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storchak [24]
2 years ago
8

Name the following compound: 4-ethylpentane 3-methylhexane 2-ethylpentane 3-methylpentane

Biology
1 answer:
Troyanec [42]2 years ago
3 0

Answer:

3-methyl hexane

Explanation:

because we choose the longest possible continuous chain which has 6 carbons and start numbering from the side that gives the branch lowest possible number.

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Short pea plants exist in the P1 and F2 generations. What happens to the phenotype in the F1 generation?
belka [17]

Answer:B:The allele for short pea plants is masked during the F1 generation, but is still present in the genotype

Explanation:

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6 0
3 years ago
Neurons transmit signals to the central nervous system. The brain processes this information to initiate a response. Two neurons
Free_Kalibri [48]

The question is incomplete. The complete question is as follows:

Select the correct answer from each drop-down menu.

Neurons transmit signals to the central nervous system. The brain processes this information to initiate a response. Two neurons communicate with each other through the ( axon , dendrite, synapse) . The ( cerebrospinal cord, glial cell, neurotransmitter) is released at the site to initiate action potential and carry the signal through the body.

Answer:

synapse

neurotransmitter

Explanation:

Neurons are the basic units for the transmission of signals to the central nervous system. The two neurons are connected through the syanpse. Synapse is the space or junction between two nerve cells, or neurons.

The neuron receives signals through dendrites and two neurons  communicate with each other through a chemical called neurotransmitter, which is released at the end of a nerve fibre and carry the signal through the body.

Hence, the correct answers are synapse and neurotransmitter.

6 0
3 years ago
Read 2 more answers
For which of the following reasons do small, isolated islands have a greater rate of
andrew11 [14]

Answer:

Larger islands that are large and close to the mainland are shos lower rate of extinction due to the fact that the species present have more space so there will be more resources available in comparison to smaller islands where limited space and limited resources available.

Extinction is greater on islands isolated due to the unlikelihood of immigration and as it is opposite to the island close to the mainland and competition is more in isolated islands.

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