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