BIO 6-10
Family names end in ___
-aceae
The Geneva Repository is a farm that distributes over _____apple specimens a year
3,000
How many different codons are in the genetic code?
64
Which of the following suffixes NOT used to denote a family name
A) -phyta B) -ales C) -opsida
Which of the following are currently accepted Kingdom classifications?
A) Animalia B) Protista C) Plantae D) Fungi
What is Darwin's theory of evolution by natural selection?
A) Individuals compete for limited resources. B) Natural populations tend to overproduce. C) Individuals exhibit inheritable individual differences. D) Individuals that are suited to the environment survive and reproduce.
True statements:
A) The first person known to attempt to organize and classify plants was Theophrastus. B)When Linnaeus began his work, he attempted to classify all known plants and animals according to their genera. C) Each scientific name is specific to a single species. D)The science of classification (systematics) is not the same as identification
The Phylocode is NOT
A) a new classification system developed in 2017 B) a science of systematics based only on phenotypic similarity C) a system that allows paraphyletic groups or polyphyletic groups
The Wollemi pine has which of the following characteristics?
A) complex and unusual leaf structure for a pine B) knobby cork-like bark C) distribution only in Australia D) bright green female cones and brown, cylindrical male cones
Uses of Sphagnum moss:
A) heating fuel B) potting and bedding material in gardening C) wound dressing
Which of the following diseases are caused by a lack of essential vitamins and minerals?
A)scurvy B)rickets C)beriberi D)pellagra
Why are peat bogs such good environments for preserving dead organisms?
Acidic
What type of search is used to identify the function of a gene by entering the base sequence into a database and comparing it to known genes?
BLAST
The most ancestral vascular plants belong to Division
Bryophyta
Which of the following is the correct RNA sequence for the DNA sequence GCCATAAGT?
CGGUAUUCA
Which division contains plants that produce the neurological toxin BMAA?
Cycadophyta
Which enzyme is responsible for the rapid and precise process of DNA replication?
DNA polymerase
Which of the following is the correct sequence of the taxonomic hierarchy from highest to lowest?
Division, Class, Order, Family
Features not common in land plants (embryophytes) are
Evol 10,000 yr ago. only occur on land Prokaryotic cell membranes Retain vascular tissue
A clade is an artificial grouping of organisms based on their taxonomic similarities and not on their monophyletic relationships. Tor F
False
Celiac disease is an autoimmune disorder in which the immune system reacts abnormally to the presence of cholesterol. T or F
False
Current research into the control of chestnut blight includes the use of an Asian beetle that ingests the fungus. T or F
False
Each species can have only one scientific name and one common name. T of F
False
Fossilized tree resin, or amber, is a proven source of complete genomes of extinct organisms because the resin dries and fixes living tissue and inhibits bacterial decomposition. T or F
False
In semiconservative replication of DNA, each new molecule of DNA contains only the purine bases, adenine and guanine T or F
False
In the Division Coniferophyta, four haploid megaspores are produced during meiosis, and each one ultimately develops into a female gametophyte. T or F
False
In the Latin name for tomato, Solanum lycopersicum, the second word refers to its use in Asia as an aphrodisiac. T or F
False
In the human genome project, researchers have found that only 50% of the nucleotide bases responsible for structural proteins are identical in all people and that most of these bases are adenine and guanine. T or F
False
Mendel chose pea plants for his genetic experiments because they only have heterozygous traits and they never self-pollinate T or F
False
Multiple fruits develop from the fused ovaries of many separate flowers on a single inflorescence. T or F
False
The 1884 book Language of Flowers was a popular plant taxonomy text that classified plants from the Galapagos Islands T or F
False
The term "gymnosperm" refers to the ability of conifers, or evergreens, to retain their leaves for photosynthesis throughout the entire year. T or F
False
True bacteria would be classified as which of the following groups? T or F
False
Vitamins and minerals are required in large amounts by humans and are therefore called macronutrients. T or F
False
Speciation
Formation of new species
Which of the following is NOT a principle of Darwin's theory of evolution by natural selection
Isolated populations always produce new species.
Some ___ species bear fleshy fruit-like cones that can be used to flavor gin.
Juniperus
Which of the following are incorrect
More new species of plants have evolved than those that have become extinct. C)Extinction of plant species is very rare because they are so abundant. D)The extinction of each plant species is well documented.
Which of the following genus names alludes to its powerful medicinal properties?
Potentilla
True bacteria would be classified as which of the following groups?
Prokaryota
The deletion of a single base from a DNA sequence
Results in a frame-shift mutation, meaningless mRNA message & causes a shift in all of the codons downstream from the deletion.
Which one of the following is correct
The rate of extinction of plants has accelerated in recent times
Which of the following is NOT a use of sphagnum moss?
Thickening agent food prep
Which region is the most biologically diverse area on the planet?
Tropical rainforest
As a tomato fruit ripens, the chlorophyll content decreases, and the lycopene and ethylene content increases. T or F
True
Auxins are hormones involved in phototropism, elongation of young stems, and inhibition of lateral buds. T or F
True
Darwin's theory of evolution by natural selection was formed in part from observing distinct differences between species on the Galapagos Islands and similar ones in South America. T or F
True
Ginkgo biloba is the only remaining species of its division and may be used medicinally to improve short-term memory. T or F
True
Homologous chromosomes are produced when an offspring receives two identical alleles for a specific character from each of its parents T or F
True
In most cases, polyploid individuals of the same species are capable of reproducing with each other. T or F
True
In the case of incomplete dominance, the heterozygous phenotype is usually intermediate between the phenotypes of the dominant and recessive alleles. T or F
True
In transcription, introns are not specifically involved in polypeptide coding, whereas exons are spliced together to form the final mRNA molecule. T or F
True
Nuts, grains, and samaras are all types of dry, dehiscent fruits. T or F
True
The "navel" in navel oranges is a small aborted ovary at the top of the fruit. T or F
True
The moss sporophyte consists of a capsule and stalk embedded in the dominant female gametophyte. T or F
True
The term "five-merous flower" in apple trees refers to its 5 sepals, 5 petals, and 5-carpeled ovary. T or F
True
To be considered a high-quality protein, a complete protein must be fully digestible and contain all of the nine amino acids in the right proportions. T or F
True
phylogenetic system of classification uses morphology, biochemistry, cell structure, and the fossil record to determine natural groupings or clades among plants. T or F
True
One feature that is common in all land plants (or embryophytes) is that they ____
all retain the embryo
Family names are NOT
always capitalized, always italicized
All polypeptides and proteins are made of which of the following?
amino acids
Which of the following fruits is classified as a pome?
apple
Low-density lipoproteins (LDLs) ___
are considered to be the "bad" cholesterol. B)transport cholesterol to the cells. C) are NOT present in high amounts in individuals at low risk for heart disease.
The Phylocode is
based on the creation of clades, or monophyletic groups
Essential amino acids are characterized by which of the following?
cannot be made by the body. B)cannot be stored in the body. C)can be used to construct structural and metabolic proteins.
The most common dry, dehiscent fruit is a _____.
capsule
What effect would gibberellins have on a rosette biennial plant?
cause bolting
Humans do not have the enzyme to break down which of the following compounds?
cellulose
Excess glucose beyond a day's worth of energy is generally NOT converted to which of the following?
cholesterol B)DNA and RNA C)Fats D)Protein
RNA IS NOT
composed of deoxyribose sugar, base, phosphate
Many prescription drug labels recommend avoiding taking the drug with grapefruit juice because the juice
dangerously increases drug uptake
Pellagra, common where corn is a dietary staple, affects the central nervous system and has the following symptoms
dermatitis, dementia, diarrhea, gastrointestinal issues
What tissue in a monocot seed provides its nourishment?
endosperm
Which structure in the dicot seed develops into the stems and leaves?
epicotyl
Which nutrient supplies the greatest amount of energy per gram of nutrient?
fat
Although the durian fruit has a delicious, creamy, white pulp, it is notorious for its ___.
foul odor
Which organisms were once classified as plants in the old two-kingdom system?
fungi
In the Latin name Salix nigra, Salix is the ___ and nigra is the ___
genus, specific epithet
Humans have enzymes to break down
glucose B)glycogen C)polypeptides
Coconut oil and palm oil are rich in ____
healthy saturated fatty acids
A lemon is classified as a ____
hesperidium
The production of seven different phenotypes from the self-pollination of an F1 generation that is intermediate in color is an example of
incomplete dominance
Endemic or simple goiter is caused by a deficiency in ___
iodine
What is the proper classification for people who consume no animal products except dairy?
lacto-vegetarian
Insoluble (fermentable) fiber is broken down by bacteria in which of the following?
large intestine
The location of a gene on a specific chromosome is called its
locus
The condition in which an individual is deficient in one or more essential nutrients is called _____
malnutrition
Crosses involving one genetic trait are called
monohybrid crosses
Fructose is a ___, while sucrose is a ____
monosaccharide, disaccharide
The plants that lack true vascular tissue are which of the following?
mosses, liverworts, and hornworts
The adaptation of bent grass to tolerate the heavy metals in mine soil is an example of
natural selection
Which disease is associated with a deficiency in vitamin D?
osteomalacia
The original plants involved in making a genetic cross are called the ____ generation
parental
A specialized berry with a tough outer rind that consists of both receptacle tissue and exocarp is called a
pepo
Phospholipids are composed of which of the following?
phosphate, glycerol, and two fatty acids
Linnaeus's basic system of plant classification is still widely used today, although the ___ oncept of cladistics has replaced the phenetic concept.
phylogenetic
Polyploidy
plants that have at least one extra set of chromosomes
Microsporangia in the Division Coniferophyta produce
pollen grains
The reappearance in the F2 generation of a trait that was previously masked in the F1 generation is an example of
recessive allele expression & the principle of dominance
Which of the following can be used to create a recombinant DNA molecule from "sticky" fragments of DNA?
restriction enzymes
In an apple tree graft, the bud or stem is called the _______, while the root system is called the __.
scion; stock
The lycophytes and Pterophyta are similar in that they are all ___vascular plants
spore-producing
In the ferns, the ___ the dominant stage of the life cycle.
sporophyte
The rich carpet of leafy green growth of mosses is ___.
sporophyte generation
During alternation of generations, fertilization gives rise to the diploid __ generation, and meiosis gives rise to the haploid ___ generation.
sporophyte, gametophyte
Linnaeus organized all known plants into 24 classes, based mainly on the number of ___ in the flowers
stamens
Which type of lipid is cholesterol?
steroid
Which of the following would a breeder use to determine if a new strain will breed true for a certain trait?
testcross
Pummelos can be described as which of the following?
the largest citrus fruits, native to southeast Asia & used in Chinese New Year festivities.
Cytogenetics
the study of chromosome structure and behavior
Which of the following results when a piece of a chromosome breaks off and becomes attached to another one?
translocation
Inversion
when a piece of a chromosome is broken and reinserted in the opposite direction