Answer:
option 1, 2, 4, and 5 are true while 3 is false.
Explanation:
statements are given below.
1) Anaerobic respiration occurs by either lactic acid or alcohol fermentation.
2) Glycolysis is the first step in anaerobic respiration only.
3) only anaerobic respiration produces a net gain of ATP.
4) anaerobic respiration occurs in the cells cytoplasm.
5) aerobic respiration always include the citric acid cycle.
Anaerobic respiration occurs by either lactic acid or alcohol fermentation and produces very low amount of ATP due to the absence of oxygen. Glycolysis refers to the breakdown of glucose molecule in pyruvate and ATP molecules. It only occurs in anaerobic respiration because it does not requires oxygen. Both aerobic and anaerobic respiration produces energy in the form of ATP. Aerobic respiration occurs in the mitochondria of the cell while anaerobic respiration occurs in the cytoplasm. Citric acid cycle is main part of aerobic respiration.
Explanation:
Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts. Biotic factors include plants, animals, and other organisms. Abiotic factors include rocks, temperature, and humidity. Every factor in an ecosystem depends on every other factor, either directly or indirectly
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Answer: A. Cells can divide uncontrollably.
Explanation:
If the p53 gene is damaged, tumor suppression is reduced. A cell with damaged DNA may proceed with its division. <u>The daughter cells produced are likely to inherit mutations due to the unrepaired DNA of their mother cell</u>. Over many generations, cells tend to accumulate mutations. These mutations result in a p53 protein, and DNA damage can accumulate in cells which means <u>it will not able to control cell proliferation because it is unable to trigger apoptosis</u>. Such cells may continue to divide in an uncontrolled way, leading to tumor growth. This means people who inherit only one functional copy of the gene (or none) will most likely develop tumors.
False
A star is a large celestial body, but it is composed of very hot hydrogen gas.
This would be an example of D. <u>Founder Effect</u>