1

Which of the following might be found in a freshwater

ecosystem?

А

Water-dwelling bacteria

В

Interactions among fish

C

Rocks and shells

D

All of the above

Which dienes and dienophiles below contain activating substituents that will facilitate the diels-alder reaction?

Biology Grade 9 Does anyone know the correct answer to this Biology question? Is an apple seed planted in the ground considered to be living, nonliving, or dead? Which of the choices would be correct? living, nonliving, or dead

Which structure fuses to form a diploid zygote sexual reproduction

Identify the steps of the lysogenic cycle

Very long orgainic molecules that contain instructions that cells need to function arr called?

The number of phenotypes produced for a given trait depends on

In what ways are index fossils and layers of volcanic ash found in ice cores similar?

The percentage of silt in silty clay loam is what? a. 60% to 70% b. 80% to 90% c. 90% to 100% d. 10% to 20%

Which of the following would cause an error in DNA replication? A. DNA ligase taking apart chunks of DNA B. Helicase making a replication fork C. DNA polymerase pairing new Cs with Gs D. DNA polymerase checking the DNA

Which of the following about Dalton's theory of matter is true? A Atoms of the same element have the same mass. B Compounds formed from two elements will not always have the same proportions. C Atoms cannot be divided into smaller parts.