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harina [27]
3 years ago
15

A leaf's stomata _____.

Biology
1 answer:
Fed [463]3 years ago
7 0
Open and close to control evaporation
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What was the second organism to be found here on planet Earth? *
mafiozo [28]

What was the second organism to be found here on planet Earth?

  • <em>Prokaryote</em><em>s</em>

<u>The</u><u> </u><u>prokary</u><u>otes</u><u> </u><u>are</u><u> </u><u>considered</u><u> </u><u>to</u><u> </u><u>be</u><u> </u><u>the</u><u> </u><u>most</u><u> </u><u>oldest</u><u> </u><u>on</u><u> </u><u>earth</u><u>.</u><u> </u><u>The</u><u> </u><u>first</u><u> </u><u>found</u><u> </u><u>organism</u><u> </u><u>on</u><u> </u><u>earth</u><u> </u><u>was</u><u> </u><u>bacteria</u><u> </u><u>and</u><u> </u><u>then</u><u> </u><u>many</u><u> </u><u>other</u><u> </u><u>Prokaryotes</u><u> </u><u>were</u><u> </u><u>found</u><u>.</u><u>.</u><u>.</u><u>~</u>

7 0
2 years ago
Read 2 more answers
In translation, the cell uses the genetic information contained in mRNA to make the proteins that carry out the cell's work.
Jobisdone [24]

Answer: d). UAG

Explanation: During translation, DNA sequence is first of all copied into an mRNA in a process known as transcription. This is the first step in protein synthesis. The mRNA is used as a template in protein synthesis. The genetic information encoded in an mRNA are in form of codons. A Codon is a three nucleotide sequence that codes for a specific amino acid. These codons are recognized by anticodons in a tRNA molecule. An anticodon is a three-base sequence on the tRNA through which tRNA base pair with mRNA.

From the DNA sequence above, 3'TAG will first be transcribed into an mRNA sequence AUC, then the anticodon on the tRNA will be UAG. The mRNA codon-tRNA anticodon base pairing follows the Watson and Crick base pairing in which Adenine pairs with Uracil and Cytosine pairs with Guanine.

5 0
4 years ago
Identify the independent and dependent variable for the following statement :
just olya [345]

Answer:

IV: Student grade level (6th, 7th, 8th)

DV: "Loudness" (Operationalizing this variable would be beneficial, or in other words, define a way to measure it)

Explanation:

6 0
3 years ago
All of the following are complications that can result from an individual suffering from an eating disorder except
xenn [34]

Answer:

The answer is B

Explanation:

Hope this helps

5 0
3 years ago
Read 2 more answers
First-division nondisjunction will only yield gametes with an extra chromosome, whereas second-division nondisjunction will only
statuscvo [17]

False

Explanation:

  • During the meiosis, the cell is dividing two times and chromosomes are getting replicated. In this process, there can be errors. One of those errors is called nondisjunction.
  • As a result of the meiosis one, the cell gets divided into two cells and each will carry 23 chromosomes each. At this stage, These chromosomes are connected in the form of sister chromatids. During the meiosis two, these sister chromatids will pull apart and form four cells. Each one will be haploid cells. In meiosis one, chromosomes will undergo crossing over so this separation of chromosomes in the second meiosis is know as disjunction. However, in this process of separation, the chromosomes do not need to get distributed correctly. The errors that happened in this process are known as nondisjunction.
  • In humans, meiosis will happen and form sperms or eggs( gametes) which are haploid cells and later they combined to form a zygote which is the diploid cell.
6 0
3 years ago
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