Which objects are often preserved as carbon films?

fish bones

dinosaur eggs

worm burrows

Which phrase best describes a process represented in the diagram below fertilizated egg and multicelluar organism?

Would carbon-14 or uranium 235 be better to use in dating a fossil from Precambrian

Plants, through the process of photosynthesis, use solar energy to produce the end product glucose. Since energy is used here, what type of reaction is photosynthesis? Endergonic reaction Exergonic reaction Reversible reaction

Neither whales nor pythons have hind legs, but both have internal remnants of legs and hip bones. Snakes and whales must have

Regarding the absorptive (fed) state, read each of the scenarios below. Then click and drag them into the appropriate category to identify whether each pertains to carbohydrates, fats, or amino acids.

Why is it necessary to cool a hot supersaturated solution slowly during a recrystallization?

Name the two energy-equivalent molecules that contain three phosphates as part of their structure. what makes these two molecules different? how many high energy phosphate bonds do they contain? nutrition

During what period of time has the sunbelt region of the u. s. grown most quickly?

The axial skeleton includes the A) vertebra, skull, and ribs B) hip bones, knees, and feet C) shoulder bones, elbows, and hands D) bones of the fingers and toes

After transcription, nuclear RNA is capped, polyadenylated, spliced. After successful splicing, proteins are added to the mature mRNA at the exon junction complex and then transported to the cytoplasm.