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Alenkasestr [34]
4 years ago
9

During the Upper Paleolithic, humans in Eurasia relied heavily on:_____.

Biology
1 answer:
tangare [24]4 years ago
8 0
The answer is B) Hunting
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Compare the structures and functional groups of arachidonic acid and prostaglandin pge1.
Tatiana [17]

Arachadonic acid is a carboxylic acid with a 20 carbon chain and four cis-double bonds. They do not have any functional groups. It is a polyunsaturated fatty acid present in the phospholipids of the membranes in the cells of the body, brain, muscle and liver. Prostaglandins are the active lipids compounds abundant in human tissue. They are a 20 carbon chain saturated fatty acids with a 5 carbon ring forming a cyclopentane. It has one trans-double bond, two hydroxyl functional groups and a ketone functional group.


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3 years ago
During exercise, protein synthesis in muscle cells stops. After exercise, protein synthesis starts again and contributes to the
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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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3 years ago
Helphhxhdjdjdjsjdnnd
poizon [28]
The answer for that is c because there are greater proportion of mountains land and in the southern hemisphere
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Which state experiences, on average, the highest wind speeds?
Nataly_w [17]

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b Texas bc they the closest to the water

7 0
3 years ago
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Imagine that you are performing a cross involving seed color in garden pea plants. What traits would you expect to observe in th
Natali [406]

Answer:

Yellow seed colour (heterozygous)

Explanation:

Since we are performing experiment on the garden pea, so in the garden pea Yellow seed color is dominant and green one is recessive.

The allele responsible for the seed colour is denoted by Y.

So,

Homozygous parent having Yellow seeds will have allelic configuration as YY and the other homozygous parent with green seeds will have yy as pair of alleles.

In the cross of YY × yy the F1 progeny will be Yy which means F1 offspring will will be heterozygous and have Yellow seed colour because Yellow seed colour is dominant over the green colour. Green colour will express itself only in the homozygous condition.

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