Answer:Cells of the digestive system are vastly different in structure and function from cells of the skeletal system. Cells of the body depend on each other to keep the body functioning as a unit.
Cells of the digestive system are different in nature and function from cells of the skeletal system. Cells are depend on each other to keep the body as a unit.
What is cell theory?Cell theory is a scientific theory that's help to learn how living organisms are made up of cells, that's they are the basic structure unit of all organisms, and that all cells from pre-existing cells.
Types of cell:
Prokaryotic Cell
Prokaryotic cells are single-celled microorganisms known to be earliest on earth.
Eukaryotic cell
Eukaryotic cells have a nucleus enclosed within the nuclear membrane and form large and complex organism.
The main difference between unicellular organisms and multicellular organisms is that unicellular organism is unspecialized it means all the body function depends upon only on the single cell and in multicellular organism there is specific cells for specific purposes.
Multicellular and unicellular organisms are perform almost all the life running activities and processes such as respiration, reproduction digestion, breathing, and metabolism.
In unicellular organism division of labour is at the organalle level on the other hand in multicellular the division of labour at cellular, tissue, organs and organ system level.
Unicellular organism has simple body organization and multicellular organism have complex body organism.
Therefore, Cells of the digestive system are different in nature and function from cells of the skeletal system. Cells are depend on each other to keep the body as a unit.
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What are five similarities and five differences between sharks and bony fishes?
[tex]\Huge\text{Pisces or Fishes}[/tex]
Pisces or Class Fish is the largest group of chordates which includes 25000 species of fishes. Study of fishes is called Ichthyology.
Fish is an aquatic gill breathing gnathostomates whose stramlined body is provided with paired fins and covered over dermal scales.
Super Class pisces is divided into two classes:
Chondrichthyes Osteichthyes _____________________________________
[tex]\Huge\textbf{Chondrichthyes}[/tex]
Chondrichthyes are Cartilagineous fishes. This class is also called Elasmobronchi. It has exclusively marine fishes with endoskeleton made of cartilage. Their skin has tiny shark enamel coated denticles called Placoid Scales. They are heterocercal and Mouth is present at ventral to tail fins. They have exposed 5 gills on each sides.
Example Shark, Ray fishes, Dog dish etc
_____________________________________[tex]\Huge\textbf{Osteichthyes}[/tex]
These fishes are Bony Fishes. This group is also called Teleostomi, They are found in both marine and fresh water. Their endoskeleton is made up of bones. Their skin has thin bony plates called cycloid or ctenoid. Their gills are covered with outer skin called operculum. Tain fin is homocercal and mouth is present at anterior tip.
Examples Sea Horse, Gold fish, Eel etc
_____________________________________[tex]\huge\text{Similarities}[/tex]They have gill to breath Streamlined body to move in fast moving water All fishes are cold-blooded. Fins are present for locomotion They have great sense of smell They have air bladder to be bouncy[tex]\Huge\text{Dissimilarities}[/tex]
Chondrichthyes are exclusively marine fishes while Osteichthyes are both fresh water and marine water living.The skeleton of Chondrichthyes is made of cartilage while the skeleton of Osteichthyes is made of bones.The gills of Chondrichthyes is NOT covered with operculum while the gills of Osteichthyes are covered with outer skin operculum. The skin of Chondrichthyes has tiny shark enamel coated denticles called Placoid Scales while the skin of Osteichthyes has thin bony plates called cycloid or ctenoid.The tail of Chondrichthyes is Heterocercal and mouth is ventral to the tail fins while the tail of Osteichthyes is homocercal and the mouth is present at anterior tip._____________________________________Best Regards,'Borz'Which macromolecule is needed for lactic acid formation and alcohol fermentation to proceed with their processes?
IN YOUR OWN WORDS
DONT COPY FROM THE INTERNET
Answer:
sugar
Explanation:
sugar is the required macromolecule
In the lactic acid formation, pyruvate changes to the lactose which is the anaerobic form of respiration. Pyruvate changes to alcohol and carbon dioxide.
What is the main ingredient for lactic acid fermentation ?It is the sugar molecule that is needed for the lactic acid fermentation.
Both the types of the fermentation requires two primary components which are a sugar supply and bacterial culture where alcohol fermentation uses the forms of the yeast where the lactic acid fermentation usually depends on the lactic acid bacteria.
Lactic acid fermentation takes place in some of the strains of the bacteria and in the even skeletal muscle and even produces lactic acid . Alcoholic fermentation takes place in the yeast and just produces ethanol with carbon dioxide.
Lactic acid bacteria is a type of gram-+ve bacteria which use carbohydrates as only and main carbon source. Later on lactic acid bacteria is generally cocci or rods usually have the strong tolerance to low pH.
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How does the decrease in biodiversity impact an ecosystem?
Answer:
because the more alike species are The more they have to adapt to try and compete with one another So the more different a species is the less they have to compete
Answer:
the decrease in biodiversity may cause a significant reduction in the productivity of the ecosystem. The loss of biodiversity means genetic variations are lost and the overall genetic pool reduces.
Explanation:
Egde 2022
How do animal behaviors lead to successful reproduction and growth of their young?
Answer: Their actions help the young survive in the wild
Explanation: Examples of behaviors that affect the probability of animal reproduction could include nest building to protect young from cold, herding of animals to protect young from predators, and vocalization of animals and colorful plumage to attract mates for breeding.r
Which hypothesis helps to explain why all organisms share the same genetic code?
Where does FGF5 occur in the cell?
Answer: FGF5 is produced in the outer root sheath of the hair follicle as well as perifollicular macrophages, with maximum expression occurring in the late anagen phase of the hair cycle. The receptor for FGF5, FGFR1, is largely expressed in the dermal papilla cells of the hair follicle.
Explanation:
How one variable affects another happens in:
A. surveys.
B. case studies.
C. observations.
D. experiments.
The one variable affects another happens in experiments. Thus, option D is correct.
What is experiment?An experiment, or experimental research, is a research method in which the researcher manipulates or changes the value of one variable, (the independent variable) and measures the variable that is considered the dependent variable, in order to find how the change affects it.
The other three posible answers, observational research, survey and case study are also research methods, but the researcher can't manipulate or control any of the variables, these methods are used only to measure a specific variable.
Therefore, The one variable affects another happens in experiments. Thus, option D is correct.
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What provides evidence of an increase in animal species at the same time that atmospheric oxygen concentrations increased?
ts fossil records but i need an explination
Answer:
Fossil records provide evidence of an increase in animal species at the same time that atmospheric oxygen levels increased.
Explanation:
A huge diversification among animal species occurred with the increase in the levels of atmospheric oxygen. The reason why the number of species increased drastically was that a whole new world opened up, the land. The land was open for exploitation and taking over, with every single niche free, so animals diversified and filled in pretty much all of the niches. The fossil records give us clues when this happened, as from only microorganisms there is a sharp rise in complex animals, coinciding with the increase of oxygen levels.
If it wasn't for the increase of atmospheric oxygen though this wouldn't have been possible. The oxygen in the atmosphere enabled animals to breathe on land. Also, it cooled off the global temperatures which were too high before the increase of atmospheric oxygen, making them suitable for life. And last but not least, the atmospheric oxygen resulted in the formation of the ozone layer, a layer that started to act as protection from the UV rays.
Answer:fossil record
Explanation:
The process of _______ involves the removal of dissolved minerals from water so it can be used for drinking. a. desalination b. water reclamation c. greywater use d. irrigation
Answer:
a.
desalination
Explanation:
a.
desalination
The process of desalination involves the removal of dissolved minerals from water so it can be used for drinking.
What is the desalination process?Desalination is the process by which mineral salts dissolved in water are removed. Currently, this process, applied to seawater, is one of the most used to obtain fresh water for human or agricultural consumption.
With this information, we can conclude that The process of desalination involves the removal of dissolved minerals from water so it can be used for drinking.
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Look at the picture below. What type of weathering do you think caused this rock formation?
Answer:
Like a gate or a sleeping man on seeing from opposite side.
8. In chickens, brown feathers are dominant over red feathers. Suppose we cross two heterozygous chickens.
Draw the punnett square and list the genotypes and phenotypes of the offspring.
I
Genotypes of offspring:
Phenotypes of offspring:
Plz help me
Answer:
Crossing two chickens heterozygous for the trait feather color, when brown feathers are dominant over red feathers, will produce offspring with brown and red feathers in a brown:red phenotypic ratio of 3:1.
Explanation:
Knowing that in chickens brown feathers are the expression of the dominant allele (B) and the recessive allele is red (b), crossing two heterozygous individuals (Bb) will result in offspring that are likely to have brown or red feathers.
The cross can be represented by a Punnett Square:
Bb X Bb cross
alleles B b
B BB Bb
b Bb bb
Where the result is:
Genotypes:
Bb, 50% BB, 25% bb, 25%Phenotypes:
Brown feathers, 75% Red feathers, 25%.In this case, the probability of having brown or red feathers is 3:1.
Why do you think Elodea
has so many chloroplasts in each cell?
I WILL GIVE YOU BRAINLYEST!!!
Answer:
It depends It is important to understand the fact that the number of chloroplasts in an elodea cell can vary. The main idea is that there are not a fixed number of chloroplasts in elodea cell. This signifies that there is not a specific amount in each cell.
I Hope It Helps.
what describes absorption
Answer:
Absorption is the transfer of the energy of a wave to matter as the wave passes through it.
Explanation:
3. Assertion (A):- Plasma membrane is a selectively permeable membrane.
Reason(R):- Plasma membrane allows entry and exit of substances from cell through the process of diffusion.
a. Both A and Rare true and Ris correct explanation of the A
b. Both A and Rare true but Ris not the correct explanation of the A
C. A is true but Ris false
d. Both A and Rare false
4. Plasmodium is an example of Bacteria
Answer:
the answer is option B. both A and R are true but R is not the correct explanation of A
HEEELPPPP MEEEE ILL MARKKK YOOUUU BRRAAINNNLYYY
Mendel studied seven traits in pea plants. One of the monohybrid crosses he made was between plants with round seeds and plants with wrinkled seeds.
What was a conclusion Mendel drew from the F1 generation of this cross?
Explanation:
Traits are inherited in discrete units, and are not the results of "blending." ... traits can be dominant or recessive, and the recessive traits were obscured by the dominant ones in the F1.
Answer:
The dominant factor, or allele, is for round seeds.
Explanation:
The factors (or alleles) don't disappear when two species are crossed, so "the factors or alleles for round seeds disappear completely from the plants" and "the factors or alleles for wrinkled seeds disappear completely from the plants" are both incorrect. From the drawing, we can see that the F1 generation is a round seed, meaning the dominant factor is for round seeds. Hope this helps!
Which of the following normally leads to the production of functional messenger RNA in eukaryotic cells?
Answer: The removal of portions of RNA known as intervening sequences (introns)
Explanation:
The removal of portions of RNA is known as intervening sequences (introns).
What is the process of splicing?In order to enable the translation of mRNA into a protein, RNA splicing puts together the protein-coding regions (exons) and cuts out the intervening, non-coding segments of genes (introns) from pre-mRNA.
Intron sequences are cut out and exon sequences are joined during the splicing process.
As RNA matures, introns are cut out via RNA splicing, which means that they are not expressed in the resulting messenger RNA (mRNA) product.
In contrast, exons continue to be chemically bound to one another to produce mature mRNA. Exons are expressed sequences, whereas introns can be thought of as intervening sequences.
Therefore, the removal of portions of RNA is known as intervening sequences (introns).
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What are the following in order: traits, protein, gene, chromosome, cell
Answer:
From smallest to largest, the order is nitrogenous base, nucleotide, codon, gene, chromosome, nucleus, and cell.
A building company purchases a large plot of forest-like land with the intention of building a new residential neighborhood. This forest-like area is home to 2 types of squirrels: tree squirrels and ground squirrels. Tree squirrels have bushy tails, longer legs, sharp claws for climbing, and large ears. Ground squirrels have shorter legs, less sharp claws, and less bushy fur. In order to build the houses, the company knocks down 80% of the trees. Which squirrel population was better fit for the change of the environment
a Ground squirrels because they did not require trees for survival.
b Tree squirrels because they require trees for survival.
c Ground squirrels because they can use their sharp claws to climb trees.
d Tree squirrels because they can use their sharp claws to burrow into the ground.
1) Eubacteria cells lack a nucleus, and are therefore________
Viewing eubacteria requires a microscope,because they all single celled organisms.another word for single celled is_______
Answer:
The correct answer is - prokaryotic and unicellular.
Explanation:
Eubacteria is known as the true bacteria and belongs to the prokaryotic type of cells which is characterized by no double-membrane organelles or the nucleus. All the genetic material is present in the cytoplasm itself.
These bacteria are single-cell microscopic organisms as they are very minute to see by the naked eyes and required a microscope to study. Another word for the single-cell organisms is unicellular.
A newspaper article reported that a fossil was found that was 200,000 years old according to generally accepted radioactive
determination because the fossil was found closer to the Earth's surface than were previously discovered fossils of the same
Older rock layers commonly lie deeper underground than younger ones.
Older rock layers may be pushed closer to the surface by geologic processes
The age of a rock layer can often help in determining the age of the fossils it contains
Fossils form only under certain conditions
Answer: Older rock layers may be pushed closer to the surface by geologic processes.
Explanation:
GIVING BRAINLIEST!!! Who ever gives me an absurd answer will get reported. I am giving all of my points for this ;-;
Jem made a table about precipitation, but he made a mistake. Which statement corrects the error in the table?
A) Snow forms when water vapor condenses into water droplets inside clouds.
B) Hail is formed when water droplets collect and freeze into layers to form a chunk of ice.
C) Snow forms when water drops freeze as they pass through a layer of freezing air and form pellets.
D) Water vapor that forms ice crystals that join into flakes is not how snow forms; it is how rain forms.
What is shown in the
image below?
A. Food chain
B. Trophic chain
C. Food web
D. Energy web
Plz help on a timed quiz!
Will give 30 points to who answers and will try to give Brainiest if right :)
Answer:
the answer is food web.
Explanation:
it says it at the top of the picture :)
Suppose that this population of mice has stabilized so that both white and brown appear. White mice survive better in the winter and brown mice survive better in the warmer months. If a group of these mice migrated to an area that didn't get snowy in the winter, what do you think would be the long term effect on the color of these mice? Explain why.
Answer:
The population of the white mice would significantly decrease, and most of the mouse population would be with brown fur.
Explanation:
As stated in the question, the brown mice survive better in warmer times. This is due to the fact that with winter and snowy times it makes it harder for prey to spot the WHITE mice v.s. the BROWN mice who would very easily be spotted by the prey in snowy regions.
structure and function
When cells of
join together, they form
obvious, cells
different, tissue
similar, tissue
Answer:
I think it may be b but the question is a little confusing
2. What do you call the structure of the DNA?
DNA is made up of molecules called nucleotides. ... Nucleotides are attached together to form two long strands that spiral to create a structure called a double helix. If you think of the double helix structure as a ladder, the phosphate and sugar molecules would be the sides, while the bases would be the rungs
Explanation:
Can you help me? Please
1. pH (fun fact, it means potention of hydrogen )
2. H+
3. hydronium ion
4. 7
5. 7
6. OH-
7. acidic
8. alkaline
what is the function of RNA
Answer:
The central dogma of molecular biology suggests that the primary role of RNA is to convert the information stored in DNA into proteins.
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Answer:
Ribonucleic acid is a polymeric molecule essential in various biological roles in coding, decoding, regulation and expression of genes.
Explanation:
Tropical rain forests receive heavy rainfall. How do the trees and plants of this region withstand rotting?
Answer:
The trees and plant withstand rotting in tropical rain forest using some of these mechanisms.
Explanation:
Tropical rain forests are known for the presence of heavy rainfall, due to this, there might be a lot of water retention in the root. Some trees and plants however are able to store this water and use some of the below mentioned methods to prevent decay and rot.
Some trees in the tropical rain forest may produce very hard outer layer, these hard outer layer will protect the plant and trees form predators and microorganisms from penetrating into the inner tissues of the tree.
Some withstand rotting by producing chemical compounds, these chemical compounds prevents predators and microorganisms from destroying the plants and trees.
Which of the following is NOT apart of the chromosomal alternations?
a) Insertion
b) Deletion
c) Duplication
d) Memorization
How does farming change the biosphere?
A) It increases the amount of carbon dioxide in the atmosphere, contributing to the buildup of greenhouse gases.
B) It induces changes in global biogeochemical cycles.
C) It speeds up the decomposition of organic matter in soil.
D) It contributes to the loss of competing ecosystems, the decrease of biological diversity, and the increase in endangered species.
E) All of the above
Answer:
A
Explanation:
It increases the amount of carbon dioxide in the atmosphere, contributing to the buildup of greenhouse gases.
