Land plants are thought to be descendants of which of these groups?

A - green algae

B - red algae

C - brown algae

D - ferns

E. coli can synthesize the amino acid threonine or absorb it from the environment. In the thr operon, the repressor is active when it is bound to threonine. If an E.

Contrast growth in living and nonliving things

What compound does most of the work to carry out cell processes

What are mutations? A. Changes in nucleotides of a DNA molecule that affect the genetic message. B. Repairs of damage to DNA molecules by specialized enzymes. C. Removal of damaged DNA nucleotides by enzyme molecules. D.

In which location would a population most likely be geographically isolated? a wetland a river a rain forest an island

A mother brings her 2-month-old infant to the clinic. she tells the healthcare provider the baby has been irritable with a runny nose for the past 4 days. the healthcare provider assesses the baby and notes nasal flaring and intercostal retractions.

Hich of the following organisms receives at least some energy from plants? A. coyotes B. rabbits C. deer D. all of these

A pea with yellow seeds is crossed with a pea plant with green seeds. All of the offspring have yellow seeds. The allele for yellow seeds is ...

Huma Whic intera (1) 2. Which statement accurately compares cells in the human circulatory system to cells in the human nervous system?

The type of chemical reaction responsible for breaking polymers back down into monomers is known as a condensation (or dehydration)