BIO quiz 4/21/16

If one side of a DNA molecule reads ATGCCGT, what would the complementary side read?

• TACGCCU
• UACGGCA
• TACGGCA
• TAGCCGA

All the organ systems of the human body work together to maintain homeostasis. What is homeostasis?

• a stable internal environment
• response to external stimuli
• protection from bacteria and other pathogens 
• the ability to pass characteristics to one's offspring

The legs of crocodiles and mice have similar bone structures and develop in a similar way. What type of structures are the leg bones?

• homologous structures
• analogous structures
• fossilized structures
• vestigial structures

Which shows the levels of anatomical organization in multicellular organisms from simplest to most complex?

• organ system, organ, tissue, specialized cell
• specialized cell, tissue, organ, organ system
• cell, molecule, tissue, organ system
• organ system, tissue, cell, molecule

What are the different versions of a gene for the same trait called?

• phenotype
• alleles
• hybrids
• homozygous

The sequence of a piece of mRNA is AGUACA. What is the matching sequence of tRNA?

• UCAUGU
• AGTACA
• AGUACA
• TCATGT

Which of the following describes a phenotype?

• Gg
• homozygous
• green
• heterozygous

Which of the following describes an organism that has two different alleles for a trait?

• heterozygous
• homozygous
• dominant
• recessive

Energy conversion within a plant cell would be limited most severely by removal of the cell's -

• mitochondria
• chloroplasts
• ribosomes
• Gogi body

Which of the following is NOT common to both mitosis and meiosis?

• the DNA in chromosomes is duplicated
• the cells divided into equally sized halves
• there is a reduction in the number of chromosomes in daughter cells
• the chromosomes align themselves at opposite ends of the cell