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AC-HPAT Prep| 188 Actual Questions and Answers 100% Correct| Latest Update 2024
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AC-HPAT Prep| 188 Actual Questions and Answers 100% Correct| Latest Update 2024
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AC-HPAT Prep| 188 Actual Questions andAnswers 100% Correct| Latest Update 2024
What is transcription? ✔✔Transcription is the process by which the information in a strand
of DNA is copied into a new molecule of messenger RNA (mRNA). ... This complex initiates
transcription, and the RNA polymerase begins mRNA synthesis by matching complementary
bases to the original DNA strand.
What is translation? ✔✔Translation is the process by which a protein is synthesized from
the information contained in a molecule of messenger RNA (mRNA). Translation occurs in
a structure called the ribosome, which is a factory for the synthesis of proteins
What is endocytosis and exocytosis? ✔✔Endocytosis is the process of capturing a substance or
particle from outside the cell by engulfing it with the cell membrane, and bringing it into the cell.
Exocytosis describes the process of vesicles fusing with the plasma membrane and releasing
their contents to the outside of the cell
What is a chromotid? ✔✔each of the two threadlike strands into which a chromosome
divides longitudinally during cell division. Each contains a double helix of DNA.
What is an allele? ✔✔An alternative version of a gene; one from each parent.
What is a phenotype? ✔✔An organism's physical appearance, or visible traits.
What is a genotype? ✔✔An organism's genetic makeup.
,When a red snapdragon is crossed with a white one, all the F1 hybrids have pink flowers. This is
an example of: ✔✔Incomplete dominance
Traits that are alternatives to the wild type (for example, white eyes in a fruit fly as opposed
to the usual red) are called: ✔✔Mutant phenotypes
Lethal recessive mutations are perpetuated by the reproduction of carriers with normal:
✔✔Phenotypes
What is the function of the circulatory system? ✔✔To distrubute blood and associated
chemicals through the body.
What is the function of the respiratory system? ✔✔To take in oxygen and eliminate
carbon dioxide.
What is the function of the digestive system? ✔✔To break down food for energy, reabsorb
water and nutrients, and eliminate waste.
What is a virus? ✔✔A virus is a parasite that can only produce within a living host cell.
What are the two cycles of viral reproduction? ✔✔The Lytic Cycle and Lysogenic Cycle.
What is the lytic cycle? ✔✔The reprodyuctive cycle of viruses that end in the death of the host.
What is the lysogenic cycle? ✔✔The reproductive cycle of a virus, which coexists with the host
rather than killing it.
What are the three categories of symbiotic relationships? ✔✔Mutualism, Commensalism,
and Parasitism
, Destruction of bacteria by a lytic agent is called: ✔✔A bacteriophagia.
What is photosynthesis? ✔✔The process by which light energy, captured by the chloroplasts
of plants, is converted to chemical energy.
What is the ploem? ✔✔A vascular tissue that transports sugars from leaves throughout the
rest of the plant.
What is the xylem? ✔✔A vascular tissue that transports water and dissolved mineral
nutrients from the roots to other parts of the plant.
What is a gymnosperm? ✔✔A plant that produces unprotected seeds.
What is an angiosperm? ✔✔A type of flowering plant.
The sticky tip of the carpel of a flower, which receives the pollen, is called the: ✔✔Stigma
The major sites of photosynthesis in most plants are the: ✔✔Leaves
Name the 6 kingdoms of living entities. ✔✔1. Archaebacteria
2. Eubacteria
3. Protista
4. Fungi
5. Plantae
6. Animalia.
The majority of primary producers in an ecosystem are: ✔✔Autotrophs
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