The Ames test can help to identify carcinogens by their activity as mutagens. Which options below...
The Ames test can help to identify carcinogens by their activity as mutagens. Which options below are mechanisms by which carcinogens cause mutations in DNA.
A. by binding to DNA and directly disrupting base pairing.
B. by hybridizing punnet squares
C. by generating cross-links between DNA strands.
D. by causing double strand breaks (DSBs)
Homework Answers
Question
The carcinogens are the substance that cause cancer in the person. The mechanism through which they cause cancer by causing double stranded breaks that generate ionized ion. Hence option D is correct.
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The Ames test can help to identify carcinogens by their activity
as mutagens. Which options below...
QUESTION 3 The codon S-AUG-3' on an mRNA encodes the amino acid methionine. What is the...
QUESTION 3 The codon S-AUG-3' on an mRNA encodes the amino acid methionine. What is the corresponding anticodon found on the methionine charged tRNA? 3-UAC-5 5-UAC-3 o 3-GUA-5 5'-ATG-3 QUESTION 4 Match each cause of DNA damage with the mechanism by which it can lead to mutations. Topoisomerase is unable to function properly, and when it makes A cuts in the DNA strands these are not always repaired. This leads to a loss of nucleotides and potential frameshift mutations. In...
The following statements apply to concepts and material discussed in Chapter 15; identify which statement is TRUE....
The following statements apply to concepts and material discussed in Chapter 15; identify which statement is TRUE. Answers: A common ancestor of two species on evolutionary trees can be found at the point where the two branches meet. Humans evolved from Neanderthals about 50,000 years ago. Mitochondrial DNA is not particularly useful when trying to determine the movement pattern of humans historically across the globe. Scientists can estimate when species diverged from a common ancestor by comparing their Karyotypes. We...
Microbiology study guide questions. Please Help! s. which of the following statements about water activity is not true? a) many fungi can tolerate aw levels of 07-0.8 b) many microorganisms grow...
Microbiology study guide questions. Please Help!
s. which of the following statements about water activity is not true? a) many fungi can tolerate aw levels of 07-0.8 b) many microorganisms grow well at an aw of 0.98 e sear water has an aw of 0.98 e-xerephiles thrive in dry conditions DNA typically becomes disordered below an a of o.90 Which of the following descriptions about ribosome structure is not true? a) 80s is the size of the intact functional ribosome...
Can you please help me to find Possible test questions? Course Here.com Test #4 " Autonomic...
Can you please help me to find Possible test questions?
Course Here.com Test #4 " Autonomic Nervous System Overview of the Autonomic Nervous System (ANSH Maior Functions: maintain optimal muscle in order to maintain homeostatic state within the body Aalso is inv performance of visceral organs, glands, smooth muscle, and cardiac not under conscious control: regulates heart rate, blood pressure, MOST "effectors" (organs & tissues regulated) are visceral- r function, and secretions emperaturs smooth musele contraction, glandula most are not...
QUESTION 3 The codon S-AUG-3' on an mRNA encodes the amino acid methionine. What is the corresponding anticodon found on the methionine charged tRNA? 3-UAC-5 5-UAC-3 o 3-GUA-5 5'-ATG-3 QUESTION 4 Match each cause of DNA damage with the mechanism by which it can lead to mutations. Topoisomerase is unable to function properly, and when it makes A cuts in the DNA strands these are not always repaired. This leads to a loss of nucleotides and potential frameshift mutations. In...
Microbiology study guide questions. Please Help!
s. which of the following statements about water activity is not true? a) many fungi can tolerate aw levels of 07-0.8 b) many microorganisms grow well at an aw of 0.98 e sear water has an aw of 0.98 e-xerephiles thrive in dry conditions DNA typically becomes disordered below an a of o.90 Which of the following descriptions about ribosome structure is not true? a) 80s is the size of the intact functional ribosome...
Can you please help me to find Possible test questions?
Course Here.com Test #4 " Autonomic Nervous System Overview of the Autonomic Nervous System (ANSH Maior Functions: maintain optimal muscle in order to maintain homeostatic state within the body Aalso is inv performance of visceral organs, glands, smooth muscle, and cardiac not under conscious control: regulates heart rate, blood pressure, MOST "effectors" (organs & tissues regulated) are visceral- r function, and secretions emperaturs smooth musele contraction, glandula most are not...
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