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prohojiy [21]
2 years ago
5

explain how the structure and function of the cell membrane supports the process of cell respiration and photosynthesis. Use evi

dence and scientific reasoning to support your answer.​
Biology
1 answer:
svetoff [14.1K]2 years ago
8 0
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Antibiotic resistance evolved in a population of Mycobacterium tuberculosis, the bacterium that causes tuberculosis. Select the
Natasha2012 [34]

Answer:

Antibiotic resistance can evolved in bacterial population in the following ways:

Explanation:

  • In response to constant exposure to antibiotics some members of a bacterial population develop some beneficial mutations in some essential genes that gives them survival advantage in terms of food and space over the sensitive bacterial strains and hence they are capable of out-competing the sensitive bacteria.
  • This happens due to the process of Natural Selection.
  • These genes are called antibiotic resistance genes and bacteria usually carry them on plasmids in form of cassettes where genes resistant to multiple drugs are incorporated. These plasmids are called the MDR or Multi-Drug Resistance Plasmids.
  • These resistant plasmids can be easily transferred among bacterial populations by conjugation, transformation or transduction or direct plasmid transfer.
  • The resistant genes encode for proteins that render the drug ineffective by promoting their efflux from the cells, preventing their entry into the cell, chemically modifying them such that they become non-functional or altering the target site of the drug.

7 0
3 years ago
Of the following phyla, which are non-seed producing and non-vascular?
Masteriza [31]

Answer:

Anthocerophyta, Bryophyta, Hepatophyta.

Explanation:

Non vascular plants are defined as the plants which contains phloem, and xylem without the vascular system. They are containing simpler tissues which are specialized for internal transport of water.

They include bryophyta, hornworts (anthocerophyta), liverworts (hepatophyta) mosses, and some algae. Non vascular plants reproduce with the help of spores, and do not produce fruit, and flowers.

3 0
3 years ago
Which of the following can scientists use to identify where earthquakes will most likely occur?
shepuryov [24]

Answer:

D

Explanation:

seismographs detect waves and vibration undergroud

3 0
3 years ago
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What is the scientific name for dog
slamgirl [31]
Canis lupus familiaris
5 0
3 years ago
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The cells of plants and animals are similar, except for a few different structures. Which structures are only found in plant cel
Leviafan [203]

Answer:

large central vacuole

cell wall

Explanation:

Let me clear some things up for you. There are two types of cells - Prokaryotes and Eukaryotes. The principle difference between these types of cells are the structure of their genome. In case of prokaryotes, the genomic matter do not have a defined structure, it just kind of floats around in the protoplasm. But in the eukaryotes, the genome is more structured, have all kinds of proteins associated with them, and is surrounded by a two layered sack called the nuclear membrane. Both plant and animal cells have these feature of structured nucleus, therefore, they are both eukaryotes.

Now for the difference between plant and animal cells. the features you mentioned are unique about plant cells, but do not rule them out from being eukaryotes, as the 'true' structure of the nucleus is still there. Cell walls are necessary for the plant cells because plants do not posses an endoskeleton like most of the animals do. The cell wall makes the whole plant rigid so they don't fall apart or appear like a blob. Chloroplast is where photosynthesis happens, so it should most definitely be in a plant cell. Animals don't do photosynthesis so they don't have chloroplasts. Vacuoles are also present in animal cells, but they are much smaller, greater in number, and are known as lysosomes. Functionally they are virtually the same.

7 0
1 year ago
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