In: Biology
1)
At the cellular level, Mendel’s law of segregation (alleles of the same gene segregate into different gametes) would most correspond with ______
a)No DNA replication in the interphase between meiosis I and II
B)Homologous chromosomes separate in meiosis I
C)Sister chromatids separate in meiosis II
D)DNA replication in the interphase
2)Cytosine makes up 34% of the nucleotides in a sample of DNA from an organism. What percentage of the nucleotides in this sample will be thymine?
a)16
b)58
c)8
d)42
3)If a protein’s shape changes, _____
a)it will always become positively charged.
b)it will turn into a hydrogen.
c)it becomes a lipid.
d)it may lose its function.
4)Corona virus COVID-19 uses ____ to recognize a human host cell.
a)Reverse transcriptase
B)Spike proteins on the envelop
c)RNA genome
d)DNA genome