Answer:
Actin filaments return to their original positions (does not occur in muscle contraction, according to the sliding filament model).
Explanation:
Answer:
D) Sea otters are a keystone species as they prevent a herbivorous species from completely destroying a plant species.
Explanation:
A trait is the organism's feature. So, a trait would be eye color. A phenotype would be hazel. An allele is a gene. It can be recessive or dominant.
Answer:
16 pg at the end of S
16 pg at the end of G2
Explanation:
A cell has 8 pg of DNA per nucleus in G1.
During S phase the DNA replicates, so every nucleus will contain double the normal amount of DNA that was present in G1. Therefore, at the end of S each nucleus would have 16 pg of DNA.
During G2 the cell continues growing and preparing for mitosis, but DNA content does not change: there are still 16 pg per nucleus.
<span>A food handler is anyone who handles either
food or surfaces that are likely to be in contact with food such as plates,
bowls or cutlery. Therefore, he is responsible to ensure that food is safe to
eat, monitor a control such as to check and record food temperatures, keep
himself, his work clothes and work place clean. In addition, he need to report
any flu-like symptoms, skin infections, or open wounds. </span>
