Answer:
Producers are always at the beginning of a food chain. Producers begin every food chain because they can make their own food.
Trisomy 21, as illustrated by the karyotype, is caused by nondisjunction. This occurs when chromosomes do not separate properly during meiosis.
Answer is D) nondisjunction
Figure 1.1 shows its four main stages:gap 1, synthesis, gap 2, and mitosis.Gap 1, synthesis, and gap 2 together make up what is called interphase. The stages of the cell cycle get their names from early studies of cell division. ... They also carry out cell-specific functions in G1 and G2.
Answer:
The majority of the cell membrane is made from phospholipids and has 2 layers
Earth’s axis passes through the North and South Poles. It takes Earth 24 hours to rotate once around its axis. Earth revolves once around the Sun in 365 days during a non-leap year.
