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bonufazy [111]
3 years ago
15

Which of the following are associated with a rock's chemical composition? Select all that apply.

Biology
2 answers:
harkovskaia [24]3 years ago
8 0
B. Crystalline structure

C. Types of chemical elements

And

D. Amounts of chemical elements
soldier1979 [14.2K]3 years ago
7 0

Answers

B. crystalline structure

C. types of chemical elements

D. amounts of chemical elements

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Please help me!!!&lt;3<br> What are 2 limits of natural selection? Please explain why the limit.
Brums [2.3K]

1. natural selection acts on existing traits because you can not evolve into something you didn't have

2. original structures evolve to accomplish new function in order to survive

8 0
3 years ago
What is the correct order of genetic material from smallest to largest?
Ede4ka [16]

Answer: allele, gene, DNA, chromosome, nucleus

Explanation: An allele is a variant of a gene or a different form of a gene. A gene is a segment of a DNA that codes for an RNA or a protein. A DNA is a genetic material that contains all the genetic information of an organism. A DNA is packaged and condensed into a threadlike material known as chromosome and chromosomes are found in the nucleus of a cell.

5 0
3 years ago
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The energy in most ecosystems comes from
kakasveta [241]

Answer:  B

Explanation:The energy needed by living things comes from the sun. Every ecosystem depends on green plants to trap the energy in sunlight and change it into chemical energy. The process by which green plants convert the sun's energy is called photosynthesis.

4 0
3 years ago
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Place the particular characteristic into the correct corresponding type of dna replication. each characteristic may be used once
torisob [31]

Answer:

This is the remaining incomplete part of the question.

Requires separation of template strand Uses helicase Occurs during interphase of cell cycle Require primers Occurs in nucleus Requires dNTPs Produces Okazaki fragments Requires DNA polymerase Requires Primase Requires Taq DNA polymerase Requires cycles of heating Occurs in cytoplasm Occurs during anaphase of mitosis

Explanation:

Cellular DNA replication                            Polymerase chain reaction

Requires separation of template            Requires separation of template

strand                                                       strand

Requires dNTPs                                       Requires dNTPs

Uses helicase                                           Requires cycles of heating

Requires Primase                                     Require primers

Requires DNA polymerase                      Requires Taq DNA polymerase

Occurs during interphase of cell cycle  

Occurs in nucleus                                    Occurs in test tube

Produces Okazaki fragments

6 0
3 years ago
Can someone help me with a summary of asexual and sexual reproduction summary?
fenix001 [56]

Answer:

Asexual reproduction is when the parent reproduces without having any sexual contact with a partner and they don't need any kind of fertilization from another partner, sexual reproduction requires both a male and female partner, and fertilization of eggs must occur.

4 0
3 years ago
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