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Q 1/40
Score 0
In humans, where does DNA replication take place?
30
Ribosome
Cytoplasm
Vacuole
Nucleus
Q 2/40
Score 0
RNA from a bear is compared to RNA from a sunflower. Both will contain the
30
sugar ribose and the base thymine
sugar deoxyribose and the base thymine
sugar ribose and the base uracil.
sugar deoxyribose and the base uracil
40 questions
Q.
In humans, where does DNA replication take place?
1
30 sec
Q.
RNA from a bear is compared to RNA from a sunflower. Both will contain the
2
30 sec
Q.
A scientist is doing an experiment to identify different molecules. Some components of these molecules are listed in this table. Which of the four molecules is DNA, based on the table below?
3
30 sec
Q.
A DNA nucleotide could contain the following molecules:
4
30 sec
Q.
Use the diagram below AND your knowledge of biology to answer this question. Structures 3 and 4 are held together by
5
30 sec
Q.
In nucleotides, the letters A, G, C, and T represent
6
30 sec
Q.
The cellular process of creating two new DNA molecules from one original copy is called replication. Which statement is the BEST description of this process?
7
30 sec
Q.
Which part of the nucleotide below is labeled #1?
8
30 sec
Q.
Which part of the nucleotide below is labeled #2?
9
30 sec
Q.
Which part of the nucleotide below is labeled #3?
10
30 sec
Q.
Replicate the following strand of DNA by selecting its complementary strand below.
ATCTTGCAAAGGCT
11
30 sec
Q.
The molecule copied directly from DNA is represented by number .
12
30 sec
Q.
What is an example of a molecule produced by the process shown below?
13
30 sec
Q.
Structure number 2 represents a .
14
30 sec
Q.
The bond represented by number 5 is a ____ bond.
15
30 sec
Q.
If a portion of a messenger RNA molecule contains the base sequence A-A-U, then the corresponding anti-codon on the tRNA base sequence is .
16
30 sec
Q.
The sequence of ________________ in a DNA molecule determines the protein that will be produced.
17
30 sec
Q.
During _____________, the cell uses information from messenger RNA to make polypeptides
18
30 sec
Q.
How many amino acids are coded for by the strand of mRNA shown here? Assume the reading frame begins with the first nucleotide.
A U G U A C
19
30 sec
Q.
During protein synthesis, what does mRNA do?
20
30 sec
Q.
What is the central dogma of genetics / biology?
21
30 sec
Q.
If mRNA is mutated during transcription, then it may copy the instructions wrong and thus could result in the wrong polypeptide (and eventually protein) being made.
22
30 sec
Q.
Select the best word to complete the following statement.
tRNA brings amino acids to the
23
30 sec
Q.
Select the best word to complete the following statement.
tRNA has
24
30 sec
Q.
Select the best word to complete the following statement.
tRNA transfers amino acids during
25
30 sec
Q.
Select the best word to complete the following statement.
The step of protein synthesis that occurs in the cytoplasm is
26
30 sec
Q.
Translate the RNA sequence on your answer sheet to form a protein. Make sure to start translating at the start codon! Use the genetic code below to help you.
U A U A U G A A A C G C U A C C G A U A A G U C U G A
27
30 sec
Q.
A sperm cell of an octopus has 14 chromosomes. What is the total number of chromosomes that should be present in a stomach cell of the same octopus?
28
30 sec
Q.
The distribution of chromosomes in one type of cell division is shown in the diagram below. Which process is being represented in the diagram?
29
30 sec
Q.
Which letter(s) in the diagram pictured below correspond to cells that are haploid?
30
30 sec
Q.
Compared to the number of chromosomes contained in a body cell, how many chromosomes would normally be contained in a gamete?
31
30 sec
Q.
In which phase of meiosis would certain gene segments of the homologous pairs of chromosomes "crossover" and exchange genetic information?
32
30 sec
Q.
Which cells are NOT formed during meiosis?
33
30 sec
Q.
Two similar chromosomes that you inherit from your parents (one from your mother and one from your father) are called
34
30 sec
Q.
Which event takes place during anaphase II of meiosis?
35
30 sec
Q.
Somatic cells in humans contain ____ chromosomes and an example is ______.
36
30 sec
Q.
Sister chromatids line up in the middle of the cell single file during which phase?
37
30 sec
Q.
What is the number of chromosomes for haploid corn cells?
38
30 sec
Q.
If a mosquito cell had 3 chromosomes, would that cell be diploid or haploid?
39
30 sec
Q.
The purpose of meiosis is to make identical body cells for growth and repair.
The purpose of mitosis is to make genetically unique haploid sex cells.
