What structure in euglena indicate that they can carry out photosynthesis? A. eyespot B. contractile vacuole C. chloroplast D. flagella

Mr. smith returned to the nursing home three days ago after a hospital admission for pneumonia. he was started on a new atb on the day he was readmitted to the nursing home. after three days mr. smith is not showing signs of improvement.

What an organism keeps their internal stable, this is called maintaining ___?

Which statement best explains why electrical signals in the body are often based on ions? Olons contain a single atom. Olonic bonds are very strong. lons can gain electrons. Olons are charged particles.

What can affect the properties of substance? A. Neither the arrangement nor the types of atoms B. Only the types of atoms C. Only the arrangement of atoms D. The arrangement and types of atoms

There ia a single instrument to measure climate change? True or faluse

When a light is on it is part of a scolde circuit

What type of symmetry does an organism have if it has five identical parts extending from a central hub? A. bi-radial symmetry B. mirrored symmetry C. penta-radial symmetry D. tubed symmetry

Most cars contain external combustion engines. True Or False!

There is a mutation in the gene that encodes tRNAlys. The mutation does not affect the anticodon in tRNAlys but results in a tRNAlys that is recognized and charged by aminoacyl-tRNAser synthetase.

What characteristics do biologists use to classify arthropods?