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dsp73
2 years ago
8

Why are all bacteria classified as prokaryotes?

Biology
2 answers:
kobusy [5.1K]2 years ago
8 0
Bacteria are classified as prokaryotes because they lack a nucleus and membrane-bound organelles.
ahrayia [7]2 years ago
6 0

Answer:

Prokaryotes are simple cells that lack a nucleus or membrane-bound organelles. A nucleus is a type of organelle that holds DNA. In prokaryotes, however, their DNA floats in the cytoplasm in a nuclear region rather than being contained in a nucleus.

Explanation:

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Fern spores usually form during:<br><br> spring<br> winter<br> summer<br> fall
aivan3 [116]

Answer:

Late summer

Explanation:

many spores ripen in late summer

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2 years ago
What gas is changed by some bacteria into a form that plants can use? oxygen nitrogen water vapor carbon dioxide
aalyn [17]

the best answer is nitrogen since plants cannot fix nitrogen

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2 years ago
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1. Suppose you go to the beach in the morning on a sunny summer day. Explain the rate at which thermal energy is absorbed by the
rodikova [14]

Answer:

1. During the day, the sun heats up both the ocean surface and the land. Water is a good absorber of the energy from the sun. The land absorbs much of the sun’s energy as well. However, water heats up much more slowly than land and so the air above the land will be warmer compared to the air over the ocean.

2.The air over the ocean is now warmer than the air over the land. The land loses heat quickly after the sun goes down and the air above it cools too. This can be compared to a blacktop road. During the day, the blacktop road heats up and becomes very hot to walk on. At night, however, the blacktop has given up the added heat and is cool to the touch. The ocean, however, is able to hold onto this heat after the sun sets and not lose it as easily. This causes the low surface pressure to shift to over the ocean during the night and the high surface pressure to move over the land. This causes a small temperature gradient between the ocean surface and the nearby land at night and the wind will blow from the land to the ocean creating the land breeze.

3. The sand should both heat and cool faster than the water. This is because water has a higher specific heat ca- pacity than sand – meaning that it takes a lot of heat, or energy, to raise the temperature of water one degree, whereas it takes comparatively little energy to change the temperature of sand by one degree.

4.

6 0
3 years ago
Scientific models are often used to help scientists understand a problem.<br> <br> True or False
GrogVix [38]
True .....................
5 0
3 years ago
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Explain why giving antibiotics to animals can affect human health​
s344n2d4d5 [400]

Answer:

Explanation:

Abstract. The use of antibiotics in food animals selects for bacteria resistant to antibiotics used in humans, and these might spread via the food to humans and cause human infection, hence the banning of growth-promoters.

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3 years ago
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