Answer:
tRNA molecules deliver amino acids to ribosomes where the amino acid next becomes an anticodon (option C).
Explanation:
A tRNA molecule is able to deliver amino acids to the ribosomes for protein synthesis, forming an anticodon that complements the codon of the mRNA being translated. The mRNA molecules are responsible for conducting the genetic code —obtained from DNA transcription— to be translated by the ribosomes. This code is established by sequences of three nucleotides, called codons, which encode different amino acids.
What happens when mRNA molecules expose codons to ribosomes is that a tRNA molecule containing a complementary anticodon is formed, which is conducted to the ribosome to bind to the codon. This allows, according to the genetic code, the formation of a protein with a specific sequence of amino acids.
The correct answer is: The synaptonemal complex.
Non-sister chromatids are chromatids from two homologous chromosomes. In prophase I of meiosis two homologous chromosomes pair and this pairing is called synapsis. This allows possible crossing over to occur. Two non-sister chromatids are connected in synapsis by a protein-RNA complex called the synaptonemal complex.
Crossing-over or the physical exchange of chromosome parts might occur and bring to genetic recombination. The sites of crossing-over between nonsister chromatids and are called chiasmata.
Answer:
There are over 30 phyla dedicated to invertebrates. Major invertebrate phyla that you should know include porifera, cnidaria, platyhelminthes, nematoda, mollusca, annelida, arthropoda, and echinodermata
Explanation:
The theory that Francesco redi sought to disprove by his experiments was the theory of spontaneous generation.
<h3>What is the theory of spontaneous generation?</h3>
The theory of spontaneous generation is the theory that living-things can arise spontaneously from non-living things.
Early scientists believed this theory. The experiments by Francesco Redi sought to disprove this theory.
However, it was only the experiment by Louis Pasteur that finally helped scientists at the time to reject the theory of spontaneous generation.
In conclusion, the experiments by Franceso redi was aimed at disproving the theory of spontaneous generation.
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