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