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TLS Online TPP Program

#Question id: 4585

The cow Bos primigenius (which is bred for meat and milk) has a smaller brain and larger eyes than closely related wild species of ungulates. These traits most likely arose by ________.

#SCPH05 I Biotechnology

  1. natural selection, because these traits evolved in the population over time

  2. natural selection, because these traits were not consciously selected by humans

  3. artificial selection, because changes in these traits co-occurred with human selection for high milk output and high muscle content

  4. artificial selection, because these animals differ from their close relatives and common ancestor

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TLS Online TPP Program

#Question id: 6954

#SCPH01 Biochemistry

Between fertilization and the first cleavage division, actin filaments pull the cytoplasm of the frog egg toward the point of sperm entry in a process called:
TLS Online TPP Program

#Question id: 304

#SCPH01 Biochemistry

As compared to covalent compounds electrovalent compounds generally possess ___________
TLS Online TPP Program

#Question id: 2088

#SCPH05 I Biotechnology

Lipid droplets arise from the
TLS Online TPP Program

#Question id: 8915

#SCPH05 I Biotechnology

The number of legs an insect has, the number of vertebrae in a vertebral column, or the number of joints in a digit (such as a finger) are all strongly influenced by
TLS Online TPP Program

#Question id: 14140

#SCPH05 I Biotechnology

In sequence alignment by BLAST, each word from query sequence is typically _______ residues for protein sequences and _______ residues for DNA sequences.