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Brut [27]
3 years ago
10

Need help by today labeling these.

Biology
1 answer:
leva [86]3 years ago
7 0

Answer:

A: Vacuole

B: Mitochondria

C: Cell Membrane

D: Smooth ER

E: Rough ER

F: Cell Wall

Explanation:

Vacuole- near nucleus

Mitochondria- green oval looking thing

Cell Membrane- always before cell wall in a plant cell

Smooth ER- can be near rough ER ( no ribosomes)

Rough ER- always near nucleus

Cell Wall- large green thing surrounding cell membrane

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Where was BSE first detected in the mid 1980’s?
kompoz [17]

When was BSE first discovered?

BSE first appeared in British cattle in the mid-1980s. There have been numerous cases detected in other countries. A complete list of countries is available from both the U.S. Food and Drug Administration (FDA) and the U.S. Department of Agriculture (USDA).

3 0
3 years ago
The secretion of a signal molecule by a cell into the local environment
Elodia [21]

Answer:

paracrine signaling.

Explanation:

Chemical signaling between cells is one of the most important ways that activities of tissues and  organs are coordinated. The nervous system is the other major coordinating system in animals,  but even here chemical signaling is used between adjacent neurons. The mechanisms involved are  described as either being paracrine, autocrine, intracrine, endocrine, neuroendocrine or  pheromones. Paracrine signals diffuse locally and act on neighboring cells.

5 0
3 years ago
Please help me!! Worth 30 points
alekssr [168]

Answer: See below

Explanation:

Solar energy: Advantages: Solar energy is pollution free and causes no greenhouse gases to be emitted after installation. Disadvantages: Although solar energy can still be collected during cloudy and rainy days, the efficiency of the solar system drops.

Wind energy: Advantages: It doesn't pollute air like power plant relying on combustion of fossil fuel. Disadvantages: Wind turbines can be a threat to wildlife (e.g. birds, bats).

Hydroelectric energy: Advantages: Hydroelectric energy is fueled by water, so it's a clean fuel source, meaning it won't pollute the air like power plants that burn fossil fuels, such as coal or natural gas. Disadvantages: Electricity generation and energy prices are directly related to how much water is available. A drought could potentially affect this.

6 0
3 years ago
Which of the following are possible results of mutated genes?
Nimfa-mama [501]

Answer:

harmful effect and no effect

Explanation:

No effect: most mutated genes destroy themselves before it gets to far

Harmful effect: an example of harmful effects would be down-syndrome (where you have 3 21-chromosomes and you are only supposed to have 2)

6 0
3 years ago
The two cells are provided with nutrients for growth. After 35 hours, which is the most likay davon
Marta_Voda [28]

Answer:

a

Explanation:

it is most likely answer

8 0
3 years ago
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