CANT GET WRONG!

1 answer:

3 0

In the 9th century, it was suggested that when organisms change, they are adapting to survive.
Lamarck, was the researcher that created the theory of acquired characteristics.
Malthus first proposed the idea that overpopulation contributed to the lack of resources and interfered with survival, but he applied this to only humans, Darwin was the first to apply this to all organisms.

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13. A biochemist isolated and purified molecules needed for replication. When DNA was added, replication occurred but the DNA mo

zalisa [80]

Answer:

DNA ligase

Explanation:

DNA replication is a process whereby a particular DNA makes a copy of or synthesizes itself. It consists of several steps with some important enzymes for successful, error free replication. The various steps are as follows;

Unwinding of the double helix structure of the DNA and formation of replication fork. The enzyme involved here is the DNA helicase.
Primer, a short piece of RNA becomes synthesized and binds to the 3' end of one of the 2 strands of the DNA, the leading strand. The enzyme involved is the DNA primase.
Replication of the leading strand then proceeds with the elongation of the primer through the addition of bases in the 5' to 3' direction leading to the formation of continuous strands.
The other strand of the DNA, known as the lagging strand starts its own replication by binding with multiple primers at different regions of the strand. Bases are then added to each primer leading to the formation of several, short discontinuous DNA strands known as Okazaki fragments. The enzyme involved in the elongation process is the DNA polymerase.
Next is the termination of the replication process after the formation of the continuous and discontinuous strands. Exonuclease enzyme removes primers from the synthesized strands. Primers are replaced by appropriate DNA bases and the Okazaki fragments are joined to form a unified DNA strand by an enzyme known as the DNA ligase.

The many, few nucleotides long DNA segments observed by the Biochemist are the Okazaki fragments that should have been joined together by the DNA ligase.

Hence, DNA ligase must have been the component left of the mixture.

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3 years ago

Photosynthesis

Simora [160]

Answer:

The answer is c I think sorry if it is wrong

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3 years ago

What are two major differences in the composition of the inner and outer planets?

Nimfa-mama [501]

The inner planets are made of rocks while the outer planets are composed of gas.

The inner planets are closer to Sun and are small in size while the outer planets are far away from sun and are larger in size

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3 years ago

The light independent reactions produce ______________ and _______________ which are used in the light dependent reactions.

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ADP stands for Adenosine DiphosPhate. ADP is a compound with two instead of three phosphate groups.

During light-independent reactions, ATP and NADPH from the light-dependent reactions are used to produce high-energy sugars that can be stored for a long ADP which are used in the light dependent reactions. Correct answer: D

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3 years ago

Read 2 more answers

The force necessary to break or stretch the surface of a liquid (1 point) A. Adhesion B. Cohesion C. Surface tension D. Viscosit

exis [7]

The answer to your question is,

C. Surface Tension

-Mabel <3

4 0

3 years ago