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Mamont248 [21]
3 years ago
7

For 38,000 years, organisms have been trapped and preserved at La Brea in deposits of what?

Biology
1 answer:
ludmilkaskok [199]3 years ago
4 0
The La Brea Tar Pits preserve organisms for years.
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Lipophilic hormones function by activating cAMP.
AveGali [126]

Answer:

Option B

Explanation:

Water soluble hormones associate with the G protein of cAMP. This G protein is intra-cellular i.e found inside the cell.  

However in case of lipid derived hormones, the hormone has to diffuse through the cell across the plasma membrane to bind to DNA or the intra-cellular receptors.This regulates the gene transcription and induces protein production that affects the cell functioning for a long time.

Hence, option B is correct

7 0
3 years ago
Why do salmon return to their birthplace after they mature?
Aleks [24]

Answer:

b

Explanation:

4 0
3 years ago
A recessive allele causes phenylketonuria (PKU) when homozygote. If the frequency of the recessive allele is 0.05 in the populat
Radda [10]

Answer:

0.095

Explanation:

Phenylkentonuria is a disease caused by a recessive allele.

The frequency of the recessive allele + the frequency of the dominant allele equals 1.

The frequency of the recessive allele is q = 0.05

The frequency of the dominant allele then is p = 1  - q = 0.95

If people mate randomly, the frequency of the homozygous dominant genotype will be p², the frequency of the heterozygous genotype will be 2pq and the frequency of the homozygous recessive genotype will be q² .

2pq=2× 0.05 × 0.95

2pq=0.095

The heterozygote frequency in the population is 0.095

4 0
3 years ago
How do secondary consumer obtain their energy? <br><br>Please someone help me ​
Orlov [11]

Answer:

Consumers must obtain their nutrients and energy by eating other organisms. Decomposers break down animal remains and wastes to get energy.

secondary consumer obtain their energy by eating or consuming primary consumers.

7 0
3 years ago
Explain the link between climate change and globalization.
sammy [17]

Answer:

La globalización hace más vulnerable la economía al cambio climático. La susceptibilidad de la red económica global al estrés por calor de los trabajadores se ha duplicado en la última década, según concluye un nuevo estudio publicado en la revista 'Science Avances'

Explanation:

7 0
3 years ago
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