Newly formed sperm cells pass through the seminiferous tubules to the

An R loop experiment was performed on two different mRNAs. The first showed one R loop, while the second showed two R loops separated by a region of double-stranded DNA. What is the composition of these two mRNA's?

If the mutations and transposons happened in mitosis, would there be a lasting effect?

What is the importance of the villi in the small intestine

What does the moon have all over it? A Craters B Volcanoes C Lakes

How do both asexual and sexual reproduction allow for the survival of a species?

Isaac watched a movie where a tsunami washed across the coastline. He related the incident to the geology of the ocean he learned at the school. Which geological phenomenon did Isaac relate to? A. plate tectonics B. upwelling C.

How do mutations affect an organism? A. they may cause the development of a disease-causing allele B. they may cause the development of a more beneficial allele C. they, in some cases, may have no noticeable affect D. all of the above

Scientists make two types of observations that can be either

Of the following muscle types, which has the longest muscle cells and has obvious stripes called striations? Of the following muscle types, which has the longest muscle cells and has obvious stripes called striations? a. cardiac muscle b.

Maya made the diagram below to represent ultraviolet rays, radio waves, gamma rays, and infrared rays based on their properties. Four waves labeled A, B, C, and D are shown.