At the time of implantation, the human embryo is called a _____

A) blastocyst
B) gastrula
C) fetus
D) zygote


A

Biology & Microbiology

You might also like to view...

Which of the following scientist-discoveries is mismatched?

A. Watson, Crick, Wilkins, and Franklin-DNA structure B. Avery, MacLeod, and McCarty-DNA is the genetic material C. Meselson and Stahl-mechanism of DNA replication D. Griffith-chromosomes E. Hershey and Chase-DNA is the genetic material of bacteriophage

Biology & Microbiology

Evidence suggests that _____ of ______ from nucleosomes in the wake of an elongating RNA polymerase prevents the inappropriate __________ within the internal coding region of a gene.

a) addition, methyl groups, initiation of translation b) removal, acetyl groups, initiation of transcription c) removal, methyl groups, initiation of transcription d) removal, acetyl groups, initiation of translation e) addition, acetyl groups, initiation of transcription

Biology & Microbiology

The capsules of Streptococcus mutans, and the fimbriae of Neisseriae gonorrhoeae and enteropathogenic E.coli are examples of:

a. receptors b. toxins c. adhesins/ligands d. cytokines

Biology & Microbiology

Molluscum contagiosum is transmitted by direct contact with skin lesions, fomites, and sexual activity.

Answer the following statement true (T) or false (F)

Biology & Microbiology