Answer:
Hey mate.....
Explanation:
This is ur answer.....
Poorly developed nervous and muscular systems – because parasites live inside their hosts, they don't need eyes, ears or a keen sense of smell to detect potential predators nor a brain to facilitate escape. They have little need for a muscular system because they have no place to go.
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Which organism has lungs?
frog
insect
fish
jellyfish
Why is food web more practical in nature than food chain
Answer:
Hey mate.....
Explanation:
This is ur answer....
A food web is a more realistic way of portraying an ecosystem than a food chain because food chains imply that organisms only eat one type of organism which is rarely true. In a food chain predators occupy higher levels than their prey. Food webs are more complicated diagrams that are not purely linear.
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If a DNA molecule has 40% Cytosine, what percent of it would be Adenine? Explain your reasoning.
Answer:
60%
Explanation:
Answer:
:)
Explanation:
The total amount inside of all nitrogenous bases equal to 100%, with cytosine equalling 40%, Adenine would equal 10%, and you also have to include Guanine which would be another 40% equalling 90% then you have Thymine which would be the other 10%
fats store energy for
A. Long term.
B. Immediate use
C. muscle tissues only.
Which of the following is an example of nonpoint source pollution caused by burning of
fossil fuels such as coal?
O acid rain
eutrophication
O aquifer depletion
O stormwater runoff
Explanation:
Acid rain eutrophication
Acid rain eutrophication is an example of nonpoint source pollution caused by burning of fossil fuels such as coal.
What is meant by eutrophication?Acid rain eutrophication occurs when the environment becomes enriched with nutrients, increasing the amount of plant and algae growth to estuaries and coastal waters.
What is eutrophication and its causes?Eutrophication is characterized by excessive plant and algal growth due to the increased availability of one or more limiting growth factors needed for photosynthesis .
Hence, A is correct option
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Why are proteins not found in the proximal convulated tubule
PLS HELP ME PLSSSSSSSS
Maddie’s favorite meal is breakfast, and she is careful to include healthy components along with her favorite foods. She knows breakfast helps to keep her energy levels up until lunch. Maddie's digestive system helps her body get energy from food. How do the nutrients from food get to the body's cells? A. The nutrients are distributed by the digestive system to the parts of the body that need them. B. The nutrients are picked up and transported around the body by blood from the circulatory system. C. The nutrients are absorbed directly into the cells that need them. D. The circulatory system brings nutrients to the digestive system to be processed for the cells.
Answer:c
Explanation:why i don’t know I just want the points
darwin proposed that homologous structures are evidence of
Answer:
Homologous structures provide evidence for common ancestry
Which structure aids in balancing the amount of water inside and outside of both plant and animal cells?
Answer:
vacuole
Explanation:
Which statement best represents the way the köppen climate system, environmental determinism, and possibilism are related?.
how the collapse of the forest ecosystem on easter island affected the human population that lived there?
Answer:
Essentially, the population that lived on Easter Island was trapped and eventually died off.
Explanation:
The people on Easter Island started creating the famous statues that I'm sure everyone knows about today, to help protect them from possible invaders. Once the people started settling in, they were provided with a number of natural resources and supplies, which unfortunately they had taken these resources for granted. Since they had been using all of the island's resources and using the many trees there for their civilization, they had no means of leaving the island once the last trees were gone. They were pretty much trapped on a dead island due to them causing the island to go through deforestation.
Basal bodies are most closely associated with which of the following cell components?.
Which structure is found in all eukaryotic cells?
flagella
large central vacuole
cilia
Golgi apparatus
Answer:
the Golgi apparatus is the answer
A(n) ______ gene is a type of gene that regulates development and that, when mutated, leads to organisms with structures in abnormal or unusual locations on their body.
A (n) homeotic gene is a type of gene that regulates development and that, when mutated, leads to organisms with structures in abnormal or unusual locations on their body.
A homeotic gene is a gene that intervenes in the developmental program that determines the location of structures along the anteroposterior axis.
The determination of the anteroposterior axis is one of the earliest events in development, and it guides the remaining processes of organogenesis. Once homeotic genes define the identity of the body segments, they code for proteins (homeodomain) that are responsible for activating other genes.These genes ultimately trigger the formation of the organs or limbs of this segment.Genes that control the position of organs have been called homeotic genes, while mutations that affect these genes are known as homeotic mutations.Therefore, we can conclude that homeotic genes are expressed in the body regions that will house the growing structures.
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5 A prokaryotic cell is 5.0 um in length. A virus particle is 300 nm in length. How many times larger is the prokaryotic cell compared to the virus particle?
A 2
B 17
C 60
D 167
The prokaryotic cell is 17 times larger as compared to the virus particle.
Both values first need to be converted to the same unit.
5.0 um = 5.0 x [tex]10^-^6[/tex] m
300 nm = 3.0 x [tex]10^-^7[/tex] m
Dividing both values:
5.0 x [tex]10^-^6[/tex] m/3.0 x [tex]10^-^7[/tex] m
= 16.667
Hence, the prokaryotic cell is approximately 17 times bigger than the virus particle.
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URGENT MY PROJECT IS DUE TOMORROW
IS CELL REPLICATION BASICALLY MITOSIS?
Answer:
no the cell are not replication mitosis as 800000 cell die and reproduce each second
You are infected with a pathogen; it is your first exposure to this pathogen. The first antibody types that will eventually appear in your blood to help fight this infection will be:
If it is the first time that this pathogen comes into contact with the immune system, IgM antibodies are produced, which are the first type of antibodies produced against a certain microorganism.
Immunoglobulins are molecules that intervene in defense processes against microorganisms and infections.
Each type of immunoglobulin is specific against a certain antigen, this is what allows an immunological memory to exist, which is obtained when coming into contact for the first time with a certain microorganism.IgM is the first immunoglobulin synthesized by the neonate by itself, and it is also the first to appear during the primary response, which lasts an average of three weeks and then disappears.In general, the production of IgM antibodies precedes that of IgG, the concentration of antibodies can be high, plateau for a few days and then decrease rapidly.Therefore, we can conclude that when the immune system first comes into contact with an antigen, a primary response occurs; mediated by IgM antibodies.
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What type of cells does a mutation affect that will have no effect on a possible offspring?
Please answer this correct don’t answer just for points please I’ll give braynlist
The mutation you are talking about is called: somatic mutations
These mutations occur in non-reproductive cells and they will not be passed off onto offspring.
I hope this helps!
What is the measure of dissolved solids in the water?
Identify the main gas that diffuses from the alveolus to the capillary.
Answer:
oxygen
Explanation:
what bones are formed by intramembranous ossification
Answer:
Intramembranous ossification is the process of bone development from fibrous membranes. It is involved in the formation of the flat bones of the skull, the mandible, and the clavicles.
What molecules are required for the Calvin cycle? (3 answers)
Answer:After the energy from the sun is converted and packaged into ATP and NADPH, the cell has the fuel needed to build food in the form of carbohydrate molecules. The carbohydrate molecules made will have a backbone of carbon atoms. Where does the carbon come from? The carbon atoms used to build carbohydrate molecules comes from carbon dioxide, the gas that animals exhale with each breath. The Calvin cycle is the term used for the reactions of photosynthesis that use the energy stored by the light-dependent reactions to form glucose and other carbohydrate molecules.
Explanation:The Interworkings of the Calvin Cycle
In plants, carbon dioxide (CO2) enters the chloroplast through the stomata and diffuses into the stroma of the chloroplast—the site of the Calvin cycle reactions where sugar is synthesized. The reactions are named after the scientist who discovered them, and reference the fact that the reactions function as a cycle. Others call it the Calvin-Benson cycle to include the name of another scientist involved in its discovery (Figure 5.14).
This illustration shows that ATP and NADPH produced in the light reactions are used in the Calvin cycle to make sugar.
Answer:
CO2, ATP, and NADPH
Can a brotha get a brainliest? :)
which of the examples are considered anabolism? select all that apply.
Anabolism is for the synthesis of complex molecules essential in the building up of organs and tissues. It is therefore responsible for the increase in body size. Examples of anabolism are bone growth and mineralization, and muscle mass build-up.
Answer:
DNA nucleotide synthesis or polymerisation or condensation reactions;
Catabolism is breaking down of a larger molecule, so 1 large will become 2 or more smaller molecules;
Anabolism is the opposite, 2 or more smaller molecules will join together to form 1 larger molecules
Explain why there are substances on earth then are listed on the periodic table of elements
Answer:
Elements are pure substances with only one type of atom
Explanation:
Elements are pure substances with only one type of atom
Answer:
There are more substances on Earth than are listed on the periodic table of elements because substances are combinations of the elements. Elements are pure substances with only one type of atom. When two or more elements are combined, compounds are formed. This allows more substances to be created on Earth.
Explanation:
what should you do if you are not sure that an organism is a plant
Answer:
An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and maintain homeostasis.
Explanation:
An organism is a plant.
If you are not sure that an organism is a plant, you should observe and research the characteristics and behaviors of the organism to determine its classification.
What is the five kingdom classification?The five kingdom classification is a system of classifying living organisms into five major categories based on their fundamental characteristics. The five kingdoms are:
Monera: This kingdom includes single-celled prokaryotic organisms, such as bacteria.Protista: This kingdom includes single-celled eukaryotic organisms, such as algae and protozoa.Fungi: This kingdom includes multicellular, heterotrophic organisms, such as mushrooms and yeasts.Plantae: This kingdom includes multicellular, autotrophic organisms that are characterized by their ability to photosynthesize, such as trees, flowers, and grasses.Animalia: This kingdom includes multicellular, heterotrophic organisms that are characterized by their ability to move and sense their environment, such as animals and humans.Learn more about classification, here:
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plant and animal mitosis are very similar except for cytokinesis. explain how this process is different.
Answer:
Cell division or cytokinesis in mitosis or meiosis is very similar... There is a region of division to separate the two daughter cells in both processes; however, the division plate is slightly different between animal cells and plant cells. In animals, the region of division is a division plate. hope this helps! :)
why is it important to study the ecology of an area?
Ecology and enriches
Explanation:
Why is it ecology important because ecology enriches our world and is cruail for a human well being and prosperity maybe..?
Which gas is produced as a result of cellular respiration.
Answer:
Carbon dioxide
Explanation:
how does food web relate to food chain
How was Dr. Martin Luther King , Jr. , an important force in creating a more just world ?
Evidence and reasoning plz
Martin Luther King, Jr. worked hard to bring greater equality to America and ensure civil rights for all people, regardless of race.