Bio lecture final Flashcards
Bio lecture final
Why don’t plant cells Rupture?
Cell walls provide pressure to counteract the pressure of incoming water
What features are shared by all animals
Contact between their cells and an aqueous Medium
Which type of cell is specialized to store fat in animals?
Adipose cells
Which is the correct order of organization of structures in living things from simplest to most complex?
Cells, tissue, organs, organ systems
All living things maintain a balance within their cells and the environment through the process of…
homeostasis
Which of the following statements best describes Linnaeus method of classifying organisms?
Grouped organisms into increasingly more inclusive categories
Which of these conditions do NOT occur in populations evolving due to natural selection?
Individuals pass on Most traits that they acquire during their lifetime
Which of the following statements best describes evolution?
Populations change genetically from one generation to the next.
Existence of antlers in beetles and fly and deer species with string male-male comp is an example of what?
Convergent evolution
Which of the following pairs is the best example of homologous structures?
Bones in the bat wing and bones in the human forelimbs
Which of the three types of viruses shown in the figure shown in the figure would you expect to include a Capside(s)
1, 2 and 3
Which of the following statements best supports the argument that viruses are nonliving?
They do not carry out metabolic processes
Viruses can carry out which of the following processes?
Us the host cell machinery to make copies of viral genomes and viral proteins
Which species concepts distinguishes two species based on the degree of genetic exchange between their gene pools?
Biological
The host range of a virus is determined by whether ____
The proteins on virus surface can bind with proteins on the host surface
What is the function of reverse transcriptase in retroviruses?
It uses viral RNA as a template for DNA synthesis
Which of the following responses explain why the apparent high rate of mutation in RNA viruses?
RNA virus genome replication does not involve proofreading
Emerging viruses arise by____
-Mutation of existing viruses
-The spread of existing viruses more widely within their host species
-The spread of existing viruses to new host species
Which part of a bacterium is the complete chromosome found?
Nucleoid
Which of the following statements correctly describes both photo and chemotrophs?
Chemotrophs obtain energy from chemical, Phototrophs obtain energy from light
Which of the following traits do archaeans and bacteria have in common?
Lack of a nuclear envelope and presence of circular chromosome
A ____ is a protein shell enclosing a viral genome
Capsid
A harmless derivative of pathogenic microbes that stimulate the immune system to mount defense against harmful pathogen
Vaccine
Which of the following characteristics is common among all protists?
Eukaryotic