A) differentiation B) immunity C) evolution D) heredity
A) environment of the organism B) availability of starch molecules C) nutritional habits of the organism D) type and order of amino acids
A) gene insertion B) differentiation C) selective breeding D) cloning
A) large molecules that have only one function B) folded chains of bonded glucose molecules C) reproductive cells composed of molecular bases D) coiled strands of genetic material
A) asexual reproduction B) genetic engineering C) natural selection D) habitat modification
A) The gene for insulin has a different sequence of molecular bases than the gene for testosterone. B) The gene for insulin is turned ON in liver cells, but the gene for testosterone is not C) The gene for insulin is replicated in vacuoles, while the gene for testosterone is replicated in mitochondria D) The gene for insulin is a sequence of five different molecular bases while the gene for testosterone is a sequence of only four differentmolecular bases.
A) DNA is functional in only 10% of the cells of the body B) some of the DNA in some of the cells will be removed by chemical reactions C) only the DNA in certain cells will replicate D) different groups of cells containing the DNA may be exposed to different environmental conditions, for example, more food for one but not the other
A) fertilization → meiosis → mitosis B) meiosis → fertilization → mitosis C) mitosis → fertilization → meiosis D) fertilization → mitosis → meiosis
A) zygote formation B) meiotic cell division C) recombination D) mitotic cell division
A) overproduction of offspring and competition B) sorting and recombining of genes in meiosis C) the need to adapt and maintain homeostasis D) replication and cloning
A) solved the reproductive problems of the species by asexual methods B) increased the genetic variability of the panther population in Florida C) mated only with panthers from Texas D) produced more reproductive cells than the male panthers in Texas
A) increased variation in the type of organelles present in the cell B) rapid evolution of the organism in which the cell is found C) a mutation that will affect the synthesis of a certain protein in the cell but not the offspring D) an adaptation that will be passed on to other types of cells in the body
A) mitosis to produce a larger population B) fusion of eggs and sperm to produce zygotes C) internal fertilization to produce an embryo D) meiosis to produce gametes
A) oranges with seeds, only B) oranges and other kinds of fruit C) oranges without seeds, only D) a majority of oranges with seeds and only a few oranges without seeds
A) It will not be affected by any medication taken by the mother B) It is affected primarily by the eating habits and general health of the mother. C) It is affected primarily by the eating habits and general health of the father. D) It is not affected by conditions outside the embryo.
A) As an embryo develops, various tissues and organs are produced. B) Replicated chromosomes separate during gamete formation. C) Offspring have a combination of genes from both parents. D) The cells produced by a zygote usually have different genes.
A) a virus aimed to cure cancer that mutates and causes humans to become monster-like B) a cancer that mutates and becomes elegant and beautiful C) the strange effects mannequins can have on people D) a dog named Samantha and how she helps her owner overcome obstacles
A) lead to more serious mutations in offspring B) usually lead to the death of the organism C) are usually beneficial to the organism D) cannot be passed on to offspring
A) Each cell has pairs of chromosomes and the cells are usually genetically identical. B) Each cell has pairs of chromosomes and the cells are usually genetically different. C) Each cell has half the normal number of chromosomes and the cells are usually genetically identical. D) Each cell has half the normal number of chromosomes and the cells are usually genetically different.
A) replicate different numbers of genes B) synthesize the same proteins and enzymes as the entire colony is cloned from the original C) have a resistance to different antibiotics D) express adaptations unlike (different than) those of the other cells
A) make fertilization impossible B) decrease her ability to provide essential nutrients to an embryo C) make carrying a fetus impossible D) affect the production of eggs
A) placenta B) progesterone C) estrogen D) ovary
A) provide plenty of testosterone for her well-being B) carry progesterone and fool the mother's body into thinking it is already pregnant C) are easily digestable D) are made up of nutrient-rich sugars
A) inserting part of their DNA into the bacterial cells B) engulfing (devouring) and digesting the bacteria whole C) producing toxins that compete with bacterial toxins D) causing mutations in the bacteria
A) provides immediate immunity to other diseases B) it takes a very long time to begin injecting its viral RNA code into the hosts' cells C) automatically causes AIDS D) hijacks cells into making more viruses leaving the host defenseless to disease |