NO HEALTH or BIOLOGY BLOG until after Spring Break!

Biology #19 - Due 3/29

1. If a corn plant has a genotype of Ttyy,
what are the possible genetic combinations that could be present in a single
grain of pollen from this plant?
A Ty, ty
B TY, ty
C TY, Ty, ty
D Ty, ty, tY, TY

2. In fruit flies, the gene for red eyes (R) is
dominant and the gene for sepia eyes (r) is
recessive. What are the possible combinations of genes in the offspring of two red-eyed heterozygous flies (Rr)?
A RR only
B rr only
C Rr and rr only
D RR, Rr, and rr only

3. In certain breeds of dogs, deafness is due
to a recessive allele (d) of a particular gene, and normal hearing is due to its dominant allele (D). What percentage of the offspring of a normal heterozygous (Dd) dog and a deaf dog (dd) would be expected to have normal hearing?
A 0%
B 25%
C 50%
D 100%

4. 5' ATCAGCGCTGGC 3'
The above sequence of DNA is part of a gene. How many amino acids are coded for
by this segment?
A 4
B 8
C 12
D 20

Health #7 - due 3/29

List the steps involved in administering CPR to a person.

Biology #18 - Due March 22nd

Define Genetics and explain how mendel developed his theories on genetics based on his work with pea plants.

Health #6 - Due March 22nd

What is CPR?

Health #5 - Due March 15th

(A) List the bones of the axial skeleton.
(B) List the bones of the appendicular skeleton.

Biology #17- Due March 15th

Describe the process of Protein synthesis and be sure to include the terms: nucleus, transcription, translation, Ribosoome, mRNA, tRNA, codon, anti-codon, and amino acid.

Biology #16 Due 3/8/09

CST #1
Two students were testing the amount of
fertilizer that would best promote the growth
of strawberries in a garden. Which of the
following could be an unavoidable source
of experimental error?

A length of the study
B variation in the strawberry plants
C the cost of watering the plants
D fertilization during the study

CST #2
In most stable freshwater environments,
populations of Daphnia are almost entirely
female and reproduce asexually. However,
males are observed in low oxygen environments
or when food is scarce. Based on these
observations, a researcher suggests that male
Daphnia develop in response to unfavorable
environmental conditions. This is an
example of a
A result.
B theory.
C procedure.
D hypothesis.

CST #3
A computer model of cellular mitosis
can simulate the aspects of cellular division
quite well. However, microscopic observation
of actual cellular mitosis can improve
understanding because actual observations
A may reveal greater unknown complexities.
B are easier than a computer model to view.
C are the same each time.
D may provide division events in sequence.

Health #4 - due 3/8/09

List the steps needed when setting goals for yourself.