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Glossary of Bio 101 2

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Oogenesis is the process where ovaries produce eggs.
True
Punnett squares are used to determine
possible alle combinations in offspring
Meiosis involves __ cell divisions and produces __ daughter cells
2; 4 haploid
During ________ the cytoplasm of a cell and its organelles separate into two new daughter cells
cytokenesis
A pair of sister chromatids are held together at the _____
Centromere
Cellular respiration refers to ____
extracting energy from nutrients in the presence of oxygen.
The H+ concentration gradient that is formed during the light reaction is used by __ to form __.
ATP synthase, ATP
What accumulates inside the thylakoid compartment during the light dependent reactions?
Glucose
Glycolysis starts and ends in the___
cytoplasm
Mitosis and cytoplasmic division function in
growth, tissue repair, often asexual reproduction
a heterozygote has a
pair of non identical alleles
Cells with a diploid chromosome number (2n) have pairs of genes, on pairs on pairs of homologous chromosomes.
true
when mendel began his experiments, he already knew___
nothing
Which of the following is not a product of the kreb cycle?
CO2, FADH2, ATP, NADH
FADH2
When an egg and a sperm are combined the resulting zygote is haploid. TF
False
The most common molecule used in all organisms as a source of energy is ___
Glucose
If a parent cell of a sexually reproducing species has 28 chromosomes, the number of chromosomes in the zygote would be__
56
Rapidly diving cells, such as somatic cells are killed by chemotherapy. TF
True
The site of cellular respiration in plant cells is the
mitochondria
if short plants having wrinkled leaves were crossed with tall plants having smooth leaved, and all the F1 were tall and wrinkled, you could assume that________
smooth is recessive, and tall is dominant
The only time a human in haploid is when they are in their mother's womb. TF
False
XX...male or female
Female
sister chromatids are attached to the spindle fibers at their___
centromere
Meiosis results in the formations of:
four haploid cells
the environment can sometime have a greater affect on the phenotype than the genotype. TF
True
Human blood types are an example of___
codominance
Leaves change from green because chlorophyll is broken down faster that other pigments. TF
True.
Abnormal chromosomal inheritance is a result of___
nondisjunction
The whole point of cellular respiration is to___
make energy
Te kreb cycle____
produces more NADH than glycosis
Which of the following would be a possible gamete produced by an individual who is heterozygous for G and E? Gg, Ge, EE, ee
Ge
in a monohybrid cross (AA x aa) what phenotypic reation would you expect?
100% dominant
Chromatin differs from a chromosome in that__
chromatin contains protein
The light reactions of photosynthesis require__
carbon dioxide
Pleiotropy is when___
one gene affects more than one trait
crossing over is when _____ swap segments of DNA during _____ of meiosis
Homologous pairs, prophase 1
Phenotype describes:
physical traits
A particular cell with 12 chromosome is undergoing mitosis. How many chromotids would there be at the metaphase plate?
24
The breakdown of the nuclear membrane occurs immediately after anaphase. TF
false

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