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Vaselesa [24]
3 years ago
14

How do fossils and fossil records support the idea that life change over time? How is the fossil age measured?

Biology
1 answer:
Alex Ar [27]3 years ago
5 0

Fossils, or preserved parts of organisms from the distant past, have shown that species change over time. Radiometric dating can be used to determine the age of fossils by measuring the how much of the radioactive materials in each rock layer have broken down.

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Utah has the largest concentration of oil shale and tar sands in the United States. Which statement identifies a disadvantage to
aivan3 [116]

Answer:

Extraction of oil from tar sands is not economically feasible.

Explanation:

6 0
3 years ago
Pls help. Plant cell
Soloha48 [4]

Answer:

B and D (the 4th answer)

Explanation:

5 0
2 years ago
The 5 carbon sugar in dna is called
Kisachek [45]

Answer:

Ribose and Deoxyribose.

Explanation:

They are both important components of nucleotides, and are found in RNA and DNA.

Hope I helped!

7 0
3 years ago
Read 2 more answers
Proceso de ingestion en humanos cual es?
Afina-wow [57]

Answer:

La ingestión es la introducción de la comida en el aparato digestivo al servicio de la alimentación o de la hidratación, y en la forma que nos es más familiar se realiza a través de la boca.

Explanation:

El "bocado" o pieza alimentaria que se incorpora debe tener dimensiones mayores a las moléculas para denominarse ingestión.

7 0
3 years ago
In functional genomics, biologists use sequence information to identify the functions of various parts of genomes. Which of the
k0ka [10]

Answer:

E: specific proteins that are made by a cell under particular conditions

Explanation:

It is only specific proteins that are made by a cell under particular conditions can't be obtained from a genome sequence. In order to get information about this protein we need proteomics.

Genome sequence gives us an idea of nucleotide sequence of DNA and RNA molecules not proteins. Regulatory sequences such as promoters, enhancers, insulators, UTRs etc. all are a part of genome, rRNA genes are part of genome sequence too, non coding repetitive repeats and intron regions are also a part of genome sequence itself so option A, B & D are incorrect. Option C is also incorrect because amino acid sequence of  proteins can also be determined by genome sequences because each nucleotide triplet which is known as codon refers to a specific amino acid. Option E is correct because by genome sequence we can easily get to know about amino acid sequence but not about specific protein which is synthesized at a particular condition.

6 0
3 years ago
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