Answer:
The count of cells observed will rely on the dimensions of both the cells and the size of the red circle on the slide.
Explanation:
Cells come in varying sizes and this variation affects how many cells can be seen through a microscope. The way the smear is prepared also plays a role, as does the amount and type of dye used on the slide.
In conclusion, the number of cells visible is somewhat subjective and can only be definitively calculated through experience.
Answer:
Sister chromatids are identical copies of chromatids from chromosomes. They are typically produced through the semi-conservative replication of a single chromosome's DNA. Thus, they can be viewed as'photocopies' of the original parental chromosomes, linked together at the centromere.
They are entirely identical in every aspect, sharing the same genes and allele configurations.
Still, minor variations can occur between the identical sister chromatids due tomutations fromerrors during replication, and differences can also arise in the lengths of telomere repeats.
Non-sister chromatids differ as they arise from separate haploid sex cells during fertilization. These chromatids come from distinct parents and possess different genetic compositions since they do not lie on the same homologous chromosomes. This is why crossing-over results in genetic variation.
However, they may still exhibit genetic similarities if they are part of homologous chromosomes. This is because Synapsis of the bivalents in these chromosomes permits the exchange of genetic material through crossing-over between non-sister chromatids, thereby sharing identical genetic traits.
Explanation:
Answer:
B
Explanation:
Cellular respiration relies on glucose and oxygen to generate carbon dioxide and water.... Plants and other organisms perform photosynthesis to create energy, while cellular respiration processes energy for utilization.
The body needs energy and fuel for standard brain activities, physical movements, and organ functions. Carbohydrates serve as the energy source.
Lipids fulfill various functions, with one key role being energy storage. Similar to Carbohydrates, they are vital to our bodies, supplying energy throughout the day.
I hope this assists you!
