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BIO 101 Final
second half of bio 101 semester
Question | Answer |
---|---|
Systematics is the study of ________ | categorizing organisms into groups |
The Domains were established when Carl Woese examined | ribosomal RNA sequences |
The endosymbiont theory describes how what organelles came to be? | Mitochondria and Chloroplasts |
The fossil records show the first forms of life at ____ years ago | 3.5 billion |
The oldest eukaryotic fossils are _____ years old | 2 billion |
Archea are on the same branch of the phylogenetic tree as ____ | eukaryotes |
The genetic code is read by ______ | tRNA |
A single base deletion would result in a _____ | frameshift mutation |
How many codons are there? (including stop codons) | 64 |
Transcription is terminated at _____ | terminators |
RNA synthesis is called ________ | transcription |
RNA synthesis is catalyzed by _____ | RNA polymerase |
If a man with type O blood had a child with a woman with type A blood, the child's blood type will be ________ | Type A or Type O |
If a man with type A blood mates with a woman with type B blood, their child will have ________ | any blood type including type O |
If your blood type is O-, you can receive blood transfusions from ___ donors | only O- |
Undifferentiated cells are called ______ | stem cells |
Which type of disease condition may be treated by gene replacement therapy? | a nonfunctional enzyme |
What makes a good donor of stem cells for research and treatment? | embryos from invitro fertilization |
Pharming is ______ | using GMO's to produce drugs |
Evolution works at the level of _______ | populations |
A change in the allele frequency in a population is ____ | microevolution |
Speciation is _______ | macroevolution |
When you take an antibiotic and kill most of the sensitive organs, leaving the resistant ones, ______ takes place | microevolution |
What is a reduction division? | Meiosis I |
When diploid cell goes through meiosis, _____ are produced | 4 haploid cells |
How many different gametes can a human form without considering crossing over? | 2^23 |
What is the relationship between homologous chromosomes? | They have the same genes but may have different alleles |
If you flip a coin 4 times and get heads every time, what is the probability that you will get heads again? | 50% |
What cause of extinction poses the most serious threat to biodiversity today? | habitat degradation |
What trophic level would include a dairy cow? | primary consumer |