19) Through scientific research, genetic technologies have advanced the study of gene sequences. Which is a main benefit of gene therapy technology? a. The ability to cure genetic diseases by replacing defective genes
b. The ability to genetically design organisms that have never existed
c. Understanding how human genes turn on and off to make carbohydrates
d. Making genetically superior plants and animals to benefit the entire world.

This is true hope this

Centriole.centrioles are present in animal cells but are usually absent in plant cells.

This is s cute awee : (( . well if she's showing you signs that she may like you , then shoot your shot ! don't be afraid . & if you're unsure that she's giving you these signs , then wait out for a little bit . most girls are different . some may act really sweet , but only bc you're a good friend of hers . that , or she might like you . you just never know . but i think you should sit down with her & tell her how you feel . but don't be awkward & shy . just be straight up & tell her how you feel . if the feelings aren't mutual , then don't cry about it . you need to respect her decision & look for others in the world . feelings can be difficult & confusing , but don't be afraid to show them . i say you play it out & if you're still unsure about it , talk to her . - rach