biology eoc questions

how many segments is a grasshopper divided into

3

the grasshopper has how many pairs of legs

3

CCGTAC what would the mRNA complement of the above of the above DNA strand be?

GGCAUG

the diffusion of a substance into or out of a cell requires- a. a concentration gradient b. active transport system c. a carrier molecule d. a functioning mitochondrion

a

the leaf cells of the white oak contain 24 chromosomes. after meiosis is complete how many chromosomes are in the new cells? a. 12 b. 26 c. 24 d. 48

a

unlike mitosis, meiosis occurs only in a. reproductive cells b. muscle cells c. connective tissue cells d. nerve cells

a

when DNA separate into two strands, the DNA would most likely be directly involved in a. replication b. fertilization c. differentiation d. evolution

a

frog belongs to what class

amphibian

golgi apparatus is to vacuole as packing is to- a. protecting b. storying c. absorbing d. hydrating

b

in fruit flies, the gene for red eye color(R) is dominant to the gene for white eye color(r). the trait is sex-linked. what would be the genotype of a white eyed female? a. XRXr b. XrXr c. XRY d. XrY

b

in what part of DNA is genetic information located? a. hydrogen bonds b. nucleotide sequence c. sugar molecules d. enzymes

b

the primary structure of a cell membrane is composed of- a. cholesterol b. phospholipids c. carbohydrates d. saccharides

b

which of the following is an example of codominance in genetic traits? a. a tall pea plant and short pea plant produce tall pea plants b. an orange cat and black cat produce an orange and black kitten c. a blue eyed man and a brown eyed women produced a blue eyed child d. a color blind woman and a man with normal vision produced a color blind son

b

which of the following provides energy for metabolic reaction within living systems? a. proteins b. ATP c. lipids d. carbohydrates

b

a cell has a defect that results in the loss of its ability to regulate the passage of water, food, and wastes into and out of the cell. in which of the following cell structures is this defect most likely to be located? a. ribosomes b. chloroplasts c. cell membrane d. ER

c

a karyotype would be least useful in determining whether a person had- a. a missing 23rd chromosome b. more than one X chromosome c. a recessive gene on the Y chromosome d. an extra copy of chromosome 21

c

an organism is multicellular and automatic. how would be classified? a. animalia c. fungi c. plantae c. eubacteria

c

as respiration begins, glucose is broken down into pyruvic acids and two molecules of ATP are formed. what will happen next in yeast cells if NO oxygen is available? a. krebs cycle b. photosynthesis c. alcoholic fermentation d. lactic acid fermentation

c

how are prokaryotes different from eukaryotes? a. prokaryotes can make their own food but eukaryotes cannot b. eukaryotes have a cell wall, but prokaryotes do not c. eukaryotes have a nucleus but prokaryotes do not d. prokaryotes always have organelles and eukaryotes only sometimes do

c

if a breeder wanted to figure out whether a black rabbit was homozygous(BB) or heterozygous(Bb) for coat color, which of the following rabbit genotypes would be crossed with the Black rabbit? a. BB b. bb c. Bb d. BbBb

c

if an intestinal cell in a butterfly contains 24 chromosomes, a butterfly egg cell would contain- a. 3 chromosomes b. 6 chromosomes c. 12 chromosomes d. 24 chromosomes

c

some single celled or organisms have cilia or flagella which allow them to _________ a. reproduce b. grow c. move d. inspire

c

the plasma membrane of a cell is selectively permeable, which means it- a. controls all cellular activity b. is responsible for asexual reproduction c. allows some materials to pass d. has a carbohydrates foundation

c

when excess sugar is produced in a plant, the plant will- a. release the sugar into the soil b. convert the sugar into minerals c. store the sugar by forming larger molecules d. burn the leaves of the plant as it releases energy

c

which of these is a description of mutualism? a. both species exploit a common vital resource b. one species is more complex than the other c. both species benefit from one another d. neither species interacts with the other

c

what type of consumer is a frog

carnivore

an environment can support only as many organisms as the available energy, minerals, and oxygen will allow. which term is best described by this statement?

carrying capacity

earthworm belongs to what class

citella

Mitochondria are used to produce energy for cells. Which type of cell would contain the most mitochondria? a. fat cells b. bone cells c. red blood cells d. muscles cells

d

at position y, carbon is most likely to be in which the following forms? a. protein b. carbon solid c. carbohydrates d. carbon dioxide

d

the ecosystem will be self-sustaining if- a. the organisms labeled A out number the organisms labeled b b. the organisms labeled a are equal in number to the organisms labeled B c. the type of organisms represented by B are eliminated d. materials cycle between the organisms labeled A and organisms labeled B

d

the process of diffusion occurs when- a. all molecular movement stops b. molecules move from areas of lesser concentration to areas of greater concentration c. sugar molecules moves into a cell d. molecules move from areas of greater concentration to areas of lesser

d

which macromolecule is correctly parked with it's function? a. lipids and genetic information b. nucleic acids and energy storage c. carbohydrates and enzymatic function d. proteins and enzymatic function

d

which of the following statements about the cell membranes is NOT true? a. they are barriers between the inside and outside of the cell b. they contain proteins which perform a variety of transport functions c. they are composed of phospholipids d. they allow DNA to move in and out of the cell

d

what type of consumer is a earthworm

decomposer

what is the gizzard used for

digest

frog and earthworm both have a gizzard

false

what type of consumer is a grasshopper

herbivore

what class does the grasshopper belong to

insecta

in humans which substance is produced anaerobically during strenuous activity?

lactic acids

what structure on the opening helps to identify a female

over positive

the abdomen of the grasshopper is here you would find this system

respiratory

what is the crop of a earthworm and a grasshopper used for?

storage

where is the ear of a grasshopper located

under wing

does a frog have two sets of teeth

yes