LSUE BIOLOGY 1001 FINAL EXAM NEWEST 2024-2025 COMPLETE 97
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWE
|ALREADY GRADED A+
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1. How many generations does it take to develop a new A) one
plant species by polyploid?
A) one
B) two
C) ten
D) about twenty
2. Both mitosis and meiosis are preceded by B) interphase
A) prometaphase
B) interphase
C) prophase
D) telophase
3. Which of the following statements regarding the D) The cell-cy-
cell-cycle control system is false? cle control sys-
tem operates in-
A) The cell-cycle control system receives messages dependently of the
from outside the cell that influence cell division growth factors
B) The cell-cycle control system triggers and controls
major events in the cell cycle
C) The cell-cycle control system includes three key
checkpoints to complete a cell cycle
D) The cell-cycle control system operates indepen-
dently of the growth factors
4. Cancer is not usually inherited because A) the chromoso-
mal changes can-
A) the chromosomal changes in cancer are usually cer are usually
confined to somatic cells confined to somat-
B) people with cancer usually die before reproducing ic cells
5. Sister chromatids are B) joined together
at a centromere
A) found right after a cell divides
B) joined together at a centromere
, LSUE BIOLOGY 1001 FINAL EXAM NEWEST 2024-2025 COMPLETE 97
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWE
|ALREADY GRADED A+
Study online at https://quizlet.com/_fq6uuc
C) made only of DNA
D) unique to prokaryotes
6. When animal cells are grown in a Petri dish, they B) density depen-
typically stop diving once they have formed a single, dent inhibition
unbroken layer on the bottom of the dish. This arrest
of division is an example of
A) cell constraint
B) density-dependent inhibition
C) cell division repression
D) growth factor desensitization
7. The process by which the cytoplasm of a eukaryotic B) cytokinesis
cell divides to produce two cells is called
A) mitosis
B) cytokinesis
C) binary fission
D) telophase
8. Which of the following must occur for a plant or animal B) The organism
to grow and develop normally? must be able to
control the timing
A) The organism must receive a supply of the appro- and rate of cell di-
priate hormones from its parents vision in different
B) The organism must be able to control the timing parts of its body
and rate of cell division in different parts of its body
C) Sufficient light must be available to stimulate cell
division
D) Sufficient oxygen must be available to stimulate
cell division
9. With the exception of identical twins, siblings who D) a similar but not
have the same two biological parents are likely to look identical combina-
similar, but not identical, to each other because they tion of genes
have
, LSUE BIOLOGY 1001 FINAL EXAM NEWEST 2024-2025 COMPLETE 97
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWE
|ALREADY GRADED A+
Study online at https://quizlet.com/_fq6uuc
A) identical chromosomes, but different genes
B) identical genes but different chromosomes
C) the same combination of traits, but different genes
D) a similar but not identical combination of genes
10. Which of the following is a feature of plant cell division A) formation of a
that distinguishes it from animal cell division? cell plate
A) formation of a cell plate
B) formation of a cleavage furrow
C) lack of cytokinesis
D) production of four (rather than two) new cells per
mitotic division
11. Looking into your microscope, you spot an unusual A) undergoing cy-
cell. Instead of the typical rounded cell shape, the tokinesis
cell has a very narrow middle separating two bulging
ends. It sort of looks like the number 8! Then you
realize that this cell is
A) undergoing cytokinesis
B) in the S phase of interphase.
C) in the G1 phase of interphase.
D) in the G2 phase of interphase.
E) about to undergo mitosis.
12. Karyotyping B) can reveal alter-
ations in chromo-
A) shows chromosomes as they appear in metaphase some number
of meiosis II
B) can reveal alterations in chromosome number
C) examines points of crossing over
D) reveals the presence of cancerous genes
13. At a chiasma, two____are attached to each other A) homologous or
non sister chro-
A) homologous or non sister chromatids matids
B) homologous or sister chromatids
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