Exam (elaborations)
BLY 101 Exam #2 questions with verified answers
- Course
- BLY 101
- Institution
- University Of South Alabama
BLY 101 Exam #2 questions with verified answers
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BLY 101 Exam #2During SCNT (somatic cell nuclear transfer) the embryo is transplanted into a surrogate mother. - correct answer ✔✔True
A reproductive mode in eukaryotes by which offspring are produced by a single parent - and involves mitosis and cytoplasmic division is called sexual reproduction. - correct answer ✔✔False
mRNA is made up of a linear sequence of genetic "words" , where each word is three bases long, called a
colon, which codes for an amino acid. - correct answer ✔✔True
The two strands of DNA are held together by hydrogen bonds between the bases pairs. - correct answer ✔✔True
Apoptosis refers to a cell that self destructs. - correct answer ✔✔True
Chromosomes that have the same shape and length and which carry the same types of genes are referred to as heterozygous chromosomes. - correct answer ✔✔False
Introns are sequences that code for proteins and they remain in mRNA even after all the modifications are made following transcription. - correct answer ✔✔False
Diploid refers to having two of each type of chromosome. - correct answer ✔✔True
A typical cell spends most of its time in mitosis. - correct answer ✔✔False
Animal cells form a cell plate before they undergo cytoplasmic division. - correct answer ✔✔False
Metastasis is the process by which malignant cells break loose from their home tissue and invade other parts of the body. - correct answer ✔✔True Genes that code for proteins that regulate through the key phase of transitions (i.e. GI to S, S to G2, etc.) during the lifecycle of a cell are called regulator genes. - correct answer ✔✔False
How many pairs of chromosomes do you have in a diploid cell (I am assuming you are healthy)? - correct answer ✔✔23
During ? single stranded molecules of RNA are assembled from DNA templates in the nucleus. - correct answer ✔✔Transcription
Which of the following statements is/are TRUE? - correct answer ✔✔Three of the above
Which of the following descriptions may be applied to DNA? - correct answer ✔✔Two of the above
Which of the following terms/phrases may be applied to RNA? - correct answer ✔✔Ribose
Which of the following statements do you agree with? - correct answer ✔✔I agree with two of the above statements.
During transcription - correct answer ✔✔A promoter signals RNA polymerase to start transcription
WHere and when does replication take place? - correct answer ✔✔The nucleus before a cell divides
Which of the following seals new gaps in the newly formed DNA strand during replication? We mentioned in lecture that this enzyme helps to "glue" the new backbone together. - correct answer ✔✔DNA ligase
The interval in the eukaryotic cell cycle during which the cell grows, roughly doubles its number of cytoplasmic components and replicates its DNA occurs during ? - correct answer ✔✔Interphase
Which of the following events occur during Prophase? - correct answer ✔✔Two of the above
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