Brca-1 is associated with which cancer?
a) breast
b) thyroid
c) nerve
d) leukemia

The correct answer is A. Breast

Explanation:

BRCA-1 that stands for Breast Cancer Type 1 Susceptibility Protein is a tumor suppressor gene and protein related to breast cancer. This means, BRCA-1 can stop cells from developing into cancer, although the function of this gene can change and even be suppressed and thus, cancer might develop due to this. BRCA-1 is located in chromosome 17 in humans and act in cells by repairing DNA or in some cases destroying it, which stop possible mutation that can lead to cancer. Due to this, it is believed by studying BRCA-1 and the correct function of it or possible mutation it might be possible to know the risk for breast cancer in individual as well as detecting first stages of Breast Cancer. Thus, BRCA-1 is mainly related to Breast Cancer.

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .