Term
Which of the following hormones can cross the cell membrane freely and why ?
1. Insulin
2. Cortisol
3. Prolactin |
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Definition
Cortisol
It is a steroid hormone, since it is made of lipids it can pass through the lipid membrane freely |
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Term
The Calvin Cycle occurs in ________ (Plants or Animals)
It begins with __________
The 3 stages are __________, __________,__________
It takes ______ (1,3 or 6) turns to make G3P
and ______ (1,3 or 6) to make glucose
It also makes ___( 1 or 3)ATP, ___ (1 or 2)NADPH
For 1 molecule of glucose, ___(16 or 18)ATP and ____(10 or 12)NADPH are formed
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Definition
The Calvin Cycle occurs in Plants
It begins with 3CO2
The 3 stages are Carbon Fixation, Reduction,Regeneration
It takes 3 turns to make G3P
and 6 turns to make glucose
It also makes 3 ATP, 2 NADPH per turn
For 1 molecule of glucose, 18 ATP and 12 NADPH are formed
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Term
The promotor region in eukaryotes is_____
The promotor region in prokaryotes is ______
TATA or Prinbow |
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Definition
The promotor region in eukaryotes is TATA Box
The promotor region in prokaryotes is Prinbow box |
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Term
The golgi apparatus does all of the following except:
Synthesizing Proteins
Modifying Proteins
Packaging Proteins
Producing lysosomes |
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Definition
Synthesizing Proteins
Proteins are synthesized in ribosomes |
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Term
Rh( Rhesus Factor) is an antigen found on the surface of red blood cells.
Since it is an antigen, it can produce an immune response in what type of individual? |
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Definition
In individuals that have negative blood types
Specifically, in the condition Erythroblastosis fetalis
The immune system of a mother who is Rh negative can attack the erythrocytes of her fetus if the fetus is rh positive |
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Term
In what phase of meiosis does synapsis occur?
Anaphase II
Metaphase I
Metaphase II
Prophase I
Prophase II |
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Definition
Prophase I
Synapsis is the pairing of homologous chromosomes
that occurs during prophase I of meiosis |
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Term
What cell has a function to help kill infected target cells but do not produce any antibodies?
B Cells
Macrophages
Neutrophils
T Cells |
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Definition
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Term
What type of cell is a large phagocytic cell found at sites of infection and do not help produce antibodies?
B Cells
Macrophages
Neutrophils
T Cells |
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Definition
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Term
What type of cells are white blood cells that kill microorganisms by ingesting and releasing enzymes ?
B Cells
Macrophages
Neutrophils
T Cells |
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Definition
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Term
What type of cells are responsible for synthesizing bone?
Osteocytes
Osteoblasts
Osteoclasts
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Definition
Osteoblasts
Osteoclasts are bone cells that absorb bone tissue during growth and healing
Osteocytes are bone cells that form when osteoblasts become embedded into the matrix (They help maintain bone tissue)
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Term
Which of the following organisms contain nucleated cells and has a predominantly haploid lifecycle?
Fungi
Gymnosperms
Arthopoda
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Definition
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Term
What enzymes converts RNA to DNA?
transcriptase
reverse transcriptase
topoisomerase |
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Definition
Reverse Transcriptase
It is an enzyme found in retroviruses that contain genetic material in the form of RNA, it is able to create complementary DNA (cDNA) from an RNA template
[image] |
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Term
Match the following organs to their correct germ layer
Heart
Eyes
Stomach
Liver
Spleen |
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Definition
Heart- Mesoderm
Eyes- Ectoderm
Stomach- Endoderm
Liver- Endoderm
Spleen-Mesoderm |
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Term
The Seminiferous tubules are significant to sperm because? |
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Definition
It is the location of sperm production
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Term
| What makes uracils relationship with Ribosomes unique? |
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Definition
Uracil is the only nitrogenous base that is found in RNA
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Term
| A test cross involves crossing the organism of interest with one that is__________? |
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Definition
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Term
R-plasmids tend to contain genes pertaining to
_______________ |
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Definition
Anti-biotic resistance
r-plasmids tend to contain genes pertaining to anti-biotic resistance |
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Term
The extracellular matrix has 3 major components:
1. Collagen fibers
2. Proteoglycans
3. Soluble multi-adhesive ECM proteins
Which of the following is most prevalent? |
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Definition
Collagen fibers
Their purpose is to provide strength and resilience
Proteoglycans- provide the cells with cushions
Soluble multi-adhesive ECM proteins - bind to the peptidoglycan and collagen fibers to receptors on the cell surface |
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Term
In humans, fertilization occurs in which of the following?
1. Ovary
2. Cervix
3. Fallopian Tubes
4. Uterus |
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Definition
| Fallopian Tubes specifically the ampulla |
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Term
| In humans, what are the two sources we get DNA from ? |
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Definition
Nucleus and Mitochondria
The mitochondria is solely inherited from the mother in humans |
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Term
Which of the following molecules can synthesize glucose if no carbohydrates are available?
1. Glycolysis
2.Gluconeogenesis
3.Beta- Oxidation
4.Glycogenolysis |
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Definition
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Term
_______ is the multicellular diploid structure that produces spores through meiotic division
__________ is the multicellular haploid structure, is formed from spores and gives rise to haploid gametes |
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Definition
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Term
| The liver secretes its products into the gut via the ________________ |
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Definition
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Term
| What is the type of enzyme that convert DNA into smaller fragments? |
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Definition
Exonuclease
an enzyme that cleaves nucleotides one at a time from the end of a polynucleotide chain |
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Term
During the repolarization period of an action potential ,
_____ channels open
_____ channels close |
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Definition
K+ channels open
Na+ channels close
With the purpose of restoring the localized negative membrane potential of the cell |
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