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kykrilka [37]
3 years ago
9

Which substance damaged bird life until it was largely banned in the 1970s?

Biology
2 answers:
Yuliya22 [10]3 years ago
8 0
DDT is the best answer ☺
rjkz [21]3 years ago
5 0
The substance, DDT, damages a bird life until it was largely ban in the 1970s. DDT (<span>dichlorodiphenyltrichloroethane) is a colorless, tasteless, odorless, and crystalline organochloride known for its insecticide properties.</span>
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What do dna microarray assays allow scientists to study regarding gene expression?
Allisa [31]

DNA microarray assays allow scientists to identify networks of gene expression across an entire genome.

The microarray is scanned to determine the expression of each gene printed on the slide after hybridization. The associated spot on the microarray turns red if a particular gene's expression is higher in the experimental sample than in the reference sample.

The DNA microarray is a technology that is used to identify whether a specific person's DNA has mutations in genes like BRCA1 and BRCA2. The chip is made up of a tiny glass plate that is enclosed in plastic. A few businesses use techniques resembling those employed to create computer microchips to produce microarrays.

Learn more about DNA microarrays here: brainly.com/question/14728534

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7 0
2 years ago
I need help plz
Serga [27]
Hello I'm your answerer today,its:
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4 0
3 years ago
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Whereas superficial flexors in the anterior compartment of the forearm originate from the _____ epicondyle of the humerus, the s
ASHA 777 [7]

Answer:

Whereas superficial flexors in the anterior compartment of the forearm originate from the medial epicondyle of the humerus, the superficial extensors in the posterior compartment of the forearm originate from the lateral epicondyle of the humerus.

Explanation:

The forearm has 2 compartments: an anterior compartment responsible for the flexion of the wrist, and a posterior compartment with the function to extend the wrist.

The superficial muscles in the anterior compartment arise from the common flexor tendon that originates from the medial epicondyle of the humerus. This compartment is mostly innervated by the median nerve.

The superficial muscles in the posterior compartment originate from the lateral epicondyle of the humerus and are innervated by the radial nerve.

The ulnar nerve innervates the flexor carpi ulnaris and flexor digitorum profundus in the forearm.

6 0
2 years ago
Eukaryotic cells in the leaf of a plant A. lack mitochondria and chloroplasts.B. lack mitochondria but have chloroplasts.C. have
olga_2 [115]
The answer is D has mitochondria and chloroplasts. In the leaf, so must have chloroplast, most eukaryotic cells have mitochondria (powerhouse of the cell)
6 0
3 years ago
List several commercial applications of ethylene gas.
OlgaM077 [116]

Answer:

The commercial application of ethylene gas are as follows:

The ethylene gas are important for the early ripening of fruits.

The elongation of shoot can be done by ethylene gas.

The flower stimulation and swelling of stem can be achieved by the use of ethylene gas.

The leaf abscission of ornamental plants can be done by the use of ethylene hormone.

7 0
2 years ago
Read 2 more answers
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