this is 51-100

if a dna strand is 5'-GTACTACCTG-3', what is the complementary dna strand

3'-CATGATGGAC-5'

if a segment of dna contains the sequence 5'-GAT TTA ATG-3', the resulting rna must be

3'-CUA AAU UAC-5'

which of the following does not participate in transcription or translation a)dna b)mrna c)trna d)rrna e)dna polymerase

E) DNA polymerase

I. electron transport chain II. Glycolysis III. KrEbs cYCle NADH2+ and FADH2 are oxidized during a)I only b)II only c)III only d)I and III only e)I, II, and III

a) I only

Glycolysis occurs in the a)cytoplasm b)grana c)mitochondria d)both a and b e)a,b, and c

a) cytoplasm

(Bill is a male with colorblindness) If Bill marries a women who is neither colorblind or a carrier, what is the chance that their son will be colorblind a)0% b)25% c)50% d)75% e)100%

a)0%

the chemiosmotic gradient in aerobic respiration drives the process(es) of a)ATP synthesis b)carbon fixation c)electron transport chain d)photophosphorylation e)TCA cycle

a)ATP synthesis

chemiosmosis in photosynthesis occurs a)across the chloroplast membrane b)across the plasma membrane c)across the thylakoid membrane d)within the grana only e)within the stroma only

a)across the chloroplast membrane

(picture of a cell separating, chromatids at opposite poles) a)anaphase b)interphase c)metaphase d)prophase e)telophase

a)anaphase

The triplet of nucleotides of mRNA that corresponds to another unit of nucleotides in tRNA is the a)codon b)anticodon c)peripheral d)cistron e)anticistron

a)codon

During prophase I, crossing over is responsible for a)contributing to genetic diversity b)the movement of sister chromatids to opposite poles of the cell c)the formations of tetrads d)initiating the condensation of chromosomes e)recombination of two sister chromatids

a)contributing to genetic diversity

Okazaki fragments are formed on a)dna lagging strand b)dna leading strand c)mrna strand d)trna strand e)rrana

a)dna lagging strand

which of the following best represent the expression of genes a)dna-rna-protein b)dna-protein-rna c)rna-protein-dna d)rna-dna-protein e)protein-RNA-DNA

a)dna-rna-protein

which of the following sequences expresses the correct order of enzyme function in DNA replication a)helicase-primase-DNA polymerase-ligase b)helicase-primase-ligase-DNA polymerase c)helicase-praise-ligase-hydrolase d)primase-helicase-ligase-DNA polymerase e)primase-helicase-DNA polymerase-ligase

a)helicase-primase-DNA polymerase-ligase

In sexually reproducing organisms, this two-stage method of cell-division results in gametes with half the chromosome number as the original cell a)meiosis b)mitosis c)both meiosis and mitosis d)budding e)binary fission

a)meiosis

DNA replication is semiconservative process because in the double helix a)there are two strands, one from the template, and a new complementary strand b)a template molecule remains mostly intact c)there are four strands, each containing a mixture of old and new DNA d)there is only one origin of replication e)DNA polymerase can only add nucleotides to the 3' end of a molecule thereby limiting mutations

a)there are two strands, one from the template, and a new complementary strand

According to Mendel, true breeding refers to which of the following a)the offspring the inherited the dominant phenotype b)a homozygous organism c)an organism having two different alleles for a trait d)a heterozygous organism e)an organism whose pair of alleles will separate independently during gamete formation

b) homozygous organism

During photosynthesis, energized photosystems embedded in the thylakoid membranes of chloroplasts produce which of the following a)ATP and NAD+ b)ATP and NADPH c)ADP and H2O d)Sugar and O2 e)H2O and ATP

b)ATP and NADPH

Which materials are utilized during the Calvin cycle in order to reduce fixed carbon to carbohydrate? a)sunlight b)NADPH and ATP c)O2 and H2O d)glucose and ATP e)NADP+ and CO2

b)NADPH and ATP

a single strand containing phosphate, ribose, and the bases adenine, guanine, uracil, and cytosine is called a)DNA b)RNA c)enzyme d)sugar e)base

b)RNA

after mapping a chromosome, a scientist find that genes Q and R are twenty units apart, and genes R and S are ten units apart, and genes Q and S are thirty units apart. The sequence on the chromosome would be a)RSQ b)SRQ c)SQR d)QSR e)RQS

b)SRQ

Before a molecule on mRNA can leave the nucleus it must a)remove the noncoding regions called exons b)excise the introns and splice the exons together c)splice together the 5'cap and the polyA tail d)excise the exons and attach the polyA tail e)be translated by the RNA polymerase

b)excise the introns and splice the exons together

during translation, the initiation complex is composed of a)RNA polymerase, DNA molecule, and accessory proteins b)mRNA, tRNA molecule, and two ribosomal units c)DNA polymerase, mRNA molecule, and a polypeptide chain d)mRNA, an rRNA molecule, and a small ribosomal subunit

b)mrna, trna, two ribosomal subunits

The large and small subunits of a eukaryote's ribosomes are made in the a)cytoplasm b)nucleolus c)RER d)mitochondria e)Golgi apparatus

b)nucleolus

What occurs in CAM plants during the day and night a)stomata are open during the day and close during the night b)stomata are closed during the day and open during the night c)stomata are open during the day and night d)stomata are closed during the day and night e)stomata opening is not generally a function of time of day

b)stomata are closed during the day and open during the night

anticodons are part of which of the following molecules a)mRNA b)tRNA c)rRNA d)DNA e)DNA polymerase

b)tRNA

Oxygen given off by plants is derived from a)carbon dioxide b)water c)the sun d)nitrogen elements in the soil e)cell respiration

b)water

(picture of DNA strand) These run antiparallel to one another a)A and E b)A and D c)A and B d)C and D e)D and E

c)A and B

if a polypeptide chain has the amino acid sequence, Leu-arg-lys, whats the corresponding anticodons on trna

c)GGU GCU UUU

a eukaryotic cell lacking helicase during DNA replication would a)be incapable of proofreading the newly synthesized strand b)be unable to terminate elongation c)be incapable of unwinding the DNA helix d)catalyze the DNA strand at incorrect locations e)not seal the Okazaki fragments on the lagging strand

c)be incapable of unwinding the DNA helix

(picture of DNA strand) a phosphate group is represented by letter a)a b)b c)c d)d e)e

c)c

in prokaryotic cells, the transcription initiation complex binds to a)primer b)termination sequence c)promoter sequence on the dna molecule d)codon e)mrna molecule

c)promoter sequence on the dna molecule

Which of the following statements about translation is incorrect a)all three types of RNA(messenger, transfer, and ribosomal) are involved in translation b)a strand of mRNA dictates the amino acids that will be incorporated into protein c)rRNAs carry the amino acids to the mRNA strand d)the mRNA has codons which form base pairs with the anticodons on the tRNA e)protein synthesis occurs on ribosomes

c)rRNAs carry the amino acids to the mRNA strand

Discovered that molecules from the dead S strain of the bacterium Streptococcus pneumonia had genetically transformed some of the living R strain bacteria into S strain bacteria a)Alfred Hershey & Martha Chase b)Rosalind Franklin c)George Beadle & Edward Tatum d)Frederick Griffith e)Barbara McClintock

d)Frederick Griffith

I. electron transport chain II. Glycolysis III. KrEbs cYCle NAD+ and FAD are reduced to NADH2+ and FADH2 during a)I only b)III only c)I and III only d)II and III only e)I, II and, III

d)II and III only

what is released from photolysis and is also needed for aerobic respiration a)ATP b)CO2 c)H2O d)O2 e)PGAL

d)O2

(picture of DNA strand) deoxyribose is represented by letter a)a b)b c)c d)d e)e

d)d

In humans, brown eyes(B) are dominant over blue(b). If a man who is homozygous for brown eyes has children with a women who is heterozygous for blue eyes, the phenotype of their children will be a)homozygous recessive and heterozygous b)homozygous dominant and heterozygous c)heterozygous d)dominant e)recessive

d)dominant

If a cell has completed meiosis, it must be located a)in human somatic cells b)in human bone marrow cells c)in a bacteria cell d)in the gonads e)in cancer cells

d)in the gonads

Identify the structure indicated by letter C(UUU AGG AAA) a)polypeptide b)DNA c)codon d)mRNA e)nuclear envelope

d)mRNA

(This picture includes individual A and B but no one cares about B so lets ignore him. The important info is that in A at the 21st set of gene things there is 3 chromosomes instead of 2. The sec cells are also XY. That's all, bonsoir) Which of the following classifications describes individual A a)female with Klinefelter's syndrome b)male with fragile x syndrome c)female with disjunction d)male with down syndrome e)male with up syndrome, just kidding. get pranked. male with muscular dystrophy

d)male with down syndrome

the 5' end of a DNA nucleotide can be identified by the location of a)carbon b)hydrogen bonds c)nitrogenous bases d)oxygen e)phosphate group

d)oxygen

Identify the structure indicated by letter B(Leu-Thr-Leu) a)DNA b)mRNA c)tRNA d)polypeptide chain e)nucleotide chain

d)polypeptide chain

During nongrowth periods of the cell cycle, DNA exists as a)daughter chromosomes b)a tetrad of four chromatids c)a single sister chromatid d)newly formed sister chromatids e)chromatin

e)chromatin

(picture of DNA strand) hydrogen bonds that join bases of the helix together are represented by letter a)a b)b c)c d)d e)e

e)e

The interaction between genes that causes the suppression of one of the genes is called a)incomplete dominance b)codominance c)pleiotropy d)polygenic e)epistasis

e)epistasis

(imagine a picture of a chloroplast with x pointing to area where light reactions occur) During photosynthesis, letter X marks the spot for which of the following processes? a)calvin cycle, glycolysis, and ATP synthesis b)calvin cycle, electron transport chain, and photosystem I c)photophosphorylation, photosystem I, and carbon fixation d)carbon fixation, electron transport chain, and ATP synthesis e)photosystem II, electron transport chain, and photosystem I

e)photosystem II, electron transport chain, and photosystem I

In humans, the rate of glycolysis is regulated by a)negative feedback by excess ATP b)negative feedback by insufficient acetyl coA c)positive feedback by pyruvate deficiency d)positive feedback be excess O2 e)positive feedback by excess phosphofructokinase

e)positive feedback by excess phosphofructokinase

which pf the following statements best describes metastasis a)the divisions of benign tumor cells b)the transformation of tumor cells from benign to malignant c)the alteration of blood and lymph vessels d)the treatment of cancer cells with high-energy radiation e)the spread of cancer cells from their original site

e)the spread of cancer cells from their original site

Without oxygen, the electron transport chain a)will produce carbon dioxide as a final product b)will only produce water as a final product c)will not function, and the cell will undergo oxidative phosphorylation d)will produce more molecules of ATP e)will not function, and a cell will undergo fermentation

e)will not function, and a cell will undergo fermentation