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2025 Biology STAAR Review Flashcards | StudBud
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2025 Biology STAAR Review
2025 Biology STAAR Review
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All of #Biology
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45 cards
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Answers
1
Characteristics of Prokaryotes:
have membrane-bound organelles and a nucleus
no membrane-bound organelles or nucleus
2
Mono
mer of a Protein
Monosaccharide
glycerol
fatty acids
Amino acid
3
What is true about incomplete dominance?
Dominant masks recessive
Heterozygous shows Speckles of both
Heterozygous shows intermediate blend of the two alleles
4
A characteristic that improves an individuals ability to survive and reproduce in an environment
Competition
Adaptation
Mutation
Predation
5
Nonliving particle, needs host cell to reproduce, made of genetic material and protein coat (capsid)
Animal
Bacteria
Virus
6
How many amino acids will the following mRNA strand produce? AUGACCUAU
9
none
1
3
7
associated with Cellular Respiration:
happens in Ribosome
happens in chloroplast
oxygen is required
8
monomer of nucleic acids
fatty acids
monosaccharide
nucleotide
glycerol
9
the part of the cell cycle where the cell divides
Interphase
S phase
G1
Mitosis
10
The male reproductive organ composed of the filament and the anther
carpal (pistil)
stamen
11
Flexible barrier, controls what enters and exits the cell, made of lipids
DNA
cell wall
Cell Membrane
Mitochondria
12
Giraffes have 30 chromosomes in their skin cells. How many are in the sperm cells?
92
30
15
60
13
What role do bacteria and fungi play in the food web?
Primary Consumers
Secondary Consumers
Producers
Decomposers
14
Which of these is the correct order for Protein Synthesis?
Translation→ Transcription
DNA To mRNA → mRNA to protein
RNA → DNA → Protein
15
how a deletion mutation changes the rest of the mRNA strand
Shifts the reading frame of the codons
only changes one amino acid
16
Examine the DNA below. What is represented by the
1
?
deoxyribose
nitrogen base
phosphate
17
XY in location 23
karyotype of a female
karyotype of a male
18
Mitosis makes___________and Meiosis makes__________
somatic cells; Gametes
sperm cells; egg cells
19
What are the products of cellular respiration?
Oxygen, glucose
Carbon dioxide, ATP, water
20
What are the complementary bases in DNA?
Adenine- Thymine / Cytosine- Guanine
Adenine- Guanine / Cytosine- Thymine
Thymine- Uracil / Cytosine-Guanine
21
Who is the secondary consumer?
Grasshopper
Eagle
Frog
Python
22
Two types of
vascular tissue
in plants are
Xylem and Phloem
Leaves and Ovaries
23
What is natural selection?
random fluctuations in frequency of a trait
individuals migrate into a new population
survival of the fittest
24
Quick source of energy, contains CHO
lipid
nucleic acid
protein
carbohydrate
25
Does this process require energy or not?
No; molecules move HIGH to LOW conc.
Yes; molecules move LOW to HIGH conc.
26
What are the
reactants
of Photosynthesis?
carbon dioxide, water, sunlight
Carbon dioxide, ATP, water
27
The table shows
amino acid sequences.
Which organism is most similar to CHICKEN?
HUMAN
TUNA
TURKEY
SEA STAR
28
location that transcription occurs (mRNA copies segment of DNA)
nucleus
cytoplasm
ribosome
all of the above
29
Which describes an
RNA
nucleotide
Ribose, A-U C-G
Deoxyribose, A-T C-G
30
Similarities in embryo development suggests evidence of :
cross breeding
a common ancestor
no common ancestor
31
works with other systems to
transport
nutrients, oxygens, hormones to cells and carry compounds like CO
2
to the lungs
respiratory system
circulatory system
endocrine system
nervous system
32
The mitochondria is where this energy conversion occurs:
glucose to ATP
sunlight to glucose
33
Which of these is a phenotype?
black hair
heterozygous
homozygous recessive
AA
34
Which of the these is a genotype?
long hair
Aa
dominant heterozygous
brown eyes
35
Which organisms are more likely to be Tertiary Consumers?
Hawk and snake
Insect-eating bird and snake
36
Which of these is a mutualistic relationship?
fleas and dogs
blood-sucking tick and a deer
Butterfly and a flower
37
Uncontrolled cell division; formation of tumors
Interphase
Allergies
Cancer
Translation
38
A
multicellular
autotroph with a cell wall made of cellulose?
All Eukaryotes
Animals
All Prokaryotes
Plants
39
Find the complementary
mRNA
strand to this DNA segment: TAC CCA TTG
ATG GGT AAC
AUG GGU AAC
UUG GGU AAC
40
Skin, muscle, and stomach cells all have the same DNA but different functions. What process allows this?
DNA replication
Gene expression
Genetic drift
41
Changing shape of the cell membrane requires ATP. What type of transport is here?
active transport
passive transport
diffusion
protein pump
42
A type of protein that speeds up reactions
Amino Acids
Enzyme
substrate
43
a type of natural selection where extreme phenotypes (traits) are favored over intermediate (average)phenotypes
disruptive
directional
stabilizing
44
What happens during the Synthesis phase of the cell cycle?
DNA Replication
The cell grows
45
What is the purpose of crossing-over?
Genetic variation
Making energy
Making proteins
Identical cells
