What are grana
grana are stacks of membranesous sacs
A true coelom is_________
completely lined with tissue derived from mesoderm
34%
Humans are chordates. Which animal group is most closely related to chordates
Enchinoderms
human are
consumers
Transcription is the
manufacture of a strand of RNA complementary to a strand of DNA
The common ancestor of all animals is likely to have ben a _________________
colonial, flagellated protist
Which of the following is produced during the light reactions of photosynthesis
02
Which of these exhibits radical symmetry?
ferris wheel
Enzymes are usually
protiens
Gametophytres are
Sporophytes are
haploid
diploid
Relative to prokaryotic cells, eukaryotic cells are usually_____
larger and more complex
How many amino acids are common to all living systems
20
what are the two main processes that ecosystmems depend on?
nutrient recycling and energy flow
How many nucleotides make up a codon?
3
Phenotype is
collection of traits exhibited by an organism
Within the inner membane of the chloroplast, interconnected sacs of membrane called____ are suspended in a thick fluid called the ____
thylakoids... stroma
In photosyntghesis, redox reactions ultimatley ransfer electrons from ___ to ____
h2o.. co2
What important role do fungi play
decompose organic matter
Enzymes increase the rate of a reaction by ____
decreasing activation energy
QUESTION: tHE CALVIN CYCLE REQUIRES ___ AND __ FROM THE LIGHT REACTIONS IN ORDER TO OPERATE
atp...nadph
If a strand of DNA has the sequence AAGCTC , transcription will result in a
single RNA strand with the sequence UUCGAG
Which of the following equations best summarizes photosynthesis
6 CO2 +6H2O ---- C6H12O6 + 6 O2
What chem bond joins the base of complementary DNA strands
hydrogen
Evidence for the spiral nature DNA came from
XRAY crystallography studies