AGRY 320 Exam 1 2024/2025 with 100% correct answers
3 views 0 purchase
Course
AGRY 320 E
Institution
AGRY 320 E
A child has two genomes in its cells and these genomes are inherited?
a. Both genomes are inherited from the father
b. One from the mother and one from the father
c. The child has more of its genome inherited from the father
d. Both genomes are inherited from the mother correct answersb. One ...
A child has two genomes in its cells and these genomes are inherited?
a. Both genomes are inherited from the father
b. One from the mother and one from the father
c. The child has more of its genome inherited from the father
d. Both genomes are inherited from the mother correct answersb. One from the mother and one from
the father
In humans, the male biological clock is ticking faster (T or F) correct answersTrue
Single nucleotide polymorphisms (SNPs) are used as a tool in Molecular Genetics for the genetic analysis
of mammalian, plant, bacterial, and viral genetic studies (T or F) correct answersTrue
In Genetics, the central dogma of molecular biology refers to the information flow between biological
materials. In this, information flows from DNA to RNA by ___________ and from RNA to protein by
____________ correct answerstranscription, translation
Which of the following is/are true for RNA compared to DNA?
a. All of the answer options are correct
b. RNA has ribose sugar in its nucleotides, rather than the deoxyribose found in DNA
c. RNA is usually single stranded and can make more complex three-dimensional molecular shapes than
double-stranded DNA
d. RNA contain the bases A, G, C, and U, whereas DNA contain the bases A, G, C, and T correct answersa.
All of the answer options are correct
A single strand of DNA has a helical structure (T or F) correct answersFalse
,The three requirements for a heritable molecule that are met by DNA are the ability to store ______ ,
the ability to be _________, and the ability to ____________. correct answersinformation, replicated,
mutate
DNA replication happens in both directions in a replication bubble (T or F) correct answersTrue
DNA Polymerases are exceedingly accurate when synthesizing a new DNA strand because they have a
exonuclease proof reading function (T or F) correct answersTrue
In DNA replication, replication of the leading strand takes place in a smooth _________ manner while
replication of the lagging strand occurs in a ______________ manner due to the need for a RNA primer
correct answerscontinuous, discontinuous
The ability of large genomes to rapidly replicate is due to the presence of thousands of origins of
replication ( T or F) correct answersTrue
Which person first discovered the principle of inheritance of discrete factors?
a. Stahl
b. Morgan
c. Chargoff
d. Mendel correct answersd. Mendel
RNA is synthesized....
a. constitutively or constantly
b. only during cell division
c. and then resides exclusively in the nucleus
d. as a double stranded molecule correct answersa. constitutively or constantly
DNA, unlike RNA, is capable of catalyzing reactions (T or F) correct answersFalse
, The ability of RNA to form three-dimensional structures such as stem loops and other secondary and
tertiary structures can be a significant part of an RNAs ability to be a functional molecule ( T or F) correct
answersTrue
Non-coding RNAs (ncRNAs) are involved in: protein synthesis, RNA processing, regulation of gene
expression, genome defense.
a. All of the above
b. None of the above correct answersa. All of the above
Transcription initiation is important because it is the _________ in synthesizing an RNA transcript
a. Last step
b. 1st Step
c. 2nd Step
d. Middle Step correct answersb. 1st Step
When you see a DNA sequence, the convention is to show the template strand sequence of the DNA
because it is that sequence which is in the messenger RNA (T or F) correct answersFalse
The definition of a gene includes the promoter region and the coding sequence region (T or F) correct
answersTrue
Transcription initiation occurs at very specific locations within prokaryotic genes and the ability to have
these specific start sites requires __________ in the promoter region for the sigma factors and the RNA
polymerase to recognize and bind to before transcription is initiated
a. a PolyA sequence
b. only a TATAAT box sequence
c. uracil in the sequence of the
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller QUILLSKY. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.99. You're not tied to anything after your purchase.
