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grigory [225]
3 years ago
7

A nutrient medium that contains at least one ingredient that is not chemically definable would be termed ________.

Biology
1 answer:
natima [27]3 years ago
8 0

The correct answer is a. Complex

A complex or undefined medium is rich in nutrients, which contain water-soluble extracts of plant or animal tissue, a sugar, (often glucose is added to serve as the main carbon and energy source). The combination of extracts and sugar creates a medium which is rich in minerals and organic nutrients, but the exact composition is unknown.

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Why is fire matter and why is ice matter ?<br>​
matrenka [14]

Answer:

becouse ice is a solid and fire predouses heat

Explanation:

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2 years ago
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ASAP!! I WILL MARK YOU BRAINLIEST!!! I JUST NEED THE ANSWER!!! How are photosynthesis and cellular respiration related?
nydimaria [60]
The both add CO2 to the atmosphere
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3 years ago
What happens to RNA polymerase II after it has completed transcription of a gene? a. It begins transcribing the next gene on the
Over [174]

The correct answer is: b. It is free to bind to another promoter and begin transcription

Transcription is the first step of gene expression in which DNA molecule is copied (transcribed) into RNA (mRNA) by RNA polymerase. The process of transcription is divided into three phases:

1. Initiation

• RNA polymerase with transcriptional factors bind to gene promoter  

• RNA polymerase unwinds DNA double helix (transcription bubble is formed)

2. Elongation

• RNA polymerases adds nucleotides complementary to DNA  

3. Termination

• RNA polymerase gets to stop codon (transcribes a sequence of DNA known as a terminator)

• Formed complementary RNA strand is released from DNA-RNA complex.

RNA polymerase is also released and can transcribe some other gene by binding to its promotor. RNA polymerase will transcribe just the genes whose products are needed at a particular moment.

7 0
3 years ago
3)
Margarita [4]

Answer:

mRNA:   A-U-G-C-A-U-U-A

Explanation:

Given DNA template: T-A-C-G-C-T-A-A-T

Newly transcribed  mRNA:  A-U-G-C-A-U-U-A

Transcription is a process that uses DNA template strand to make RNA strands. The process occurs in nucleus. The nucleotide sequence of DNA template is always complimentary to its respective RNA sequence.

Here, thymine of DNA template strand pairs with adenine of newly formed RNA. Adenine of DNA template would pair with uracil of RNA. Guanine of DNA template pairs with cytosine.

8 0
3 years ago
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zzz [600]

Answer:

D) Los Alamos National Laboratory

Explanation:

Hope this helps

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2 years ago
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