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answer
Increased susceptibility to disease
Answer:
B
Explanation:
The umbilical vein carries oxygenated, nutrient-rich blood from the placenta to the fetus, and the umbilical arteries carry deoxygenated, nutrient-depleted blood from the fetus to the placenta
Answer:
I believe the answer is <u>retroviruses</u>
Explanation:
Reverse transcriptase is an enzyme found in retroviruses that converts the RNA genome carried in the retrovirus particle into double-stranded DNA. Reverse transcriptase first transcribes a complementary strand of DNA to make an RNA:DNA hybrid.
Answer:
El sistema endocrino está formado por glándulas que fabrican hormonas. Las hormonas son los mensajeros químicos del organismo. Trasportan información e instrucciones de un conjunto de células a otro. El sistema endocrino influye en casi todas las células, órganos y funciones del cuerpo
Explanation:
Leaders guide others and share knowledge and leaders solve problems