B testis, this is were the sperm is produced
Answer: The satellite must orbit at a speed of about 7,000 mph
Explanation: the higher the orbit, the longer the satellite can stay in orbit.
Answer:
The correct answer will be option D.
Explanation:
DNA replication is a complex process which forms the exact copy of the DNA molecule from the existing DNA. This process takes place during the synthesis phase or S-phase of the cell cycle which takes place in the cytosol of prokaryotes and nucleus of the eukaryotes.
The most common way of producing replicas of the DNA molecule is through semi-conservative mode in which each strand of DNA is synthesized from both the strands of the parental DNA using as a template.
Thus, option D is the correct answer.
Answer:
At the "Elongation" or "middle stage" of the translation, the peptide bond is formed.
Explanation:
We know that there are three steps or stages of the translation process. Among these 3, in the elongation stage, amino acids are carried to the ribosome by tRNAs, and then they become linked together to form a chain.
In this stage, at first, methionine-carrying tRNA starts in the middle slot of the ribosome, called the P site. Next to it, a new codon is opened in another slot, called the A site. The A site will be used for the "landing site" for the next tRNA. Once the matching tRNA has arrived in the A site, the formation of the peptide bond happens. This peptide bond connects one amino acid to another. This step transfers the methionine from the first tRNA onto the amino acid of the second tRNA in the A site.
Answer:
A new rock is produced that is different from the original rock.
Explanation:
During chemical weathering, a new rock is produced that is different from the original rock.
- Chemical weathering is the chemical decomposition of rocks to form sediments and soils.
- A large chunk of rock combines with water, air and other chemical materials.
- This cause chemical action and a new substance is produced.
- This process is known as chemical weathering.
Physical weathering is the breaking down of rocks into smaller fragments.
