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MissTica
4 years ago
9

An unknown chemical is analyzed and found to contain the bases thymine and guanine. This chemical is most likely tRNA. mRNA. DNA

. rRNA.
Biology
1 answer:
Verdich [7]4 years ago
7 0

Answer:

DNA

Explanation:

Thymine is one of the four nucleobases that pairs with adenine to make up DNA, also called 5-methyluracil. It is replaced by uracil to make RNA molecules during transcription.

Theferore the unknown chemical analyzed was DNA because thymine is found in DNA and not in RNA molecules.

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A cell has a 1% salt concentration. It is placed into a solution containing a 10% salt concentration,
joja [24]

Answer:

If a cell has salt concentration of 1 % and it is placed in the solution where the concentration of salt is 10 % so Osmosis will occurs.

Explanation:

Osmosis is a type diffusion in which molecules moves from a region of higher concentration to the region of lower concentration through a semi-permeable membrane of the cell. This membrane only allows small molecules such as ions, salts, carbondioxide and oxygen gas etc. In the solution, salt concentration is very high so the salt particles moves into the cell through semi-permeable membrane.

8 0
3 years ago
Protein tumor markers found both in normal fetal tissue and in certain tumors are referred to as:_____.
emmasim [6.3K]

Protein tumor markers found both in normal fetal tissue and in certain tumors are referred to as alpha-fetoprotein.

The time period Tumor markers can also discuss with proteins which can be made by both healthy cells and cancer cells in the frame. it could also talk to mutations, modifications, or styles in a tumor DNA. Tumor markers are also known as biomarkers. docs might also use tumor marker exams to study when you have cancer.

Protein molecular weight markers, from time to time known as protein requirements or protein ladders, are used to estimate the molecular weight of proteins of hobby and to monitor the development of electrophoretic separation or transfer in Western blotting.

Tumor markers are materials observed in higher-than-regular tiers inside the blood, urine, or tissues of a few people with most cancers. these materials, that are additionally known as biomarkers, may be made by way of the tumor. They also can be made by wholesome cells in reaction to the tumor.

Learn more about Tumor markers here:- brainly.com/question/14812652

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6 0
2 years ago
Drawin's experiments are just one way to study phototroprism. A student wants to investigate the effects of phototroprsm in bean
oksano4ka [1.4K]

Answer:

Angle of light source

Explanation:

Independent variable is the variable that the experimenter changes or manipulates in an experiment in order to bring about a measurable response, which is the dependent variable.

In this question, a student wants to investigate the effects of phototropism in bean plants. She places a light source directly above one plant, at a forty-five degree angle to another, and at a ninety-degree angle from the third. This shows that the variable being manipulated (independent variable) is the ANGLE OF THE LIGHT SOURCE.

6 0
3 years ago
Flax has been used to make these for boats. What are they
azamat

Answer:

Cork decks

Explanation:

Hope this helps.

5 0
3 years ago
Read 2 more answers
If a certain band on one chromatography strip has been identified as
Grace [21]

Answer:

D

Explanation:

The same chlorophyll can be identified if it moves the same distance up the second chromatography strip as it did on the given chromatography strip.

6 0
3 years ago
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