Answer:
type 1
Explanation:
Because an insertion or deletion results in a frame-shift that changes the reading of subsequent codons and, therefore, alters the entire amino acid sequence that follows the mutation, insertions and deletions are usually more harmful than a substitution in which only a single amino acid is altered.
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Answer
Lamarckism, a theory of evolution based on the principle that physical changes in organisms during their lifetime—such as greater development of an organ or a part through increased use—could be transmitted to their offspring.
Lamarck believed that the stretching elongated the giraffe's neck, which became a useful characteristic and was passed onto future generations. This resulted in the length of the giraffe's neck increasing over time. It is now commonly accepted that Lamarck's ideas were wrong.
Answer: The third and fifth statements are true. Oxygen released from photosynthesis is breathed in by animals to break down glucose, and the carbon dioxide released by animals is used to build glucose in photosynthesis.
Explanation: Oxygen and glucose are the reactants for cellular respiration in animals. Oxygen is breathed in through the air, which is produced by plants. When the process of cellular respiration is complete, animals breathe out carbon dioxide as a product, which plants need to perform photosynthesis. Plants perform photosynthesis and send oxygen into the environment. The reactants of photosynthesis are the products of cellular respiration in animals, and vice versa, but the reactants and products are not the same.
Answer:
The answer is B
Explanation:
The definition of a light year is the unit of astronomical distance, though it is called a light year it is actually a measurement of distance, so the answer, "the time it takes light to travel 1 million km is the correct answer.
