Show:
1
2
3
4
5
100
This is the early growth stage of a plant embryo
germination
100
Which contains uracil, DNA or RNA?
RNA
100
Of the following, which will not kill bacteria: Boiling chemical disinfection refrigeration
refrigeration
100
A nucleotide found in DNA is: ________________ + phosphate group + cytosine
deoxyribose
100
A seed plant is anchored to the ground by its __________
roots
200
Which of the following is not caused by a bacterium? AIDS Tooth decay tuburculosis
AIDS
200
During DNA replication, a DNA strand that has the bases of GATCCA produces a strand with the bases:
CTAGGT
200
Bacteria living in extreme environments may be a good source of ____________
Heat stable enzymes
200
The outer protein coat of a virus is called a ____________
Capsid
200
What type of organisms do fungi feed upon?
living and dead organisms
300
What includes a plant embryo, a food supply, and a protective covering?
a seed
300
One of the main functions of stems is to do what?
Transport things between roots and leaves
300
If an organism's diploid number is 12, its haploid number is
6
300
Xylem and phloem are not present in _________________
bryophytes
300
how do funguslike protists get nutrients?
absorbing them from dead or decaying matter
400
A seed that is dispersed far away from the parent plant will have to worry less about ______________
competition
400
This is where most photosynthetic activities in plants take place.
mesophyll
400
What do plants use the energy of sunlight for?
Cellular respiration
400
Angiosperms produce seeds inside protective structures called __________
ovaries
400
What is the basic structure of a virus?
DNA or RNA surrounded by a protein coat
500
___________, guanine, and cytosine are all found in both DNA and RNA
phosphate groups
500
The type of RNA that functions as a blueprint of the genetic code
mRNA
500
Two DNA molecules, each with one new strand and one original strand, are a result of ____________
DNA replication
500
In mushrooms, the spores are found on the _______
cap
500
The tangled mass that makes up the body of a fungus
hypha