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-BARSIC- [3]
3 years ago
6

The geological timescale was first developed using the fossil record, but this provided only a system of relative dating; absolu

te dates weren't established until the discovery of: _______________-
Biology
2 answers:
atroni [7]3 years ago
8 0

Answer: ... radioactive decay.

Explanation:

ANTONII [103]3 years ago
6 0

Answer:

Radioactive decay

Explanation:

Radioactive decay which is a property of several elements found on the earth involves the emission of charged particles and energy of unstable nuclei of radioactive atoms, thereby becoming stable with time. The rate of radioactive decay is often referred to as half-life of that element, and could be as more than millions of years. Radioactive elements that undergo radioactive decay have made it possible for a more accurate dating to be achieved using the known decay rates of radioactive materials.

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During Mendel's experiments, _____ alleles resulted in visible phenotypes when at least one copy was present.
Inessa [10]

Answer:

The word for the blank spot is Recessive.

Explanation:

3 0
2 years ago
1. Why does the moon appear to change throughout each month? *
andrey2020 [161]

Answer:

C

Explanation:

As the Earth moves in relative to the moon the Earth blocks part of the sun from the moon causing only parts of the moon to light up. This BEST answers the question because B is not accurate because it doesn't describe why we actually SEE it. A might be true but it is not the BEST explained.

Hope this helps! (^-^)

6 0
3 years ago
Which of the following best describes the significance of the sequence of an
Salsk061 [2.6K]
C because your traits are what makes up your individuality
6 0
3 years ago
The material that come from dead organisms is called
Elanso [62]

It is called detritus

8 0
3 years ago
During exercise, protein synthesis in muscle cells stops. After exercise, protein synthesis starts again and contributes to the
Marysya12 [62]

Answer:

D. 4E-BP1 binding to elF4E prevents loading of the mRNA onto the ribosome.

Explanation

In eukaryotic organisms, the eIF4E translation initiation factor functions by directing the ribosomes to the 5'-terminal cap structure of the messenger RNA (mRNA) in order to start the translation. Moreover, phosphorylation is a posttranslational modification of specific amino acids on proteins that play diverse cellular functions by altering protein stability, location, and/or enzymatic activity. It has been shown that elF4E phosphorylation is increased in response to cellular stimuli that induce translation in the ribosomes (e.g., growth factors, hormones, etc). The eukaryotic translation initiation factor 4E (eIF4E)-binding protein 1 (4E-BP1) is a repressor of mRNA translation which is phosphorylated and inactivated by growth factors and hormones, thereby inhibiting 4E-BP1 binding to elF4E and consequently activating translation.

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