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STALIN [3.7K]
3 years ago
15

Cigarette smoke contains thousands of chemicals, 50 of which are known _____.

Biology
1 answer:
Pavel [41]3 years ago
6 0
Carcinogens -- cancer- causing substances-- in each cigarette.
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True or False:<br><br> Fermentation in yeast produces lactic acid.
marshall27 [118]
I'd say false...
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4 0
3 years ago
I need help plsssssssss someone help
Nonamiya [84]
Its conversion of pyruvate, a process where each molecule loses one carbon atom with the release of carbon dioxide
6 0
2 years ago
Whats the correct answer to the question ?
Alex17521 [72]
What question are you talking about?
7 0
3 years ago
A biologist examines a series of cells and counts 160 cells in interphase, 20 cells in prophase, 6 cells in prometaphase, 2 cell
Marrrta [24]

Answer:

M phase: 4.8 hr

Prophase: 2.4 hr

Prometaphase: 0.72 hr

Metaphase: 0.24 hr

Anaphase: 0.84 hr

Telophase: 0.6 hr

Explanation:

Mitosis, also known as M phase, is the process of nuclear division after interphase, which is followed by cytoplasmic division via cytokinesis. Mitosis can be subdivided into the following phases: Prophase,  Prometaphase, Metaphase, Anaphase, and Telophase. In this case, 160 cells are in interphase (for a total of 200 cells), thereby 40 cells are in mitosis >> 200 - 160 = 40 cells. Since the complete cell cycle requires 24 hours, it is possible to calculate the average duration of each phase:

M phase: 40/200 = 0.2 x 24 hr = 4.8 hr

Prophase: 20/200 = 0.1 x 24 hr = 2.4 hr

Prometaphase: 6/200 = 0.030 x 24 hr = 0.72 hr

Metaphase: 2/200 = 0.01 x 24 hr = 0.24 hr

Anaphase: 7/200 = 0.035 x 24 hr = 0.84 hr

Telophase: 5/200 = 0.025 x 24 hr = 0.6 hr

3 0
3 years ago
Which of the following best describes the flow of energy in the Everglades food web shown below? (2 points)
antiseptic1488 [7]
The correct answer is B.
A food web typically start with a plant which serves as the primary producer of food for the other living organisms that are in the food web. The food web is made up of many tropic level, only about 10% of the energy in one tropic level is transferred to the next trophic level. 
Looking at option B, you will discover that the food web start with a plant which is mangrove. Insects feed on mangrove, southern leopard frog feed on insects and raccoon feed on American alligator.
8 0
3 years ago
Read 2 more answers
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