Answer:
True
Explanation:
Truly, the typical X shaped chromosomes is the result of DNA replication. When the DNA has replicated, it then condenses and coil into the X-shaped of the chromosome. This then implies that replicated chromosomes take the X-shaped structures seen under a microscope.
When this replication occurs, the chromosome is made of two structures that are identical. They are known as the sister chromatids. These chromatids are actually joined at the centromere.
Answer:
A is the answer. She forgot to eat
Explanation:
Hunger is one the early symptoms of people who has hypoglycemia. Hypoglecemia is having low sugar in the blood and if there is any secretion of insulin from any part of the body, it lower the sugar more and more which is not what we want.
Food - increase in height
Predators - fast reproduction, fast in general
Heat/lack of water - Cam photosynthesis, storage of water
Predator/prey arms war - sensors along side to detect prey, sense of smell, etc
Answer: Cancer cells do not respond to these signals.
Explanation: Cell repair and cell death—Normal cells are either repaired or die (undergo apoptosis) when they are damaged or get old. Cancer cells are either not repaired or do not undergo apoptosis.
Answer:
1. Precambrian rocks are very old.
2. They have very few fossils.
