Benchmark 3 Review 1: Question Preview (ID: 30319)


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If you play classical music while studying, you will get higher test scores. What is the independent variable?
a) playing classical music
b) studying
c) how long you study
d) getting a higher test score

If you play classical music while studying, you will get higher test scores. What is the dependent variable?
a) getting a higher test score
b) playing classical music
c) studying
d) where you study

Which organelle breaks down food for energy?
a) mitochondria
b) chloroplast
c) cell membrane
d) vacuole

Uncontrollable cell growth is called
a) cancer cells
b) interphase
c) mitosis
d) apoptosis

This type of protein that speeds up chemical reactions is called
a) carbohydrates
b) enzymes
c) amino acids
d) DNA

A cell is placed into a solution. After 24 hours, the cell enlarges and bursts. What type of solution was it placed in?
a) hypertonic
b) isotonic
c) hypotonic
d) acidic

Which macromolecule has the elements C, H, and O?
a) lipids
b) carbohydrates
c) proteins
d) nucleic acids

Which organelle allows materials to enter or leave the cell?
a) cell membrane
b) cytoplasm
c) vesicle
d) mitochondria

What type of transport moves molecules from a low to high area of concentration using energy?
a) passive transport
b) osmosis
c) diffusion
d) active transport

A human karyotype shows 47 chromosomes with the sex chromosomes being XX. This person is
a) a female with a genetic disorder
b) a male with a genetic disorder
c) a normal female
d) a normal male

Yellow seeds are dominant to green seeds in pea plants. If both parents are heterozygous what are the chances (in fraction) that the offspring will have yellow seeds?
a) 1/4
b) 2/4
c) 3/4
d) 4/4

If you play classical music while studying, you will get higher test scores. What is the control group?
a) Group playing classical music while studying
b) Group not playing classical music while studying
c) Group getting a higher test score
d) Group getting a lower test score

Crossing over takes place during this phase?
a) cytokinesis
b) metaphase
c) anaphase 2
d) prophase 1

Freckles (F) are dominant to not having freckles. Widow's peak (W) is dominant to not having a widow's peak. What is the genotype for not having freckles and having a widow's peak?
a) ffww
b) FfWw
c) ffWw
d) Ffww

Which of the following is a true statement describing DNA or RNA?
a) RNA has the nitrogen bases A, T, C and G
b) RNA is double stranded
c) DNA is double stranded
d) DNA has the sugar ribose

Which organelle does transcription take place?
a) mitochondria
b) nucleus
c) ribosome
d) cell membrane

What type of RNA is used during transcription?
a) mRNA, tRNA, and rRNA
b) tRNA
c) mRNA and tRNA
d) mRNA

Translate the following mRNA AUG UCU UAC AAG CAU
a) Met Ser Tyr Lys His
b) Met Phe Ile Arg Gly
c) Met Cys Trp Tyr Stop
d) Met Asp Glu Stop His

Find the complementary DNA bases for this DNA strand ATC GGA TCT CCC ATC
a) TAG CCT AGA GGG TAG
b) ATC GGA TCT CCC ATC
c) UAG CCU AGA GGG UAG
d) AAG CGA TAC CGA TTT

A straight pinky (S) is dominant to a bent pinky. Dimples (D) are dominant to not having dimples. What are the chances (in fraction) that offspring would have a bent pinky and no dimples if their parents were heterozygous for both traits?
a) 1/16
b) 3/16
c) 9/16
d) 16/16

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