Bacteria reproduces by copying itself. True False

Bacteria are living and have one cell. True False

Select the correct answer. The presence of which organelle indicates that eukaryotic cells have evolved from prokaryotic cells? A. membrane-bound nucleus B. plasma membrane C. endoplasmic reticulum

Which form of DNA is the most tightly packed together? histones chromosomes

Only Gram-positive bacteria produce exotoxins. True False

The most successful parasites are the ones that live in harmony with their hosts. True False

Fill in the Blank Question The adrenal square is the outer region of the adrenal gland. Need help? Review these concept resources.

Endocrine chemical messengers typically act on nearby cells. True or False True False

Question 3(Multiple Choice Worth 3 points) (06.07 LC) The structure that stores maturing sperm until they are released by the male reproductive system is the vas deferens epididymis penis urethra

Select the correct answer from each drop-down menu. Which organs of the male and lemale reproductive systems secrete fluids that act on the vagina? In the male reproductive system, the square secrete(s) a fluid that neutralizes acidic conditions in the vagina. In the female reproductive system, the square secrete(s) mucus that lubricates the vagina.

Hot Questions

Even though it is not funny, the bone in the upper portion of the arm is called: humerus radius julna

This bone is commonly referred to as the tailbone. cranium sternum coccyx sacrum

According to class what specialized organ do male mosquitoes use to detect wing vibrations of females? Tympanic organs Chordotonal organs Johnston's Organ Setae

What is the role of enzymes? Concentrate products of chemical reactions. Speed up the rate of chemical reactions. Combine with smaller molecules to make larger ones. Act as substrates for chemical reactions.

The esophagus differs from the standard arrangement of the alimentary canal in that it has __ gastric glands stratified squamous epithelium Brunner's glands villi

Herbivores which only consume plants Secondary Consumers Primary Consumers

Which of the following is a vital function of the skin? The skin converts modified epidermal cholesterol to vitamin D. The skin absorbs vitamin C so that the skin will not be subject to diseases. The skin aids in desiccation The skin aids in the transport of materials throughout the body. The cells of the epidermis store glucose as glycogen for energy.

When our sensory receptors notice a specific stimuli, they convert that energy to an action potential and send that to the central nervous system. What is this process called? Sensation Perception Transduction Absolute threshold

The region of the brain stem positioned closest to the spinal cord is the: Medulla oblongata Midbrain Pons

The purpose of flame sterilizing your inoculating loop between each quadrant while creating your streak plate is to prevent outside microbes from contaminating your culture. True False