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Biology 2nd Semester Final Review Flashcards | StudBud
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Biology 2nd Semester Final Review
Biology 2nd Semester Final Review
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Biology Second Semester Review
Flashcards
30 cards
F
Practice quiz
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Host live
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Questions
30
Answers
1
The genotype of an organism is ________________, while the phenotype is ______________.
what it looks like, which alleles are present
what alleles are present, what it looks like
2
How do cells break down glucose in the absence of oxygen?
fermentation only
glycolysis only
glycolysis and fermentation
glycolysis & oxidative phosphorolation
3
The diploid number of humans is 46, what is our haploid number?
23
4
82
2
4
Non-disjunction can result in trisomy of both autosomes and sex chromosomes.
false
true
5
Which structure helps prevent water loss in plant leaves?
chlorophyll
chloroplasts
waxy cuticle
palisade layer
6
What happens to DNA during Mitosis?
Condenses into Chromosomes
Separates evenly into two daughter cells
Replicates
All of these
7
What would the mRNA be for this DNA sequence: ATTCGC?
UAACCC
UAAGCG
TUUGCG
TAAGCG
8
What building blocks does tRNA bring to the mRNA to make proteins?
DNA nucleotides
codons
anticodons
amino acids
9
Cellular respiration occurs ____________.
in both plants and animals
in animals only
in plants only
in eukaryotic cells only
10
The cell theory states __________.
All three of these!
The cell is the basic unit of life.
Cells only come from other cells.
All organisms are made of cells.
11
Stomata are located in the _________ and are controlled by _______________.
upper epidermis, cuticle
lower epidermis, veins
lower epidermis, guard cells
palisade layer, chloroplasts
12
What are the products of cellular respiration?
O2 and Glucose
O2 and water
CO2 and Water
Glucose & water
13
Which of the following is NOT a type of passive transport?
facilitated difusion
endocytosis
osmosis
diffusion
14
Chlorophyll is green because ___________.
absorbs blue light
reflects blue and red light
reflects green light
absorbs green light
15
Which of the following is NOT a way that plant cells differ from animals cells?
contain chloroplasts
contain cell wall
contain a large central vacuoles
contain mitochondria
16
Molecules too big to cross the cell membrane can be moved through ___________.
diffusion
lipid carriers
endocytosis
osmosis
17
What type of mutation is most harmful?
insertion or deletion
substitution
silent
18
A product of photosynthesis that is used in respiration is _________.
sunlight
oxygen
carbon dioxide
water
19
Mitochondria are important to cells because _________.
are the control center of the cells
release energy for the cell
are the site of protein synthesis
package proteins
20
A cell placed in a hypotonic solution will ________.
swell
stay the same
shrink
21
The longest stage of the cell cycle is ________.
Prophase
Interphase
Meiosis
Mitosis
22
Cancer cells are cells that experience uncontrolled growth because of changes to ________.
both proto-oncogenes & tumor suppressor genes
neither type of gene
tumor suppressor genes
proto-oncogenes
23
The structure that attaches two chromatids to each other is called ____.
a centrosome
a centriole
chromatin
a centromere
24
Which of the following is not true of ATP?
it has 3 phosphate bonds
it has 5 phosphate bonds
it has more energy than ADP
it is the energy currency of cells
25
The stage of the cell cycle that includes a checkpoint for mistakes in DNA is _______.
M
S
G1
G2
26
DNA and RNA differ in all but which of the following choices?
type of sugar
type of phosphates
number of strands
type of nitrogen bases
27
What are the products of photosynthesis?
CO2 and glucose
CO2 and water
Water and Glucose
O2 and Glucose
28
Scientists credited with the discovery of the structure of DNA.
Chargaff & Avery
Franklin & Griffith
Watson & Crick
Hershey & Chase
29
In humans, the sex of the offspring is determined by ___.
the father
the mother
both parents
the grandparents
30
A cell placed in a hypertonic solution will _______.
burst
stay the same
shrink