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Hatshy [7]
3 years ago
9

Most eukaryotes have what kind of developed nervous system

Biology
1 answer:
netineya [11]3 years ago
3 0
The Structure of Prokaryote and Eukaryote Cells

During the 1950s, scientists developed the concept that all organisms may be classified as prokaryotes or eukaryotes. The cells of all prokaryotes and eukaryotes possess two basic features: a plasma membrane, also called a cell membrane, and cytoplasm. However, the cells of prokaryotes are simpler than those of eukaryotes. For example, prokaryotic cells lack a nucleus, while eukaryotic cells have a nucleus. Prokaryotic cells lack internal cellular bodies (organelles), while eukaryotic cells possess them. Examples of prokaryotes are bacteria and archaea. Examples of eukaryotes are protists, fungi, plants, and animals (everything except prokaryotes).

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C₄ plants differ from C₃ and CAM plants in that C₄ plants _____. a. transfer fixed carbon dioxide to cells in which the Calvin c
lana [24]

Answer:

The correct answer is -transfer fixed carbon dioxide to cells in which the Calvin cycle occurs

Explanation:

In C4 plants the light reaction and Calvin cycle occurs in two different cell that are mesophyll cell and bundle sheath cells. First, the CO₂ is fixed into 4- carbon oxaloacetate by an enzyme PEP carboxylase.  

Then this oxaloacetate is converted into a simpler form called malate. Malate molecule then enters into bundle sheet cell and there it releases one molecule of CO₂. This CO₂ enters the Calvin cycle which results in the sugar formation with the help of enzyme rubisco.

Therefore by releasing of CO₂ molecule by malate in bundle sheet cells, it transfer fixed carbon for the Calvin cycle to occur.

5 0
2 years ago
What might happen if cells divide uncontrollably
ddd [48]
<span>When cells divide uncontrollably it causes things like mutation or cancer. This is because cancerous cells go through rapid cell division. They do not develop in the same way that healthy cells develop. </span>
8 0
3 years ago
Most coastal areas on Earth experience two high tides and two low tides every lunar day. What is a lunar day? Our days on Earth
ahrayia [7]

The correct answer is - C) 5:35 PM Friday.

The low tides occur twice in a lunar day, thus they are diurnal. The low tides appear when the Moon is between that point of the planet and the opposite of that point of the planet, thus in between, which is happening twice, on opposite parts of the planet.

Since the lunar day lasts for 24 h 50 m, we should just divide it in two, thus get 12 h 25 m. Than we should add the 12 h 25 to the time when one of the low tides appeared, which is 5:10 AM, so we will get 5:35 PM.

The low tides appear because the Moon is pulling the water upwards with its gravitational pull above the place where it is, so the side parts of the planet have their waters dragged away,thus resulting in the retreating of the water, known as low tide.

3 0
2 years ago
Read 2 more answers
Two parts of the Plasmodium erythrocytic cycle affect the human host in the follow ways. The________ is responsible for the clin
Lana71 [14]

Answer:

The answer to 1. is option a. asexual portion.

The answer to 2. is option b. sexual portion.

The answer to 3. Is option a. Mosquito

Explanation:

1. The asexual portion is the stage in the Plasmodium erythrocytic cycle where the parasite develops in the erythrocytes causing accumulation of waste and toxic substances which ultimately end up in the bloodstream when the infected cells lyse. These factors acts to produce the symptoms experienced in malaria.

2. During the sexual portion of the Plasmodium cycle spores formed in the human host are released into the bloodstream which is usually picked up by an uninfected female anopheles mosquito when it takes a blood meal.

3. An infected mosquito passes the sporozoites to a new human host when it takes a blood meal and the cycle starts all over.

3 0
2 years ago
If an individual's gametes are exposed to x-rays before being passed to offspring what will most likely happen?
sleet_krkn [62]
The individuals gametes cells would be damaged, possibly taking his ability to have offspring.
8 0
3 years ago
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