Use the drop-down menus to complete the statements. All of the chromosomes line up along the middle of the cell during. The nuclear membrane disappears during. DNA condenses to form chromosomes during.

At how many positions are the amino acids the same between the two species?

Golgi blank and blank proteins for export out of the cell

What is the function of periderm?

Scientists have successfully transformed bacteria with human genes. Describe one current use of the technology in medicine.

19. Which of the following describes the route of urine out of the body after it leaves the kidney? A. renal vein, bladder, urethra, ureter B. ureter, urethra, bladder C. renal vein, ureter, bladder, urethra D. ureter, bladder, urethra E.

Forest elephants in Africa have been confirmed as a different species from the larger savanna elephant seen here. Scientists believe the savanna elephant is as different from the forest elephant as Asian elephants are from woolly mammoths.

What competitive processes or forces are ever-present during a star's lifetime?

Which occurs during transcription? A. DNA is copied to create a second DNA strand. B. mRNA codons and tRNA anticodons assemble amino acids. C. DNA is unzipped with the aid of DNA polymerase. D. mRNA is synthesized from a strand of DNA.

In a beach ecosystem, what can limit growth of organisms? A. ocean and rocks B. oxygen C. abundant food source D. moderate temperatures

What process do the arrows for oxygen going in and water coming out represent in the Figure 9-2 diagram of the mitochondria?