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inn [45]
4 years ago
10

What problems would you expect to observe in an ecosystem without primary consumers?

Biology
2 answers:
goldenfox [79]4 years ago
8 0
Primary consumers are those that are herbivorous - they only eat producers. Primary consumers are the link between the base of an ecosystem's chain food - where simple substances are transformed into organic compounds by photosynthesis or chemosynthesis - and the upper layers - where energy is obtained from, mostly, other animals.
If primary consumers were not found in an ecosystem, all other layers of the chain food on that ecosystem would be nonexistent. The ecosystem would only be made by producers.
kramer4 years ago
7 0
Ecosystem without primary consumers: say for ex there are bears and fish, right, so if all the bears disappear or just all die suddenly than the fish aka the prey would benefit. Why? well because without having to worry about bears eating them they can live without fear and they can reproduce more families of fish, and even live longer, and also eat more. More prey without predators is basically the dream for prey, prey don't want to be eaten, but that's the food chain so consumers really don't care, they just want to eat, so it would be good for prey to live without predators.
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What does it mean if someone is malnourished?
Goshia [24]
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6 0
3 years ago
Scientists have engineered bacteria to produce human proteins, such as factor VIII, a blood clotting factor used to treat hemoph
Paladinen [302]

Answer:

- Bacteria cannot remove intronic sequence from a gene, so if the gene for factor VIII were transcribed, it would translate to a nonfunctional protein.  

- The bacteria will not recognize the eukaryotic promoter to transcribe the gene.

Genome engineering steps:

I. Isolate by PCR the mature mRNA of the target factor VIII gene

II. Synthesize a complementary DNA (cDNA) for this mRNA by using a reverse transcriptase enzyme

III. Insertion of the cDNA into a plasmid vector

IV. Expression of the protein in the host bacterial cell through transformation

Explanation:

Bacteria lack the spliceosome (ie., the eukaryotic machinery required to remove introns from the primary mRNA), because bacterial genes do not have introns. Moreover, eukaryotic organisms require several proteins that bind to the promoter sequence and subsequently recruit the RNA polymerase to initiate this process. In bacteria, transcription is controlled by proteins that bind to cis-acting sequences which regulate the transcription of adjacent genes. In contrast to bacteria, eukaryotic genes have many classes of promoter and enhancer elements.

Genome engineering technologies can be used to produce bacteria expressing human proteins derived from synthetically introduced human genes (see steps above). For example, recombinant bacteria expressing the human insulin gene have already been designed by using E. coli as cell factories.

6 0
3 years ago
Which best describes the role of immunosuppressants in transplant surgeries?
Nuetrik [128]
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7 0
3 years ago
Read 2 more answers
Which equation is most likely used to determine the acceleration from a velocity vs time graph?
Vedmedyk [2.9K]

Answer:

The equation/formula to find acceleration from a velocity time graph is....

     acceleration = velocity / time

Hope this helps!

8 0
3 years ago
Read 2 more answers
Homo erectus was able to migrate out of Africa because:
sdas [7]

Answer: C)  by eating meat, he could migrate wherever animals are found, and live in cold areas where plant-eaters (like Australopithecus) could not have found food during Ice Ages

Explanation:

 Home erectus are the oldest humans species in the africa and they expand there range in the several continents like south east asia for the search of diet that includes meat and increasing the food supply in the environment seasonally and also live in cold area where plant eaters do not find enough food during ice ages. As, homo erectus are the posses the cultural and physical attributes.

5 0
3 years ago
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