Biology Mid-Term Exam
RNA contains sugar known as _____. A deoxyribose B ribose C ribbon D detoxose
A
Cells that need more energy would need more of ___ organelles. A. nucleus B. mitochondria C. centrioles D. golgi apparatus
B
An electronic microscope can magnify an object about 500,00 times. How does this magnification compare with the magnification of a compound light microscope? A. 500 times lower B. 100 times lower C. 100 times higher D. 500 times higher
D
Because the gene for red-green color blindness is located on the X chromosome, it is normally not possible for a ___. A carrier mother the gene on to her daughter B carrier mother to pass the gene on to her son C color blind father to pass the gene on to his daughter D color blind father to pass the gene on to his son.
D
If a cell contains a nucleus, it must be a(n) ____ cell. A. animal B. prokaryotic C. plant D. eukaryotic
D
A dog's phenotype can be determined by ____. A looking at the dog's parents B examinging the dog's chromosomes C mating the dog and looking at its offspring D looking at the dig E None of the above
A
A mouse with the genes BB would have ___ hair. Black hair B is dominant to white hair b. A black B white C mixed black and white D cannot be determined
A
A mouse with the genes Bb would have ___ hair. Black hair B is dominant to white hair b. A black B white C mixed black and white D cannot be determined
A
A white mouse whose parents are both white produces only brown offspring when matted with a brown mouse. The white mouse is probably ____. A homozygous recessive B heterozygous C homozygous dominant D haploid
A
Chloroplasts are organelles that convert light energy to sugars. These organelles are found only in plants. Which organelles are found only in animals? A. golgi apparatus B. lysosomes C. mitochondria D. ribosomes
A
Every three nucleotides codes for a specific amino acid. They are known as ____. A base pairs B sequences C codons D purines E pyrimidines
A
Genetics is the study of _____. A traits B chromosomes C DNA D cell parts E heredity
A
IN mink, brown fur color is dominant to silver-blue fur color. If a homoxygous brown mink is mated with a silver-blue mink and 8 offspring are produced, how many would be expected to be silver-blue? A 0 B 3 C 6 D 8
A
In chickens, rose comb (R) is dominant to single comb (r). A homozygous rose-combed rooster is mated with a single-combed hen. All of the chicks in the F1 generation were kept together as a group for several yaer. They were only allowed to mate within their own group. What is the expected phenotyp of the F2 chicks? A. 100% rose comb B. 75% rose comb and 25% single comb C. 100% single comb D. 50% rose comb and 50% single comb
A
Prokaryotes divide by binary fission, a form of asexual reproduction in which... A the nucleus divides into two nuclei B the number of chromosomes in the cell are reduced C a cell divides into two cells with identical genetic information D spindle fibers attach to the poles of the cell
A
RNA has ____ strand(S). A one B two C three D four E five
A
Recessive genes are always written with a ____ A small letter B large letter C cursive D trait E 2 numbers
A
This is a diagrammed family history that is used to study inheritance patterns of a trait through several generations and that can be used to predict disorders in future offspring. A pedigree B genotype C punnett square D monohybrid cross
A
This organelle is found in plants and is the area for photo synthesis A. chloroplast B. vacuoles C. lysosomes D. mitochondria
A
This organelle is found in plants, fungi, and almost all bacteria. It is made of different pareials. In plants, it is composed of cellulose. A. chloroplasts B. cell wall C. centrioles D. vacuole
A
This organelle is the site of protein synthesis. A. ribosomes B. lysosomes C. centrioles D. cholorplast
A
This organelle manufactures proteins and is found on the endoplasmic reticulum, mitochondria and in freely within the cell A. ribosome B. nucleus C. vacuole D. golgi apparatus
A
To which domain does the American black bear belong? A animalia B carnivora C chordata D eukarya
A
What is a major difference between facilitated diffusion and active transport? A. Active transport move substances against the concentration gradient. B. Active transport uses proteins in the process C. Facilitated diffusion moves molecules through the plasma membrane D. Facilitated diffusion requires large amounts of energy
A
When comparing prokaryotic to eukaryotic cells, this type of cell is significantly smaller. A. prokaryotic B. eukaryotic
A
Which of the following Kingdoms is not included in the Domain Eukarya? A bacteria B fungi C plantae D protista
A
Which of the following is an example of passive transport> A. endoskeleton B. exocytosis C. facilitated diffusion D. Na*/K* ATPase pump
A
Which of the following metabolic pathways is anabolic? A. photosynthesis B. respiration C. breakdown of actin in muscels D. alcohol fermentation
A
Purine have two rings of carbon imagine Adams and include all the following except _____. note there may be more than one answer A adenine B guanine C uracil D thymine E cytosine
A and B
Changes that occur during an experiment are compared with a _______. A. control group B. variable C. experimental group D. hypothesis
A. control group
Living things maintain a constant and steady internal environment (ex. humans having a temperatures of 98.6 degrees). This process is known as ________. A. homeostasis B. growth and development C. energy D. heterostasis E. Kinesis
A. homeostasis
Which of the following DNA bases TAGGACCCCTAATGA matches up with the DNA bases below?
ATCCTGGGGATTACT
A mouse with the genes bb would have ___ hair. Black hair B is dominant to white hair b. A black B white C mixed black and white D cannot be determined
B
A stem cell has potential medical uses because it ... A undergoes mitosis B is not specialized in structure and function C is similar to a cancer cell, providing a study system D undergoes apoptosis
B
A true-breeding tall pea plant is crossed with a true-breeding short pea plant, and all the offspring are tall. What is the most likely genotype of the offspring asuming a single-gene trait? A tt B Tt C TT D TT or tt
B
Cilia and flagella are used to move cells through watery environments. What role do these cell parts play on stationary cells? A. they hold neighboring cells in a fixed position B. They move substances along the surface of the cell C. They protect the cell by whipping at harmful cells D. They transmit waste materials away from the cell
B
DNA has ___ strands. A one B two C three D four E five
B
Dominant genes are always written with a ___ A small letter B large letter C cursive D trait E 2 numbers
B
If 2 heterozygous individuals are crossed, what percent of their offspring are also expected to be heterozygous? A 0 B 50 C 75 D 100
B
Photoautotrophs use ___ in order to acquire energy and nutrients. A inorganic compounds B photosynthetic bacteria C animals and plants D salt
B
This genetic disorder impairs the body's ability to control blood clotting A sickle cell anemia B hemophilia C cystic fibrosis D albinism
B
This organelle controls homeostasis and cibtriks what goes into and out of the cell. A. cell wall B. cytoskeleton C. lysosomes D. plasma membrane
B
This organelle digest worn out cells, ciruses and bacteria. A. ribosomes B. lysosomes C. centrioles D. chloroplast
B
This organelle is the larges, central area of the cell and contains DNA. A. endoplasmic reticulum B. nucleus C. vacuole D. Golgi apparatus
B
This projection is a structure used for locomotion and is hair-like. A. lysosomes B. cilia C. flagella D. centrioles
B
This scientis who first described living cells as seen through a simple microscope was ____. A. Schlseiden B. van Leeuwenhoek C. Hooke D. Schwann
B
Two healthy parents produce a child with the genetic disorder of sikle cell anemia, which is the result of a recessive gene. What would be the best explanation for this inheritance? A this is not the result of a genetic disorder B both parents carried the recessive gene for sickle cell C sickle cell is a chromosomal mutation that occurred during development D sickle cell is caused by a mutation in the 21st pair of chromosomes
B
Which characteristic is being displayed when a species changes to adapt to the environment? A. growth and development B. evolution C. homeostasis D. energy use E. cells
B
Which domain includes organisms that are called extremophiles? A animalia B archaea C bacteria D eukarya
B
Which of the following is the most general taxon? A genus B kingdom C phylum D species
B
Which statement is true about bacterial cells? A. the cells are very large B. the cells have no nucleus C. they are eukaryotes D. they have organelles
B
____ refers to a one-celled living organism while ____ refers to a living organism made of more than one cell. A. sexual, asexual B. unicellular, multicellular C. asexual, sexual D. multicellular, unicellular
B
in the pairing of DNA nitrogen bases which of the following is a true statement: A Thymine attaches to adenine and guanine B thymine atratches to adenine and guanine stretches ti cytosine C adenine attatxjes to guanine and cytosine attatches to thymine D cytosine attatcjes to guanine and uracil E Uracil attatches to adenine and guanine attaches to cytosine
B
Pyrimidines have one ring of carbon and nitrogen Adams and include all the following except ___. A adenine B guanine C uracil D thymine E cytosine
B C E
The recorded measurements taken during an experiment are _____. A. conclusion B. data C. variables D. objective E. variable
B. data
Do not taste, touch or smell any regents or chemicals (unless instructed), you should always ____ the air in front of you. A. smell B. waft C. taste D. fan
B. waft
A cross between a white rooster and a black hen results in 100% blue Andalusian offspring. When two of these blue offspring are mated, the probable phenotypic ratio seen in their offspring would be ___. A. 100 blue B. 75 black, 25 white C. 75 blue, 25 white D. 25 black, 50 blue, 25 white
C
Genes that do not show their traits even though they are present are ___. A pure B dominant C recessive D heterozygous E homozygous
C
He is known as the Father of Genetics. A. RC Punnett B. Charles Darwin C Gregor Mendel D Alfred Hershey E Martha Chase
C
Ribosomal RNA's main job is to ___ A create a protein B destroy a protein C make a ribosome D transcribe the copy of DNA E transport the amino acid to make a protein
C
The four nitrogen bases found in DNA include all the following except ____. A phosphate B sugar C hydrogen bond D nitrogen bond E deoxyribose
C
This organelle digests and recycles worn out cell parts. A. ribosomes B. golgi apparatus C. lysosomes D. mitochondria
C
This organelle is found freely throughout the cytoplasm, in the nucleus, mitochondria and the rough E.R. A. golgi apparatus B. vacuole C. ribosomes D. lysosomes
C
This organelle is where ATP (fuel for the cell) is formed. A. endoplasmic reticulum B. nucleus C. mitochondria D. golgi apparatus
C
This organelle packages and stores protein and lipids. A. chloroplast B. Golgi apparatus C. vacuous D. mitochondria
C
This organelle stores water, waste, and nutrients. A. golgi apparatus B. nucleus C. vacuole D. endoplasmic reticulum
C
This structure is used for locomotion of the cell that is tail-like. A. lysosomes B. cilia C. flagella D. centrioles
C
What are the Domain and Kingdom of a paramecium? A domain- bacteria kingdom- eubacteria B domain- archaea kingdom- plantae C domain- eukarya kingdom- protista D domain- archaea kingdom- protisita
C
What is cancer caused by? A cell membrane damage B metabolic poisoning C mutation D immune-system damage
C
Which character distinguishes Fungi from Plantae? A presence of membrane-bound organelles B presence of membrane-bound nucleus C cell walls with chitin D multicellular
C
Which of the following is a taxon of related phyla or divisions? A class B domain C kingdom D order
C
Which of the following lists the taxa from the broadest to the most specific? A domain kingdom class order phylum family genus species B species genus family order class phylum kingdom domain C domain kingdom phylum class order family genus species D phylum kingdom class family order genus domain species
C
Which statement is a fundamental principle of the cell theory? A. all cells have a plasma membrane B. Eukaryotic cells are larger than prokaryotic cells C. Living organisms are composed of cells D. The genetic material in cells in DNA
C
You are collecting samples at a lake. You find a protist that is unicellular, has cilia all around it, and a deep oral groove. This organism can be classified as a(n) A amoeba B euglena C paramecium D slime mold
C
If you cut yourself, spill a chemical on yourself, or receive a burn you should _____. A. run hot water on the affected area and do not tell the instructor B. run cold water on the affected area and do not tell the instructor C. run cold water on the affected area and tell the instructor D. run hot water on the affected area and tell the instructor
C.
A biologist studies ___. A. necrotic tissue B. planets C. living and once-living things D. minerals E. rockets
C. living and once living things
In order for scientist to define living thinks the organism must have all of the following characteristics, EXCEPT: A. adapt & evolve B. use of energy C. locomotion or movement D. 1 or more cells E. reproduce
C. locomotion or movement
Which of the following the the correct way to write the scientific name of the Northern cardinal?
Cardinalis cardinalis
A child is diagnosed with a rare genetic disease. Neither parent has the disease. How might the child have inherited the disorder? A the disorder is dominant and was carried by a parent B the disorder is recessive and carried by both parents C the disorder is sex linked and inherited only from the father D the disorder could occur only as a nutation in the child because e=neither parent had the disease.
D
A scientist at the polar ice cap was studying an ice sample from hundred of meters below the surface. While examining the ice, the scientist found some cells from many years ago. Using an electron microscope, the scientist identified these cell structures: a cytoskeleton, mitochondrion, nucleus, cell wall, and ribosomes. What king of organism did the scientist find? A. animal B. bacteria C. plant D. He did not have enough information
D
It is often said that normal cells change into cancerous cell frequently in our bodies. Which of the following explanations accounts for the relative rarity of cancer? A the cancerous cells die on their own B the DNA repair system fixes the mutation that causes cancer C. the cancer cells grow very slowly at first D the cancerous cells are normal crowded out by normal cell growth
D
Messeegner RNAS main job is to ____ A create a protein B destroy a protein C make a ribosome D transcribe the copy of DNA E transport the amino acid to make a protein
D
This genetic disorder causes a lack of pigment in the skin, hair and eyes. A sickle cell anemia B hemophilia C cystic fibrosis D albinism
D
This organelle connects the plasma membrane to the nuclear membrane. Its large surface area is the site where lipids are produced. A. golgi apparatus B. nucleus C. vacuole D. endoplasmic reticulum
D
This organelle is only found in animals and helps during mitosis by pulling the chromosomes apart A. cytoskeleton B. mitochondria C. centrioles D. lysosomes
D
This region of the cell is where all the organelles are found. A. nuclear B. mitochondrial C. vacuole D. cytoplasmic
D
This scientist is famous for the invention of the microscope. A. Hooke B. Schwann C. Schlseiden D. van Leeuweenhoek
D
This the name of a useful device for predicting the possible offspring of crosses between different genotypes is the ______ A Law of Dominance B Law of Independent Assortment C Gametes D Punnett Square E Testcross
D
WHen Mendel crossed tall plants with tall plants, he sometimes got short plants (tall is dominant). This can be explained by saying what about the parents? A one was pure dominant B both were pure recessive C one was heterozygous D both were heterozygous
D
Which is present only in eukaryotic cells? A. cell membrane B. chromosomes C. DNA D. nucleus
D
Which of the following protist are parasitic? A ciliate B green algae C slime mold D sporozoan
D
Which of the following would be least likely to happen as a result of a mutation in a persons skin cells? A. skin cancer B. reduced functioning of the skin cell C. no change in functioning of the skin cell D. the person's offspring have mutated skin
D
A statement that can be tested is the ______. A. experiment B. observation C. variable D. hypothesis E. theory
D. hypothesis
The structure of DNA is known as ____. A the ladder of life B the ladder of code C codons D double stranded E double helix
E
The type of inheritance shown when a red-flowering plant is crossed with a white-flowering plant and only pink-flowering plants are produced is known as _____. A inbreeding B polygenic inheritance C codominance D multiple alleles E incomplete dominance
E
Transfer RNA's main job is to ___ A create a protein B destroy a protein C make a ribosome D transcribe the copy of DNA E transport the amino acid to make a protein
E
Which of the following describes an organsim that has a genotype of Bb? A boy B girl C true breeding D homozygous E heterozygous
E
Choose the proper order of the scientific method. A. theory, question, hypothesis, data collection and publish B. form a conclusion, theory, hypothesis, record data, question C. experiment, question, hypothesis, theory D. form a conclusion based on your opinion, test, ask questions, publish E. question, research, hypothesis, experiment, conclusion, theory
E.
Which is the true order of the Organization of living things from smallest to largest? A. organ sysystem, organ, tissue, cell, organelle B. organ systen, molecule, cell, tissue, organelle C. organ, organ system, atom, molecule D. cell, tissue, organ system, organ E. cell, tissue, organ, organ system
E. cell, tissue, organ, organ system
To prevent damage to your eyes, you should always wear _____. A. a hate B. apron C. tie D. covered shoes E. safety goggles
E. safety goggles
