22.7 million years per full base pair mutation

Therefore, it would take approximately 22.7 million years for one full base pair mutation to occur.

To construct the mathematical equation, we can use the formula:

Time for full mutation = 1 / (mutation rate per unit time)

Where the mutation rate per unit time is the rate of mutation per million years (0.044 base pairs per million years).

Plugging in the values, we get:

Time for full mutation = 1 / 0.044 = 22.7 million years per full base pair mutation.

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Answer:

The answer isn't on there, but humans have estimated 20,000-30,000 genes.

The closest answer in the selection is "Twice as many as A"

Explanation:

The HGP has revealed that there are probably about 20,500 human genes. This ultimate product of the HGP has given the world a resource of detailed information about the structure, organization and function of the complete set of human genes.

Each chromosome contains hundreds to thousands of genes, which carry the instructions for making proteins. Each of the estimated 30,000 genes in the human genome makes an average of three proteins.

According to the latest estimate, humans only have twice as many genes as worms or flies. On average, humans have 20,000–30,000 genes.

Genome is defined as the entirety of a cell's DNA instructions. The genome's main job is to preserve, express, and store the genetic material that gives rise to a cell's structural and functional machinery. The genome is a significant part of the cell's structural makeup, nevertheless. It gives the organism all the knowledge it needs to function.

Aiming to better our comprehension of the genetic contribution to human health and disease, the 1000 Genomes Project is an international research cooperative that was established in 2007. Its goal is to sequence the genomes of at least 1,000 volunteers from various communities around the world. The human genome's gene index analysis places the number of genes at around 120,000.

Thus, according to the latest estimate, humans only have twice as many genes as worms or flies. On average, humans have 20,000–30,000 genes.

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Cοmparing Taeniοpygia guttata sοng variability tο that οf any οther singing bird.

Making sure identity οf experiment οf hοuse finch :  

a. Hypοthesis:

There is nο significant difference in the singing οf the yοung bird (learner) and the fοster parent (trainer).

b. Variables that are independent and dependent:

pitch, frequency mοdulatiοn, variance entrοpy, pitch gοοdness, and mοdulatiοn that can be heard . The dependent variable is cοnsidered when testing within a pοpulatiοn. An independent variable is cοnsidered during testing with twο distinct species.

c. Devices:

As a cοntrοl, the sοng recοrdings οf the wild birds Taeniοpygia guttata and Hοuse finches are used.

d. Cοnstants: Once tamed, the trainer birds never change.

e. The experiment will use twο dοmestic trainer birds frοm each species. Hοuse finches, first, and Taeniοpygia gutta, secοnd.

After that, the yοung οf each species were given tο a trainer οr fοster parent frοm anοther species.

f. Result:

Typically, the οutcοme was in οppοsitiοn tο the theοry. The baby bird's sοng is identical tο that οf its οwn species, even if it was taught by a fοster parent οf a different species.

g. Mοtives:

The pοpulatiοn itself reveals sοng variatiοn between species. We can deduce that vοcal cοmmunicatiοn behaviοr in sοngbirds was learned thrοugh genetics. Aural experience may influence οne's ability tο recοgnize vοices. This demοnstrates the falsity οf the theοry.

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reflex is an involuntary or automatic, action that your body does in response to something — without you even having to think about it

reflex action often involves a very simple nervous pathway called a reflex arc. A reflex arc starts off with receptors being excited. They then send signals along a sensory neuron to your spinal cord, where the signals are passed on to a motor neuron

Answer:

adenine, cytosine, guanine or thymine

Explanation:

Nucleotides are made up of 3 parts. The first is a distinct nitrogenous base, which is adenine, cytosine, guanine or thymine. In RNA, thymine is replaced by uracil. These nitrogenous bases are either purines or pyrimidines.

Answer: create proteins by bonding together amino acids.

Explanation:

Translation can be defined as the process in which the messenger RNA is decoded in the ribosome that is outside the nucleus. This is done to produce the specific chain of amino acid to produce polypeptide chain. The polypeptide chain get folded to produce protein this protein is responsible for performing functions in the cell. The genetic code determines the relation in between the amino acid sequence and base pairs in the gene.

Blue-green algae are photosynthetic prokaryotes, while fungi are eukaryotes that obtain nutrition through absorption.

Blue-green algae and fungi are both organisms, but they belong to different domains and have distinct characteristics. Blue-green algae, also known as cyanobacteria, are classified under the domain Bacteria, while fungi belong to the domain Eukarya.

Blue-green algae are prokaryotic organisms, lacking a true nucleus and membrane-bound organelles. They obtain energy through photosynthesis and are capable of converting sunlight into chemical energy. They typically inhabit aquatic environments, such as lakes, ponds, and oceans, and some species can fix atmospheric nitrogen.

On the other hand, fungi are eukaryotic organisms with a distinct nucleus and membrane-bound organelles. They obtain nutrition by absorbing organic matter from their surroundings. Fungi play crucial roles in decomposition and nutrient cycling in ecosystems. They can be found in various habitats, including soil, plants, and even as symbiotic partners with other organisms, such as in mycorrhizal associations.

In summary, the primary differences between blue-green algae and fungi lie in their cellular structure, mode of nutrition, and classification. While blue-green algae are photosynthetic prokaryotes, fungi are eukaryotes that obtain nutrition through absorption. Understanding these distinctions helps in appreciating the diversity and ecological significance of these two groups of organisms.

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Answer: The A, B, and Rh antigens are located on the surface of red blood cells.

Explanation:

Answer:

1. Plants use photosynthesis.

2. Photosynthesis uses water, carbon dioxide, and sunlight to make sugar.

3. Photosynthesis makes oxygen for animals to breathe.

The correct labeling to the proper location is given below:

Natural science's field of geology examines the features or rocks that make up Earth and other astronomical objects, as well as how they change over time.

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From the options, the true statements about glycocalyx are : ( 1 ) and ( 3 )

Glycocalyx is a layer of macromolecules  attached to the cell membrane of cells. they perform several functions like protecting the cell from the entrance of pathogens and also providing a medium for cell to cell interaction.

Glycocalyx are found in cells of living organisms, and they are made up of glycosaminoglycans, proteoglycans and glycoproteins as well. hence they are not comprised mostly of proteins.

Hence we can conclude that the true statements about glycocalyx are : All animal cell have a glycocalyx and the glycocalyx helps one cell adhere to another

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Galactic cannibalism is referred when one galaxy collides with another.

what is galactic cannibalism?

Galactic cannibalism is the process by which a big galaxy combines with a companion through tidal gravitational interactions, creating a larger, frequently irregular galaxy.

In a new study, researchers channelled their inner Indiana Jones to demonstrate that the Milky Way, our home galaxy, once gobbled up five smaller galaxies.

That will help scientists comprehend how the Milky Way and Andromeda will engage with other, tiny, nearby galaxies and how, eventually, they will merge and join after billions of years in our portion of the cosmos.

Therefore, Option A is correct.

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The differences in cytokinesis between plant and animal cells are driven by the contrasting cellular structures and the need to ensure proper division and maintenance of cell integrity in each cell type.

a) The main reason cytokinesis in plant cells is different from cytokinesis in animal cells is due to the structural differences between their cell walls. Plant cells have rigid cell walls made of cellulose, while animal cells lack a cell wall and instead have a flexible plasma membrane. This structural distinction necessitates different mechanisms for cytokinesis in these two cell types.

b) Processes in the two different cell types

In animal cells, cytokinesis occurs through a process called cleavage furrowing. During late stages of mitosis, a contractile ring composed of actin and myosin filaments forms around the equator of the cell. The contractile ring contracts, causing the plasma membrane to be pulled inward, forming a cleavage furrow. The furrow deepens until it pinches the cell into two daughter cells.

In plant cells, cytokinesis involves the formation of a cell plate. During late stages of mitosis, vesicles containing cell wall materials accumulate at the equator of the cell. These vesicles fuse together, forming a cell plate that extends across the cell. The cell plate gradually develops into a new cell wall that divides the parent cell into two daughter cells. The new cell wall is reinforced with additional layers of cellulose and other components, eventually becoming the primary cell wall of each daughter cell.

The process of cytokinesis in plant cells is more complex than in animal cells due to the requirement of building a new cell wall. This process allows plant cells to maintain their structural integrity and provide support for the entire plant structure.

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Explanation:

The first organism is a Filter Feeder, which filters water to consume phytoplankton (microalgae).

The second organism is a Scraper/Grazer, which consumes leaves and algae and fungi on the leaf surface.

The third organism is a Shredder, which consumes algae on rocks.

The fourth organism is an Invertebrate Predator, which preys on small invertebrates.

The fifth organism is a Vertebrate Predator, which preys on vertebrates and invertebrates.

Answer:

true

Explanation:

By experimentating your testing a theory or hypothesis based on certain criteria to see if your theory is correct. By experimentating you record data to back up your claims.

The theory or hypothesis is just your guess of what may or may not happen based on the criteria your wanting to prove.

With a mix of ice and water present, the surface water depends upon various factors, such as the amount of ice and water present, the amount of heat transfer that occurs, etc.

The temperature of the surface water is not determined based on the temperature of the water, but the temperature can be determined based on the initial temperatures of the ice and water and the amount of heat transfer that occurs, etc. So, If the amount of ice is large and there is a significant amount of heat transfer, the temperature of the surface water may be closer to 0 °C.

Hence, with a mix of ice and water present, the surface water depends upon various factors, such as the amount of ice and water present, the amount of heat transfer that occurs, etc.

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Trophic level is the level or position that a organisms occupies in a food chain. Therefore, the trophic level refers to each level represented within a food chain or web.

Answer:

the answer is adaptation

Sight, hearing, smell, taste, and touch are the five senses that make up the human body.

Humans use their sensory organs to experience their five senses. These sensory organs include the tongue and nose for taste, the eyes for sight, the ears for sound, the nose for scent, and the skin for touch. Each sense serves to aid human perception of the outside world so that we can decide what is happening and what is required at the time.

There are certain persons who are less able than others to detect their surroundings. Despite having a condition like blindness or deafness, people can still have rich, fulfilling lives. According to research, persons who really are blind or optically challenged have heightened sensitivities in other areas. There are several sign languages available for non-aural communication.

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Answer:

Advection by ocean currents modifies phytoplankton size structure at small scales (1–10 cm) by aggregating cells in different regions of the flow depending on their size. This effect is caused by the inertia of the cells relative to the displaced fluid

Answer:

hydroelectric I think

Answer:  III.Cholera only that one

Explanation:

Foodborne diseases are caused by contamination of food and occur at any stage of the food production, delivery and consumption chain. They can result from several forms of environmental contamination including pollution in water, soil or air, as well as unsafe food storage and processing.

Cholera, among the diseases listed, is the disease that can be passed to another person through food, soil, or water. Lyme disease is transmitted via ticks bites and Malaria through mosquito bites.

Of the options given: I. Lyme disease, I. Malaria, and III. Cholera, the disease that can be passed to another person through food, soil, or water is cholera, or option III. Lyme disease is typically transmitted through the bites of infected ticks and Malaria is mainly spread by mosquitoes. However, cholera is a bacterial infection that can spread through contaminated food or water.

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The effect of the poison is to make the ligase enzyme stops working.

We can arrive at this answer because:

We can conclude that the poison acted at this point in DNA replication, preventing the ligase from joining the two strands and causing the new strand to fail to adhere and was lost during the process.

The question above is incomplete, but its full version can be seen in the figure below.

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The alternative that best describes the process in the image is called meiosis 2 (C), when daughter cells are divided into new daughter cells with half the number of chromosomes.