Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane?
Answer:
what are the options
Explanation:
How many carbon atoms are in w molecule of maltose if the molecule has 12 oxygen atom?
A)12
B)24
C)10
D)6
All of the following are part of a prokaryotic cell except All of the following are part of a prokaryotic cell except an endoplasmic reticulum. a cell wall. DNA. a plasma membrane. ribosomes.
Answer: Endoplasmic reticulum
Explanation:
The endoplasmic reticulum is a membrane bound organelles which is found in the eukaryotic cell. This is found in the eukaryotic cell that forms a inter connected network of flattened membrane- enclosed in the sacs.
The enclosed sac or tube like structure in the cell is known as cisternae. It is a double membrane bound organelle which helps in the modification and sorting of proteins.
The correct answer is endoplasmic reticulum.
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Which are contained in the upper leaf cells?
A. the vein, chloroplasts, and phloem
B. the cuticle, phloem, xylem, and stomata
C. stomata, phloem, xylem, and chloroplasts
D. the cuticle, surface cells, and chloroplasts
Answer: D. the cuticle, surface cells, and chloroplasts
Explanation:
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Why are the structure and function of the pont du gard described as "marks of roman civilization"?
Distinguish between external and internal stimuli. give an example of each.
organism to respond to a external is \sensitivity
Explanation:
What is evolutionary theory?
The property of water whereby molecules tend to stick to one another is called:
Adhesion and cohesion effect every water molecule on Earth and their interactions with other molecules.
What is adhesion and cohesion?The ability of similar molecules (of the same substance) to adhere to each other as a result of mutual attraction is the quality known as cohesion. The capacity of distinct molecules or surfaces to attach to one another is referred to as adhesion. Solids, for instance, possess excellent cohesive qualities, which allow them to avoid adhering to the surfaces with which they come into contact.
Cohesion: Water has a natural tendency to attract more water. Adhesion: Water has a tendency to draw other substances to itself. Both adhesion and cohesion are qualities of water that have an effect on each and every water molecule on the planet, as well as the way water molecules interact with the molecules of other substances.
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Differential reproduction of genotypes leads to evolution via what process? inbreeding natural selection genetic rescue genetic drift mutational load
Vwhat type of body movement occurs in the lower leg when a person kicks a soccer ball forward?
Jack was diagnosed with persistent depressive disorder and has experienced recurrent episodes of major depressive episodes. in the intervals between the episodes, he does not seem to return to ""normal."" jack's condition is referred to as
Discuss the major functions of the lymphatic system
The major functions of the lymphatic system include:
1. removing interstitial fluid from tissues
2. absorbs/transports fatty acids
3. transports white blood cells to and from lymph nodes into the bones
4. Transports antigen cells to the lymph nodes where the immune response is activated.
The lymphatic system is part of the body's immune system, performing three main functions: maintaining fluid levels in the body's tissues, absorbing fats from the digestive system, and protecting against infections.
Explanation:The lymphatic system is a crucial part of the body's immune system. It has three major functions: maintenance of fluid levels in the body's tissues, absorption of fats from the digestive tract, and protection against infections.
The lymphatic system helps maintain fluid levels by collecting excess fluid and proteins from tissues and returning them to the bloodstream. This process prevents swelling and helps with circulation.
The lymphatic system also plays a significant role in the absorption of fats from the digestive system. Lacteals, special lymphatic vessels located in the lining of the small intestine, absorb dietary fats that cannot be transported directly into the bloodstream, and then transport them to the blood circulation.
Last but not least, the lymphatic system is essential for our body's defences. Its complex network of lymph nodes, vessels, and organs such as the spleen and thymus serve as filters, trapping microbes, cancer cells and foreign substances, which are then destroyed by lymphocytes.
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True or false? pathogens can enter the body through animal bites.
Correctly match the term and definition: extending a body past the anatomical position
In the circulatory system nutrients such as glucose and amino acids are transported by
How might abundant amounts of food allow herons to reproduce more often?
What kind of solution occurs in your mouth when you eat something with a high salt content? a hypotonic solution an isotonic solution a hypertonic solutionWhat kind of solution occurs in your mouth when you eat something with a high salt content? a hypotonic solution an isotonic solution a hypertonic solution
Which sensation(s) does the vestibulocochlear nerve carry?
What assembles some components of the cell membrane modifies proteins has ribosomes attached to it?
The rough endoplasmic reticulum (RER) is responsible for assembling some cell membrane components, and modifying proteins, and has ribosomes for protein synthesis. It also produces phospholipids for the cell membrane.
Explanation:Structure Responsible for Protein Synthesis and ModificationThe cellular structure that assembles some components of the cell membrane, modifies proteins, and has ribosomes attached to it is the rough endoplasmic reticulum (RER). Ribosomes are the cellular structures responsible for protein synthesis. They are found attached to the RER, synthesizing proteins that are then transferred into the lumen of the RER, where they may undergo further modifications such as folding or receiving sugar chains. In addition to protein modification, the RER synthesizes phospholipids for the cell membrane. The modified proteins and newly made phospholipids are packed into vesicles, which then travel to and fuse with the Golgi apparatus for final modifications before being transported to their final destinations, such as the plasma membrane.
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Determine how hypotonic hypertonic and turgor pressure are interrelated.
How do abiotic factors change within a community as a result of the succession of vegetation?
someone help plss
The abiotic factors in the community have changed as the vegetative cover increases: more vegetative cover leads to the consumption of more water due to the presence of life forms; a dense forest is the result of less sunlight on the ground; and so on.
What is the importance of abiotic factors in a community?Abiotic factors are non-living physical and chemical elements in the environment that can influence the growth and behavior of living organisms, such as temperature, light, water, soil, and air quality and these factors, determine species survival rate, can have a significant impact on the structure and functioning of a community, for example, if a community is located in an area with cold winters, only species that are adapted to survive in cold temperatures will be able to survive there.
Hence, the abiotic factors in the community have changed as the vegetative cover increases: more vegetative cover leads to the consumption of more water due to the presence of life forms; a dense forest is the result of less sunlight on the ground; and so on.
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Which is more useful when identifying a mineral: the mineral's color or the mineral's streak?
Which congenital disorder is characterized by local narrowing of the aorta just proximal to the insertion of the ductus arteriosus?
European cuckoo birds lay their eggs in the nest of other bird species, allowing the other birds to raise their young. the cuckoo birds are therefore:
European cuckoo birds and other species engage in brood parasitism, laying their eggs in the nests of other birds to avoid parental care.
European cuckoo birds practice brood parasitism by laying their eggs in the nests of other bird species, letting the host birds raise their young. This behavior allows cuckoos to avoid the high costs of parental care. Some other bird species, like cowbirds, also engage in similar parasitic behavior by laying their eggs in other birds' nests.
What effect would a drop in the size of the krill population have on the antarctic food web and why?
Answer:
Krill is an zooplankton species that is extremely abundant in Antarctic water bodies. These zooplanktons feeds on phtoplanktons present in the Antarctic water bodies. Therefore, in antarctic food chain Krill belong to primary consumer trophic level. In Antarctic they are source of food for seals, penguins, whales, fishes and birds. These are included in secondary, tertiary and quaternary trophic levels of the food chain. The drop in the size of the krill population will result in limitation of populations of species at higher trophic levels. As, many food chains are interconnected to form a food web therefore, the drop in size of Krill in one food chain will also affect the overall food web of Antarctica.
The process of evolution toward niche divergence in the face of competition is called ____________.
How might a decrease in biodiversity affect medical discoveries and treatments?
What element on the periodic table has 85 protons and 86 electrons?
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Territorial behavior does not extend to organisms of different species. please select the best answer from the choices provided t f
The given statement is false.
The territorial behavior is an intra-species social behavior of the organism. In territorial behavior, the organism marks its territory and prevents it from the incursion of the other members of the same species. This behavior is not an inter species behavior, so, the effectiveness of the marking of the territory remains within the same species.
In an emergency, the adrenal glands secrete "emergency" hormones, while the body prepares for fight or flight directed by