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ad-work [718]
2 years ago
5

what do oceanographers use echo-sounding devices to study?

Biology
2 answers:
Serhud [2]2 years ago
8 0
✨Sometimes ✨ let me know
Katyanochek1 [597]2 years ago
4 0
Echo sounding is a type of sonar used to determine the depth of water by transmitting sound waves into water. ... Echo sounding can also refer to hydroacoustic "echo sounders" defined as active sound in water (sonar) used to study fish.
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Match these items. *Urgent*
USPshnik [31]
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3 0
3 years ago
Why do malleable and ductile physical properties help make minerals useful? Pls answer with a simple/easy to understand answer
vodomira [7]

Answer:

Malleable and ductile properties indeed help minerals useful. Both properties are useful because they help in transforming the shapes of minerals. Malleability is a useful property since it can be flattened or pounded by a hammer. Also, the ductile property makes it possible for the minerals to be stretched in the form of a wire. These two properties makes it useful for minerals.

Explanation:

Malleable and ductile properties indeed help minerals useful.

Both properties help in transforming the shapes of minerals.

Malleability is a useful property since it can be flattened or pounded by a hammer.

The ductile property makes it possible for the minerals to be stretched in the form of a wire.

7 0
2 years ago
You are a geneticist studying prader-willi syndrome. which chromosome do you focus on? you are a geneticist studying prader-will
shepuryov [24]
 The Prader-Willi syndrome (PWS) is due to the lack of expression of paternal genes of the 15q11-q13 region. It usually occurs sporadically, although some family cases have been described (<1%). Approximately 70% of cases are produced by deletions of paternal origin in the 15q11-q13 region. 28% of cases are due to maternal uniparental disomy and less than 2% are caused by imprinting alterations. A geneticist studying prader-willi syndrome should focus on chromosome 15, its structure or changes in the number, these anomalies are also related to other syndromes such as: Bloom Syndrome, Breast cancer, Isovaleric acidity among others.
5 0
2 years ago
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In E. Coli, the gene laci codes the lac operon repressor. Which of the following statements is true about an E.coli strain, whic
kow [346]

Answer:

The correct answer will be option-A.

Explanation:

Lac operon is a set of genes arranged sequentially for lactose metabolism in E.coli. The lac operon gets activated in the presence of lactose as the lac operon consists of three enzyme coding genes called lacZ which codes for the β-galactosidase enzyme, lacY which codes for lactose permease, lacA which codes for acetyltransferase along with a regulatory gene called lacI which codes for repressor proteins.

The repressor proteins bind to the operator and control the transcription. When it binds to operator its huts off the transcription. If a mutation occurs in the laci gene then the protein will lose the machinery which will turn off the activity of enzymes and will lead to the constitutive expression of the genes irrespective of the inducer present or not.

Thus, option-A is the correct answer.

7 0
3 years ago
Blood clotting and childbirth are examples of
Tems11 [23]
The answer is c positive feedback is a mechanism in which the output enhances the stimulus
3 0
3 years ago
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