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Fed [463]
3 years ago
10

How could early life have changed the Earth?

Biology
1 answer:
timofeeve [1]3 years ago
6 0
Life on Earth has also changed tremendously. At first, the Earth was not even able to support life. There was no oxygen in the atmosphere, and Earth's surface was extremely hot. Slowly, over millions of years, the Earth changed so that plants and animals could begin to grow.
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A group of college students working on a project on bio-gas have found some bacteria in the bio-gas plant. These bacteria can ut
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I beleive it would be probacteria

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3 years ago
The normal shape of an enzyme is as shown in structure A. If the enzyme's shape changes to that shown in structure B, what are t
Varvara68 [4.7K]

Answer:

There is no image showing the shape of an enzyme, however, the question can still be answered based on basic understanding. The answers are;

- Less binding of substrate

- won't follow the lock-and-key pattern of enzyme binding

Explanation:

An enzyme is a biological catalyst that regulates the rate of chemical reactions in living systems. Enzymes are proteinous in nature and every protein is made up of an amino acid sequence. The amino acid sequence forms a three-dimensional shape that determines the functionality of the enzyme.

Enzymes catalyze reactions by binding to their substrates in a lock and key pattern. This makes enzymes substrate-specific. If the enzyme's normal shape changes, the following will occur:

- Less binding of substrate

- won't follow the lock-and-key pattern of enzyme binding.

8 0
3 years ago
The following statements refer to a comparison of reproduction in ferns vs. flowering plants. Indicate whether each statement is
Dennis_Churaev [7]

Answer:

Both ferns and flowering plants produce spores at some point in their life cycles. True

Only ferns have a gametophyte as part of their life cycle. False.

Only flowering plants produce pollen grains. true

Both a tree and a large fern plant are diploid sporophytes. True

Explanation:

Yes, both ferns and flowering plants produce spores in their life cycles. In fern plant, it produce spores on the underside of the leaves whereas in flowering plant, there are two types of spores such as microspores and megaspores. Both ferns and flowering plants have gametophyte as part of their life cycle. Flowering plants produce pollen grains whereas non-flowering plants produce spores to continue their generation. Both tree and large fern plants having diploid sporophytes which is a necessary part of their life cycle.

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What information is examined when registering a pesticide?
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4 years ago
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The two main processes by which plant cells absorb, release, and use energy are
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<em>The two main process by which plant cells absorb, release, and use energy are Photosynthesis and respiration.</em>
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4 years ago
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