Answer:
Below
Explanation:
The routes that lead inward from the cell surface to lysosomes start with the process of endocytosis, by which cells take up macromolecules, particulate substances, and, in specialized cases, even other cells. In this process, the material to be ingested is progressively enclosed by a small portion of the plasma membrane, which first invaginates and then pinches off to form an endocytic vesicle containing the ingested substance or particle. Two main types of endocytosis are distinguished on the basis of the size of the endocytic vesicles formed. One type is called phagocytosis (“cellular eating”), which involves the ingestion of large particles, such as microorganisms or dead cells via large vesicles called phagosomes (generally >250 nm in diameter). The other type is pinocytosis (“cellular drinking”), which involves the ingestion of fluid and solutes via small pinocytic vesicles (about 100 nm in diameter). Most eucaryotic cells are continually ingesting fluid and solutes by pinocytosis; large particles are most efficiently ingested by specialized phagocytic cells.
What observations made by Galileo supported Copernicus’ theory about the solar system?
He observed the phases of Venus
Galileo knew about and had accepted Copernicus's heliocentric (Sun-centered) theory. It was Galileo's observations of Venus that proved the theory. Using his telescope, Galileo found that Venus went through phases, just like our Moon.
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is this correct ? T-T
Answer:
Not exactly. Here are my corrections:
Somatic cells undergo mitosisGerm cells undergo meiosisExplanation:
The rest of the table is correct! Great job
What is a chromosome like in a city?
helppppppp I dont take links
Answer: Warm air rises and causes high air pressure. Cold air stays closer to earth and causes low air pressure which is known as low pressure. When there is a low-pressure system in the area- In contrast, a high-pressure system allows for rain clouds "I believe since water vapor is formed when water is heated and it can form when something heats".
The rest are taken, and I can't answer them because of the shortage and they dont make sense :(
Explanation: I'm sorry if im wrong, I'm just trying to be helpful.
an organism with two of the same alleles for a particular trait is said to be?
Answer:
An Organism with two similar alleles is a Hom ozygous organism.
how do prokoryotes benefit animals
Answer:
They produce or process nutrients in the digestive tracts of humans and other animals.
Explanation:
Which of the following best explains why deforestation increases the risk of floods in an area? a. Tree leaves catch and retain rain water. B. Trees block the free flow of water. C. Deforestation increases precipitation. D. Tree roots improve soil water retention. Please select the best answer from the choices provided A B C D.
Deforestation increases the risk of floods in an area tree roots improve soil water retention.
Why does deforestation result in higher flood risk?When deforestation takes place, the top layer of soil can be dislodged – this is also known as soil erosion.
When the top layer of soil is unstable, it is unable to retain any of the water that falls on it, resulting in increased surface run-off, which, in turn, increases the risk of flooding.
Thus, option "D" is correct.
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Choose all characteristics of prostaglandins.
a) They are usually present in large amounts.
b) They are not stored in cells and are synthesized just before they are released.
c) They are rapidly inactivated after their release.
d) They travel in the bloodstream to their target cells.
e) They are paracrine substances.
Prostaglandins are not stored in cells and are synthesized just before they are released, rapidly inactivated after their release and they are paracrine substances (Options b, c and e).
Whta are prostaglandins?Prostaglandins are chemical substances that act as hormones by affecting surrounding cells in a tissue.
These substances (prostaglandins) are not secreted by specific glandular organs as other hormones.
Prostaglandins are substances that have fundamental functions for the normal functioning of the body.
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Explain how most of the electricity consumed in the US is produced.
Will report answers with links
Please use your own words
Answer:
Most electricity is generated with steam turbines using fossil fuels, nuclear, biomass, geothermal, and solar thermal energy, etc.
Explanation:
Which best describes how human circulatory and respiratory systems interact
Answer:
When a person inhales, the lungs expand and fill with fresh air. The respiratory system interacts with the circulatory system to transfer oxygen from fresh air to red blood cells in the lung arteries while also releasing carbon dioxide from the blood into the air in the lungs. When a person exhales, this used air leaves the body.
Explanation:
what causes species to die?
Answer:
Environmental causes such as habitat fragmentation, climate change, natural disasters, human overexploitation, and pollution, or evolutionary changes in its members (genetic inbreeding, poor reproduction, decline in population numbers).
Fitness is how many offspring they have. The example used in the video
is white frogs are more fit than dark frogs.
A. True
B. False
Fitness is how many kids they have. The example used in the video is white frogs are fitter than dark frogs. it's false.
White frogs are fitter than dark frogsThe color of the shoe is not a predisposing factor in altering the speed exerted by its user, however factors in a shoe that can change the speed of the runner are damping, comfort and springs.
With this information, we can conclude that Fitness is how many kids they have. The example used in the video is white frogs are fitter than dark frogs. it's false.
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Photosynthesis ceases when leaves wilt, mainly because:.
Photosynthesis ceases when leaves wilt, mainly because stomata close, preventing CO2 from entering the leaf.
What is photosynthesis?Photosynthesis is a series of chemical reactions by which plants can produce simple carbohydrates in presence of light.
Photosynthesis requires carbon dioxide and light to produce glucose and release oxygen.
In plants, the interchange of carbon dioxide and oxygen during photosynthesis occurs in specialized structures called stomata.
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Hwo many chromatids does each chromosome have in anaphase of meiosis i
Answer:
two sister chromatids
Explanation:
There are two sister chromatids that each chromosome have in the Anaphase of meiosis I.
What do you mean by Chromatids?Chromatids may be defined as one of the two similar halves of a chromosome that has been duplicated in preparation for cell division.
During Meiosis I, each of the daughter cells is haploid (n) in nature and consists of 23 chromosomes. Each chromosome comprises of 2 sister chromatids.
Therefore, there are two sister chromatids that each chromosome have in the Anaphase of meiosis I.
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What characteristic of the genetic code points to a common ancestry for all organisms?
Answer:
The code contains 64 codons. The genetic code is almost universal.All living organisms store their genetic informations using the same molecules which are DNA and RNA
Explanation:
In a bacterium that possesses antibiotic resistance and the potential to persist through very adverse conditions, such as freezing, drying, or high temperatures, dna should be located within, or be part of, which structures?.
In a bacteria that possesses antibiotic resistance and the potential to persist through very adverse conditions, the DNA should be located in the plasmid.
What is a plasmid?Plasmid is a small, extrachromosomal DNA molecule within a cell that is independent of the chromosomal DNA and can replicate on its own.
The plasmid usually contains extra genes that codes for resistance and other specific traits.
Therefore, it can be said that in a bacteria that possesses antibiotic resistance and the potential to persist through very adverse conditions, the DNA should be located in the plasmid.
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If, while examining a human karyotype, it is observed that there are 22 paired chromosomes and two chromosomes that are not the same size, this would most likely be due to.
If, while examining a human karyotype, it is observed that there are 22 paired chromosomes and two chromosomes that are not the same size, this would most likely be due to mutation.
What is mutation?Mutation is any change in the nucleotide or chromosomal sequence of a genome.
There are different types of mutation and they include;
Deletion mutationTranslocation mutationInsertion mutationAccording to this question, a human karyotype was observed to have 22 paired chromosomes and two chromosomes that are not the same size.
This observation is likely caused by a mutation that caused the pairing of unequal sized chromosomes.
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When you ice skate, the heat generated by the blade of the skate rubbing against the ice causes some of the ice right under the blade to melt. This water acts like a lubricant under the skate that allows the skate to slide.What causes the ice to melt under the blade?
A) weight
B) friction
C) magnetic energy
D) electromagnetic energy
Answer:
Friction
Explanation:
When an object comes into contact with another object, friction is created, some objects have lower or higher friction when they meet each other, tires and the road for instance. Wheels are designed to lower friction, just as an ice skate is made to glide across the ice.
What is the difference between Junior planets and Terrestia planets? Which group is closest to the sun?
Answer:
Terrestrial planets include: Mercury, Venus, Earth, and Mars (in order from closest to the sun to farthest from the sun)
Jovian planets include: Jupiter, Saturn, Uranus, and Neptune (in order from closest to the sun to farthest from the sun)
Explanation:
Terrestrial planets have solid surfaces (usually rocky) with a dense metallic core, while Jovian planets are gas giants, meaning that they have no solid surface. Jovian Planets have a large gaseous composition and a small, molten rock core.
Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
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what are the three types of fermantation
Answer:
Lactic acid fermentation.
Yeast strains and bacteria convert starches or sugars into lactic acid, requiring no heat in preparation.
Ethanol fermentation/alcohol fermentation.
Acetic acid fermentation.
Explanation:
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please answer this correctly I will brainlist u
as a student , what can you do to protect the soil and water from being polluted ?
Plants help the environment by supplying ________.
Answer:
oxygen
Explanation:
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A beetle species that lives deep inside trees invades a forest where a population of woodpeckers lives. Only woodpeckers with longer beaks are able to reach these beetles and feed on them. The shorter-beaked woodpeckers are at a disadvantage over the longer-beaked ones.
Which type of pattern of natural selection of woodpeckers is most likely to occur in this scenario?
Answer:
Mountain Pine Beetle.
They only attack in Douglas Fir Trees.
A small segment of DNA has the following nitrogen base sequence:
DNA=TAC CCT ACC ATT
Answer:
RNA=AUG GGA UGG UAA
- only assuming because you didn't finish the question
Explanation:
A-->U, T-->A, C-->G, G-->C
How the circulatory and respiratory systems work together to deliver oxygen to the body’s tissues
Answer:
The circulatory system circulates the blood to the whole body.
The respiratory system brings oxygen to the blood, and the circulatory system circulates the oxygenated blood to the cells.
Explanation:
Who developed a system for naming and classifying organisms that is still used today?.
Answer: Carolus Linnaeus
Explanation:
Carlos Linnaeus created the binomial nomenclature system which gives scientific names to animals. Their genus and species is what classifies organisms.
Linnaeus also created the taxonomic system, which classifies organisms within different groups and subsets.
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The presence of calcium in the sarcoplasm is directly responsible for __________. Multiple choice 1 decreasing the length of the myosin myofilament energizing the myosin heads degrading the actin binding sites on the myosin the movement of actin towards the M line exposing the binding sites on actin 2. Rigor mortis occurs after death because __________. Multiple choice 2 actin binding sites become permanently blocked so that crossbridge formation cannot occur no calcium is present to bind to the regulatory protein tropomyosin detachment of crossbridges does not occur due to the lack of ATP the power stroke becomes stronger after death the muscle fibers release sodium into the extracellular fluid
This is defined as the the cytoplasm of striated muscle cells in living organisms .When calcium is present, the binding sites on actin are exposed.
Rigor mortis occurs after death and involves stiffening of the muscle tissue because detachment of cross bridges does not occur due to the lack of ATP.
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Match each event of mitosis to the stage in which it occurs
Explanation:
their is an active cell division
The structural and functional units of the kidney are called
Answer:
The structural and functional units of the kidney are called nephron.
Fun Facts about Nephron:
Nephron is the structural and functional unit of the kidney.
Its primary purpose is to maintain the concentration of water and soluble chemicals such as sodium salts in the blood by filtering it, reabsorbing what is needed, and excreting the excess as urine.
The glomerulus and renal (kidney) tubule are the two primary structures in each nephron. Each human kidney contains around 1,000,000 nephrons.
The structural and functional units of the kidney are called the nephrons. Each human kidney contains 8-10 lakhs nephrons.
What do you mean by Kidney?A Kidney may be defined as a pair of bean-shaped organs that eliminate waste and extra water from the blood and help keep chemicals balanced in the body.
Each nephron contains two structures i.e. Glomerulus and Tubules. The Glomerulus is a tough capillary through which a large amount of fluid is filtered from the blood.
Tubules are the other structure of the nephron in which the filtered fluid is converted into the urine.
Therefore, the structural and functional units of the kidney are called nephrons.
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The bulk of each tooth consists of a mineralized matrix similar to that of bone called:.