If I am going up the concentration gradient, am I going from: *

Biology

1 answer:

Zigmanuir [339]3 years ago

6 0

Answer:

Low concentration to high concentration

Explanation:

If moving up the concentration gradient, you will start detecting the chemical molecules more and more frequently.

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Members of the phylum Actinobacteria have had a profound impact on human health over the course of civilization. One member of t

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Answer:

The correct answer would be - mycobacterium, and streptomyces.

Explanation:

Actinobacteria is a phylum that consists of a group of gram-positive bacteria with cytosine and guanine content in their DNA. These bacteria can be aquatic or land bacteria. Actinobacteria do not have cell wall however they make a non-sptate and mycelium.

Mycobacterium is one of the genera of the actinobacterium phylum. This genus includes pathogenic species in it that cause deadly diseases in humans and other mammals such as leprosy and tuberculosis Whereas streptomyces is another genus of the actinobacteria that is yielded the very first drug to fight with the ancient scourge.

Thus, the correct answer is - mycobacterium and streptomyces.

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Which amino acid chain will be formed by the codons shown below GGU AGC CGG

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Violent explosions from the Sun's magnetic field that release energy are __________.

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Violent explosions from the Sun's magnetic field that release energy are Solar flares.

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The crispr system involves the cas9 enzyme, which identifies specific nucleotides to be cut using a(n) ________ molecule as a gu

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Answer:

RNA

Explanation:

CRISPR system was discovered by a Japanese scientist. Naturally bacteria and many other prokaryotes have CRISPR system in their genome which they use as a self defense against a pathogen which is invading them. It consists of inter spaced, short palindromic nucleotide repeats which encode a guide RNA (gRNA). This guide RNA (gRNA) recognizes the target sequence on the pathogen. The gRNA is followed by Cas9 enzyme which along with the gRNA plays a very important role in breaking genome of the pathogen. Once the target gene is cut down the rest of the DNA can be rejoined by non homologous end joining.

But nowadays, scientists are using this system for genome editing and incorporating desired gene between the two ends which are cut down by CRISPR Cas9 system.

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