A solution with a pH more than 7 is basic.
Looking at a pH scale will help you figure that out!!
Less than 7: acidic
Exactly 7: neutral
More than 7: basic
First one - two gametes will unite during fertilization to create a diploid cell
Answer:
b. chemoautoptrophs
Explanation:
They are called chemotrophs; this means that they obtain their energy from chemical reactions.
Answer:
a. Bacteria cannot carry out splicing.
Explanation:
Human genes contain non-coding sequences called introns. Transcription of genes produces primary transcripts that undergo post-transcriptional modifications to produce mature mRNA. These modifications include removal of introns, the addition of 3' poly-A tail and 5' cap. The splicing of introns from primary transcripts is followed by ligation of protein-coding sequences exons to produce mature mRNA. The mRNA leaves the nucleus and serves as a template for protein synthesis.
Splicing of introns requires specific machinery such as several small nuclear ribonucleoprotein complexes, etc. which are not present in a prokaryotic cell. Therefore, a eukaryotic gene like the gene for human growth hormone is not expressed in a bacteria cell as these prokaryotic cells cannot carry out the splicing of introns from pre-mRNA.
Answer:
An analogy for the cell wall is that the cell wallis like an outer wall along a castle (enclosed compound). The cell wall is a rigid outer barrier.
Explanation:
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