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Bisc Practice Exam Multiple choice
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Bisc Practice Exam Multiple choice 2023-2024If a female with genotype Dd mates with a male of genotype dd, what are the
possible genotypes of the haploid gametes they produce? - ANSWER - The male
can only produce d gametes.
- The female can produce D and d gametes.
The number of cells produced in meiosis is - ANSWER twice the number of cells
produced in mitosis.
Daughter cells produced in meiosis have - ANSWER half the number of
chromosomes as the parent cell.
Daughter cells produced in meiosis are identical. (T/F) - ANSWER False
Chromosome duplication occurs prior to both mitosis and meiosis. (T/F) -
ANSWER True
What is the relationship among endocrine glands, target cells, water-soluble
hormones, and lipid-soluble hormones. - ANSWER Endocrine glands secrete
both water-soluble hormones and lipid-soluble hormones, which bind to target
cells with the correct receptors.
What is another name for programmed cell death, which occurs during normal
development of a multicellular organism? - ANSWER apoptosis
When in the cell cycle does DNA replication occur? - ANSWER Interphase
Mitosis includes interphase and cytokinesis. (T/F) - ANSWER False
Bind to receptors on cell surface: - ANSWER - Oxytocin
- Prolactin
- FSH
- Endorphins
- Insulin
Bind to receptors within cell: - ANSWER - Mineralocorticoids
- Glucocorticoids
- Estrogen
, - Testosterone
Consider the types of mutations and the circumstances in which mutations arise.
- ANSWER - Mutagens and meiosis are two sources of mutation.
- A single-base insertion is usually more harmful than a single-base substitution.
- Mutations can be useful to the organism.
The senses of smell and taste are both forms of - ANSWER chemoreception
The sense of taste depends on sensory neuron activity in taste buds, which are
housed at the base of _____________ on the surface of the tongue. - ANSWER
papillae
The moist lining of the nose is essential to the sense of smell, as __________ is
essential to the sense of taste. - ANSWER saliva
Chemoreceptors on a __________ cell membrane bind chemicals and then send a
message to the brain. - ANSWER sensory
A ____________ is a chemical that elicits a response in other members of the
same species. - ANSWER pheromone
What are some characteristics of sexually transmitted diseases (STDs)? -
ANSWER - can lead to cancer
- Antibiotics are used as a treatment for some
- can be caused by both protists and fungi
Contraceptive pills holds the concentration of estrogen and progesterone at a
moderate level throughout the cycle, until the last seven days, during which no
pills with no supplemental hormones are provided. How might this hormone
supplement method prevent pregnancy? - ANSWER - LH concentrations will
never spike
- The endometrium will not fully develop
- Ovulation will not occur
If you request to have white turkey meat at dinner, instead of dark meat, you are
really asking for ______ muscle fibers. - ANSWER fast-twitch
When is the DNA in chromosomes replicated? - ANSWER Interphase
What stages are in the cell cycle during which each chromosome consists of two
chromatids joined at the centromere? - ANSWER - Metaphase
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