Biology, 07.01.2021 02:40 jamalnellum56
Microfilaments are a component of a cell's cytoskeleton and are made of the protein actin. They are important for giving a cell its shape and also aid in .
A.) Protein synthesis
B.) Cellular movement
C.) DNA replication
D.) Energy conversion
Answers: 1
Biology, 22.06.2019 12:40
Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.
Answers: 1
Biology, 22.06.2019 15:00
Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.
Answers: 1
Microfilaments are a component of a cell's cytoskeleton and are made of the protein actin. They are...
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