dang it! i just took this test
a series of steps to plan and carry out observations
What is the scientific method?
Nucleolus
What is The densely packed area of DNA & RNA responsible for building different parts of the ribosomes?
They assist molecules across the cell membrane.
What do carrier proteins do?
Negatively charged subatomic particle around the nucleus
What is an electron?
passive and active systems are both?
Membrane transport systems are either?
Question, Research, Hypothesis, Experiment, Analyze, Conclusion
What are the steps of the scientific method?
5' to 3' direction
is the direction of DNA synthesis t
Requires energy
Wat is active transport
Process that results in copied genes
what is transcription
The Membrane around the cytoplasm of a cell
What is a cell membrane?
Beneath the clothes, we find the man. And beneath the man, we find his _____.
what is the Nucleus?
what is Purine vs Pyrimidine
Purines are Adenine and Guanine; Pyrimidines are Cytosine and Thymine
From lower concentration to higher concentration
what is active transport
complementary RNA strand is transcribed using DNA template
what is elongation of transcription?
What surrounds the nuecleus
whats in the nueclear membrane
All of the chemical reactions in a cell that are required to sustain life are referred to as:
what is metabolism
a promoter sequence
what is required to initiate transscriptiuon
membrane proteins that bind molecules and transport them.
w are carrier proteins
What is the role of RNA polymerase?
To join nucleotides in the pre-mRNA
an outer layer of cells
what is a cell membrane?
a molecule containing both hydrophobic and hydrophilic regions with the hydrophilic portions in contact with water
what is amphipathic
Enhances gene expression
The transcription initiation complex does what?
moves molecules and ions from high to low concentration with no energy
what is passive transport
initiate transcription
What is the role of transcription factors?
Lets some things through and keeps out harmful things
Whatis the function of the cell memberane?