Example 6 49. BIOLOGY Lavania is studying the growth of a population of fruit flies in her laboratory. After 6 days, she had nine more than five times as many fruit flies as when she began the study. If she observes 20 fruit flies on the first day of the study, write and evaluate an expression to find the population of fruit flies Lavania observed after 6 days. a. Write an expression for the population of fruit flies Lavania observed after 6 days. b. Find the population of fruit flies Lavania observed after 6 days.

Which layer is present in the thick skin of the epidermis but absent in the thin skin of the epidermis? Select one: a. Stratum Lucidum b. Stratum Carneum c. Stratum Granulosum d. Stratum Basale

Pregunta 4 de 5 ¿Qué nutriente facilita el uso del baño? Seleccione una respuesta a continuación. Proteína Hierro Gordo Fibra

A community includes abiotic and biotic things True False

Which among the following is a voluntary action? Blinking the eyes Vomiting Playing baseball Breathing

5) Which statement is true regarding an alteration or change in DNA? A) It is always known as a mutation. B) It is always advantageous to an individual. C) itis always passed on to offspring. D) It is always detected by the process of chromatography.

3. What are genetically modified organisms. Give an example of a)a plant b) an animal c) a micro -organism that has been genetically altered.

What is a function of the nervous system? Multiple Choice Provides nutrients and nourishment for surrounding cells Controls the movement of muscles Contracts and generates a force to.cause bodily motion Provides a support system for the body

Which of the following is true regarding antidiuretic hormone (ADH) and its role in regulating fluid and electrolyte balance? ADH is released from fenestrated capillaries in the anterior pituitary. ADH is produced in the posterior pituitary and is released in response to high osmotic concentrations. Increased ADH inhibits the hypothalamic thirst centers. ADH stimulates water conservation by the kidneys and helps to concentrate the urine. IDON'T KNOWYET

The muscular layer of the uterus is the endometrium. perimetrium. sarcometrium. uterometrium. myometrium.

Hot Questions

Select the correct answer. Which of the following phrases best explains the role of a habitat? A. provides interactions with other organisms B. provides water C. provides a place to reproduce D. provides a place to live

Which type of membrane protein moves sodium and potassium through the nerve cell membrane? Junction protein Transport protein Receptor protein Channel protein Enzymatic protein Cell recognition protein

Multiple Select Question Select all that apply Choose all that result from contraction of the lateral muscle of the thigh. abduction of the thigh lateral rotation of the thigh extension of the thigh adduction of the thigh medial rotation of the thigh

Match the Process to the Pool Movement Carbon Moves From -To __ Atmosphere __ __ Bioshpere __ __ __ __ __ Process Photosynthesis Respiration Decomposition Fossil Fuel Combustion __ __

The kidney is associated with which system? A. Endocrine system B. Cardiovascular system C. Skeletal system D. Respiratory system E. Nervous system

What is the direct effect of: Decreased ADH Only CO increases Only CO decreases Only BP increases Only BP decreases Both CO and BP increase Both CO and BP decrease

What are the four phases of a typical bacterial growth curve in order? Exponential, Lag, Death Stationary Lag, Exponential, Stationary, Death Death, Lag, Exponentlal, Stationary $Lag,$ Stationary, Death,Exponential

8. Oxygenated blood from the lungs enters the heart at the: a. left ventricle b. right ventricle c. left atrium d. right atrium

Bacteria that grow optimally at pH levels below 5 are classified as: Neutrophiles Alkaliphiles Acidophiles Halophiles

Which group of bacteria can survive and grow at temperatures below $15^{\circ }C$ Thermophiles Psychrophiles Mesophiles Hyperthermophiles