OBJ 4

These are OBJ 2 – Warm-ups

off of Spring 2006 – 10th grade Released TAKS

Warm-up• The diagram shows

different parts of a human sperm cell. Which part of the cell is most likely specialized for mobility?

A. Part Q

B. Part R

C. Part S

D. Part T

Warm-upWhich of these is a

function of the cell membrane in all cells?

A. Producing cellular nutrients

B. Preserving cellular wastes

C. Neutralizing ChemicalsD. Maintaining

homeostasis

Hemoglobin carries oxygen to body cells. Which body system contains hemoglobin?

A. Circulatory System

B. Respiratory System

C. Endocrine system

D. Nervous System

Data Management ActivityThe diagram shows 3 generations of cells

produced by a single cell through mitosis. In the process, a single mutation occurred at the point indicated. The mutation caused changes within the dominant allele. How many of the 15 cells contain the mutation?

Warm-up

Which is a characteristic of members of the plant kingdom that distinguishes them from members of the animal kingdom?

A. Storage of energy in chemical bonds

B. Exchange of water with the environment

C. Use of mRNA during protein production

D. Use of chlorophyll for solar-energy transformations

Data Management ActivityIf a plant that is homozygous

tall is crossed with a short, wrinkled plant, what percentage of genotypes would most likely be found in the first-generation offspring?

A. 50% TTss, 50% ttSSB. 100% TtSsC. 100% TtssD. 50% TtSS, 50% ttSS

Warm-up

The picture above shows a normal DNA sequence. Which illustration shows a single base change in the sequence?

Warm-up

• The info in the box identifies some of the organs of the kitten. Which of the following is identical for every cell in each of the 4 organs?

A. Amount of ATPB. Function of cellC. Size of cellsD. Genes in DNA

Data Management Activity• Pelicans prevent

serious wing damage by entering the water in the manner shown above. Which 2 organ systems in the pelican work together to accomplish this maneuver?

A. Circulatory, NervousB. Nervous, MuscularC. Muscular, DigestiveD. Digestive, Circulatory

Data Management Activity

• Knowledge of which of these is the most important in classifying this new organism into a kingdom?

A. . The color of light absorbed by the organism

B. The type of radiation emitted

C. The use of photosynthesis

D. The color of the organism

Data Management Activity

Which best explains the difference in size between male and female sea lions?

A. Orcas and sharks prey on sea lions

B. Male and female sea lions hunt at land and sea

C. Sea lions hold their breath while diving

D. Males compete with one another for females