This means that the fertilized egg has implanted in the fallopian tube and is growing outside of the uterus. An ectopic pregnancy occurs when the fertilized egg settles and grows in any location other than the inner lining of the uterus. Most of these cases occurs in the Fallopian tube (tubal pregnancy). If untreated ectopic pregnancy can be a medical emergency.
Yes. At the top of the hill they have potential energy. while riding down the hill the bike will pick up speed.
Answer: Scientists who study evolution may want to know whether two present-day species are closely related. Evidence for evolution can be structural, genetic, or bio geographical. Fossil skeletons of horse relatives dating from various time periods. ... of fossils and living species may tell us how modern organisms evolved. so D
Explanation:
Cell walls made of cellulose are present in plant cells. Human cells (skin, fingernails, muscle, etc.) do not have cell walls. Both plant and human fingernail cells have ribosomes and mitochondria. There are no cilia on either of the cells. Therefore, answer C is correct. Hope this helps! :)
As I had said before, but was deleted, the amino acid was Histidine, this is known because of the codon is CAU, and is found from various tables that show the codons and their corresponding amino acids.