Midterm Review Question Preview (ID: 28953)
Midterm Review 3.
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Which macromolecules are organic?
a) carbohydrates
b) proteins and lipids
c) all of the macromolecules
d) carbohydrates, proteins, and nucleic acids
Dimples (D) are dominant to not having dimples and freckles (F) are dominant to not having freckles. Which genotype represents no dimples but having freckles?
a) ddff
b) ddFf
c) DdFf
d) DDff
If a cell is placed into a hypotonic solution, what will happen to the size of the cell?
a) It will enlarge.
b) It will shrink.
c) Nothing will happen to the cell.
d) Water will move into and out of the cell.
Which of the following is not true about mitosis and meiosis?
a) Mitosis divides prokaryotic cells and meiosis divides eukaryotic cells.
b) Crossing over occurs in meiosis but not in mitosis.
c) Mitosis goes through cell division once and meiosis goes through cell division twice.
d) Mitosis produces 2 genetically identical cells and meiosis produces 4 genetically different cells.
A potato is placed in a salt water solution. After 20 minutes the potato has shriveled up. What happened to the cells inside the potato?
a) Since it was placed in a hypertonic solution, the water left the cells and went into the environment.
b) Since it was placed into a hypotonic solution, the water left the cell and went into the environment.
c) Since it was placed into a hypotonic solution, the water entered the cells in the potato.
d) It was placed in an isotonic solution. The water entered the cells of the potato.
Which macromolecule has carbon, hydrogen, oxygen, nitrogen, and phosphorus?
a) lipid
b) nucleic acid
c) carbohydrate
d) protein
Enzymes are an example of proteins which have monomers (building blocks) called?
a) amino acids
b) fatty acids
c) monosaccharides
d) nucleotides
A cell is seen to reproduce quickly, lack a nucleus, and is small in size. What type of cell is described?
a) eukaryotic cell
b) plant cell
c) prokaryotic cell
d) animal cell
A human somatic cell is a __________ cell and has _____ chromosomes
a) diploid; 46
b) diploid; 23
c) haploid; 23
d) haploid; 46
Which organelles are found only in a plant cell but not in an animal cell?
a) chloroplast and cell wall
b) nucleus and cell membrane
c) mitochondria and ribosome
d) cell membrane and large vacuole
A human gamete is a __________ cell and has _____ chromosomes
a) haploid, 23
b) haploid, 46
c) diploid, 23
d) diploid, 46
Which phase does the cell duplicate DNA and check for errors before dividing?
a) cytokinesis
b) interphase
c) mitosis
d) prophase
Which phase of mitosis do you see chromosomes being pulled away from each other?
a) telophase
b) anaphase
c) prophase 1
d) meiosis
Which phase of mitosis shows the chromosomes lining up at the center of the cell?
a) cytokinesis
b) interphase
c) anaphase
d) metaphase
What are the phases of mitosis in order?
a) prophase, metaphase, anaphase, and telophase
b) interphase, mitosis, and cytokinesis
c) interphase, meiosis 1, meiosis 2, and cytokinesis
d) prophase, metaphase, anaphase, telophase, and cytokinesis
Dimples (D) are dominant to not having dimples and freckles (F) are dominant to not having freckles. If two parents are heterozygous for both dimples and freckles how many offspring (in fraction) will have dimples and freckles?
a) 9/16
b) 3/16
c) 12/16
d) 1/16
Blood type is an example of which inheritance pattern?
a) Complete dominance because the A allele is dominant to the B allele.
b) Codominance because the A allele and B allele are dominant together.
c) Incomplete dominance because the parents alleles are blended in the offspring.
d) Complete dominance because the B allele is dominant to the A allele.
Round seeds (R) are dominant to wrinkled seeds. Tall stems (T) are dominant to short stems. What is the phenotype of a plant that is Rrtt?
a) Round seeds and tall stem
b) Wrinkled seed and short stem
c) Round seeds and short stem
d) Wrinkled seed and tall stem
A long tailed dog and a short tailed dog mate and the offspring has a medium lengthened tail. What type of inheritance pattern is shown?
a) Complete dominance because long tails are dominant to short tails in dogs.
b) Codominance because the parents' traits are blended in the offspring.
c) Codominance because short tails are dominant to long tails in dogs.
d) Incomplete dominance because the parents' traits are blended in the offspring
Purple flowers are dominant to white flowers. What are the parents genotypes if they produce 75% purple flowers and 25% white flowers?
a) Tt and Tt
b) TT and Tt
c) Tt and tt
d) TT and tt
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