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HACTEHA [7]
3 years ago
9

WILL GIVE BRAINLIEST!

Biology
2 answers:
Dafna1 [17]3 years ago
5 0

Answer:

I am taking the test right now, I put B, but i will comment if it is correct, if it is plz mark as brainliest :)

Explanation:

Yeah B is right.

goldfiish [28.3K]3 years ago
3 0

Answer:

As stated, the students were there in the lab for performing practical without following the safety rules. The most likely basis for teacher's warning here in this case is the flask which is pointed in an unsafe direction. It is not mentioned whether the flask is containing any chemical or not but even if it is empty, it might just fall and break and cause injury to anyone present in the lab because the students are also not wearing proper laboratory wear in accordance to the the safety rules which include lab coats, gloves, eye wear, etc. Also, some students have not tied their hair and more importantly the flasks containing liquids are not labelled. All of these things might end up in a dangerous situation for which the teacher warned students about it all

Explanation:

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The arctic fox has a diploid number of 50 an arctic fox was forming gametes by meiosis, how many chromosomes would be visible in
Jet001 [13]

Answer:

50 visible chromosomes and replicated.

Explanation:

  • Diploid number 50
  • Haploid number 25

When we talk about the cell cycle, we refer to the interphase and the cell division (mitosis or meiosis).

Interphase is composed of stages G1, S, and G2. During the S stage, the DNI replication process occurs. This is the only stage in which the DNI molecule replicates. The synthesis of histones and other associated proteins also occurs.

Meiosis occurs after the interphase is over.

Meiosis produces four daughter haploid cells (n) from a diploid germ cell (2n). Each daughter cell is haploid because they have half the number of chromosomes of the original one.

At the beginning of prophase 1, DNI is condensed in a well-defined chromosome formed by two sister chromatids joined by a centromere. Each chromosome carefully pairs with its homologous chromosome. Homologous chromosomes aline together to make the crossing-over possible, the stage where they interchange their parts.

The whole set of chromosomes is present in prophase 1. The reduction occurs later.

So if the germ cell has 50 chromosomes, the same 50 will be visible during prophase 1. DNA has already been replicated during the S stage of interphase.

4 0
3 years ago
What is the structures of carbohydrates?
inessss [21]

Answer:

Answered below

Explanation:

Carbohydrates are biomolecules that contain hydrogen, carbon and oxygen. They are generally structured as a chain of carbons with hydroxyl groups, and ketones or aldehydes. The subtypes include;

Monosaccharides

Disaccharides

Polysaccharides

Monosaccharides are generally represented by the formula CH2On. They are classified based on the number of carbon atoms they have. Example, hexoses have 6 carbon atoms, pentose, 5, diose, 2 etc. They are also classified based on whether they have ketones or aldehydes. Examples of monosaccharides are glucose and fructose.

Disaccharides are formed when two monosaccharides form glycosidic bond through a dehydration reaction. Examples of disaccharides include; maltose, lactose, and sucrose which is made up of glucose and fructose. An oligosaccharide is made up of 2-10 monosaccharides and are often components of glycoproteins or glycolipids.

Polysaccharides, also called complex carbohydrates are long-chain carbohydrates made of repeated monosaccharides linked by glycosidic bonds. Examples are starches and glycogen.

3 0
3 years ago
18 + (-18) = I want a answer<br><br>​
marta [7]

Answer:

\tt{}0 \\

Explanation:

\tt{}18 + ( - 18) \\  \\ \tt{}18 - 18 \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \tt{}0 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \\  \\  \\

4 0
3 years ago
• how does personal control and optimism relate to well being?
Anna007 [38]
Having personal control stops you from making bad decisions concerning your activity and your diet. Having optimism keeps you happy and can motivate you to do what you need to do. 

Hope I helped love! <3
5 0
3 years ago
When protists and fungi are compared, which feature is unique to protists?
AVprozaik [17]
Protists are unicellular whereas Fungi are multicellular.
8 0
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