If a boy exhibits a sex-linked trait that is carried on the X chromosome, what must be true?

His mother exhibited the trait

His mother had at least one allele

Cleaner fish feed off the algae fungi and other microorganisms that are found in larger fish. Other species of fish which look like cleaners are able to approach the larger fish and remove large bites of flesh.

Some white powder from your kitchen fizzes when you put it into vinegar why is this a chemical reaction

The sliding filament theory is used to explain the physiology of skeletal muscle contraction. On your own, write your own description of what the sliding filament theory states.

Describe something that made you curious. How did you try to find out more about what made you curious?

What are some characteristics of segmented animals?

Hailey needs to identify internal costs so she can price her product accordingly. Which cost will be part of Hailey's calculation? A. cost of endangering species B. cost of deforestation C. cost of air pollution D. cost of disposing by-products E.

What is the main difference between prokaryotic and most eukaryotes cells? A. Eukaryotic cells from multi-cell tissues, Prokaryotic cells are single cell. B. Eukaryotic cells from single cell, Prokaryotic cells are multi-cell tissues. C.

List (A) the primary materials necessary for and (B) The materials produced by photosynthesis

How is fermentation different from cellular respiration?

Arrange the phases in the life cycle of the Sun in order from the birth of the Sun to the time in the far distant future when the Sun has cooled.