In which part do you find chlorophyll

Which molecule has a sugar nitrogenous base and phosphate group

Mr. Hernandez is explaining how the gravitational forces of the moon and the Sun pull the water in the Earth's oceans causing tides he used a basketball to represent the Sun and a golf ball to represent the moon.

Which type of rock may contain fossils? A) igneous B) sedimentary C) radioactive D) geologic

Which of the following is MOST closely related to the number of different species found in an environment? A. biology B. biomes C. biospheres D. biodiversity

Immediately after a client's thoracentesis on the right side of the chest cavity, the LPN/LVN notices a progressive swelling on the right side of the client's chest and neck.

you are running an experiment trying to figure out how water affects plant growth for three orchid plants you recently bought. The orchids are the same species and you will place the plants next to eachother in the same windowsill.

The living world is organized in levels. Biotic and abiotic factors also can be arranged into levels of biological organization. Put the words below in order from the least complex to the most complex

Which of the following, when taken up by the cell, binds to the repressor so that the repressor nolonger binds to the operator? A) ubiquitin B) inducer C) promoter D) repressor E) corepressor

Which of these organisms would be a producer? A. fish B. grasshopper C. flower D. snake

A 75 year old man need a replacement heart valve. he lives alone and cares for himself. is a mechanical or biological heart more suited for him