生物
細胞生物学、遺伝学、生態学、生命科学の基礎。
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what process, and which type of resulting cells are represented? mitosi…
meiosis, gametes
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if the diploid number of carrots is 18, the haploid number is
9
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the codon (set of 3 nitrogen bases) codes for 1 of 20 rna endoplasmic r…
amino acids
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where are proteins assembled (put together) in a cell? nucleus cell mem…
Ribosome
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a human body (somatic) cell usually has how many chromosomes?
46
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what codon is represented by the stop amino acid? uaa gua aug cuc
UAA
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a is a critical point where stop and go signals can regulate the cycle …
A checkpoint is a critical point where stop and go signals can regulate the cycle.
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what part of protein synthesis does this diagram represent? rna rrna mr…
tRNA
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contains the bases adenine, uracil, cytosine and guanine
RNA
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i am arranged as a double helix or \twisted ladder\. dna rna
DNA
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in rna, uracil pairs with ______ thymine adenine guanine cytosine
adenine
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i travel outside of the nucleus. dna rna
RNA
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35/50 what are the proper complementary base - pairs for dna replicatio…
A--T and G--C
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the sugar in dna is _________________________. deoxyribose ribose
deoxyribose
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cancer is defined as the normal division of cells normal dna replicatio…
uncontrolled division of mutated cells
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what is the dna compliment of this sequence? aggcga tccgct aggcga tccct…
TCCGCT
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the mrna leaves the _________ to find the ribosome to make proteins. nu…
nucleus
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i have the sugar dioxyrilbose. rna dna
DNA
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at the end of mitosis you have _______ cells. 29/50 identical different…
identical
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what is the correct amino acid sequence for the mrna code aug - cca - g…
Met-Pro-Ala-Val
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when it occurs at the proper time, programmed cell death (apoptosis) is…
is an important regulatory process that maintains the health of a multicellular organism
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during which phase of the cell cycle does the cell spend the most time?…
Interphase
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human eggs and sperm are _______, and each has ______ chromosomes. dipl…
B. haploid, 23
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what is the three base sequence of mrna that codes for a single amino a…
Codon
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choose the sequence of the mrna strand that would be match up with to t…
CAUCAGU
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meiosis makes sperm and egg cells. in humans, sperm and egg cells each …
B. 23, 46
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what amino acid is represented by the codon uua?
Leucine
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i include the bases guanine, cytosine, adenine and thymine.
DNA
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the products of meiosis are genetically.. different. identical.
different.
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what is the location in the cell for transcription? nucleus mitochondri…
nucleus
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choose the nucleotide sequence of the mrna strand that would be complem…
CAUCAGU
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why do we need meiosis? to not change the number of chromosomes going i…
To halve the number of chromosomes going into sex cells.
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which process is shown? repiration diffusion recombination translation
translation
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the result of meiosis is: two haploid cells four haploid cells four dip…
four haploid cells
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genetic info flows in one direction. which best represents this flow? d…
DNA-RNA-protein
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i have the sugar ribose.
RNA
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i include the bases guanine, cytosine, adenine and uracil.
RNA
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6/50 the main function of trna is to... form a portion of ribosomes bri…
bring amino acids from the cytoplasm to the ribosomes
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guanine goes with ____________ guanine adnine thymine cytosine
cytosine
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which of the following best describes how dna and rna are similar? they…
they both have C and G
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2/50 i am a single strand. rna dna
RNA
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which is not one of the three types of rna? nrna (nitrogen) trna (trans…
nRNA (nitrogen)
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how many codons code for phenylalanine?
2
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what is a series of events a cell goes through as they grow and divide?…
Cell Cycle
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which enzyme is responsible for adding nucleotides? topoisomerase ligas…
DNA Polymerase
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what are the 4 nitrogen bases? adenine, thymine, cytoplasm, and guanine…
adenine, thymine cytosine, and guanine
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the process where mrna is read and made into an amino acid chain. trans…
Translation
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how many stages are in mitosis?
4
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which enzyme is responsible for gluing together the okasaki fragment on…
Ligase
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with mitosis you get ____, __________ cells, but with meiosis, you get …
2 identical, 4 different
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what is the mrna strand that would result from the dna template strand …
GGAU
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what is the complementary mrna sequence for a dna sequence of tag, cat,…
AUC GUA UUA
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during what phase of the cell cycle does the cell prepare for mitosis? …
G2 phase
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a process in which dna has the unique ability to make an exact copy of …
Replication
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dna replication results in two dna molecules, one with two new strands …
each one with one new strand and one original strand
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which amino acid pairs with the codon aga
Arg
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which of the following best describes a dna molecule? double helix cont…
double helix
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what part of the cell cycle is this cell in? mitosis interphase cytokin…
Cytokinesis
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what is the correct amino acid sequence for the mrna code aug - cca - g…
Met - Pro - Ala - Val
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which 2 molecules forms the sides (backbone) of the dna ladder? deoxyri…
deoxyribose (sugar) and phosphate
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which organelle is the location where protein is made? cytoplasm nucleo…
Ribosome
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what would be the dna code for an mrna strand that reads, \uau\?
ATA
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melosis would occur in which of these cells? brain cells skin cells liv…
sperm cells
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what is the correct amino acid sequence for the mrna code aug gca aac c…
met-ala-asn-arg
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42/75 during what phase of the cell cycle does cell division occur? int…
M phase
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nitrogenous bases are joined by which type of bond? covalent bonds pola…
C. hydrogen bonds
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during which stage of the cell cycle does mitosis and cytokinesis occur…
M phase
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the process where mrna is translated into amino acids happens in what p…
Cytoplasm
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the purpose of meiosis is to form __________ cells. somatic brain sex b…
sex
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replicate the following strand of dna: aatcatgga
TTAGTACCT
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36/75 which seq could be found in rna? augcuu acctgt cgcatt
AUGCUU
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the chromosomes that pair up during meiosis, are called ____________ ch…
homologous
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the following codon is translated into which amino acid? auu isoleucine…
Isoleucine
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during what stage does the g₁, s and g₂ phases happen? interphase m pha…
Interphase
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adenine bonds with ______________. cytosine guanine adenine thymine
Thymine
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what is the three base sequence of mrna that codes for a single amino a…
Codon
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which of the following is not a stop codon? uaa uag uga ugg
UGG
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what part of the cell cycle results in the splitting of the new cells? …
Cytokinesis
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the following codon is translated into which amino acid? aug methionine…
Methionine
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why is dna important? its in everything it serves as the blueprint for …
it serves as the blueprint for traits of all living things
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you get one homologous chromosome from your __________ and one from you…
A. dad, mom
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why would it be important to replicate dna before a cell divides in mit…
In order for genetic information to be transferred into daughter cells.
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what are the three components of a nucleotide? sugar, oxygen, nitrogen …
sugar, phosphate, nitrogen base
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crossing over helps promote ? mitosis genetic variation male genotype d…
genetic variation
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what phase is this cell in? prophase mitosis cytokinesis metaphase
Metaphase
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what phase is this cell in? anaphase interphase mitosis telophase
Telophase
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the process of going from dna to mrna is called transcription translati…
Transcription
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this molecule carries genetic information from the nucleus to the ribos…
mRNA
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which of the following units are repeatedly joined together to form a s…
nucleotides
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which enzyme is responsible for unzipping or the dna molecule when repl…
Helicase
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which part of a dna molecule is responsible for the direct coding of sp…
The sequence of nucleotide bases in the DNA molecule.
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the codon ccu codes for what amino acid? isoleucine methionine stop pro…
Proline
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put the following stages of the cell cycle in order: g2, s, g1, m. g1, …
G1, S, G2, M
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what phase is this cell in? prophase cytokinesis mitosis telophase
Cytokinesis
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what is the correct order for creating a protein? protein -> amino acid…
DNA → mRNA → tRNA → Amino Acid Chain → Protein
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a cat has a total of 40 chromosomes in its body cells. how many in its …
20
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during what phase of the cell cycle does the cell grow? cytokinesis g1 …
G1 phase
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in what phase of the cell cycle does dna replication take place?
S
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put the following stages of mitosis in order: anaphase, prophase, metap…
prophase, metaphase, anaphase, telophase
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which alternative energy source is most applicable in remote areas wher…
c. Solar energy