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CLEP.NatSci.Pt01
CLEP Natural Sciences Test 1 Part 01
| Question | Answer |
|---|---|
| Cold-blooded animals with bony skeletons, webbed feet, and separate sexes | Amphibia (Frogs, Salamanders) |
| Cold-blooded animals with horny scales and a bony skeleton that lay eggs | Reptilia (snakes, lizards) |
| Cartilaginous fish | Chondrichthyes (sharks, rays) |
| Warm-blooded animals, mostly with wings, that lay eggs | Aves (birds—ducks, sparrows, etc.) |
| Animals with a hairy body and highly developed brain that have live births (in most cases) and produce milk | Mammalia // They fertilize internally, give birth to live young (except monotremes), and produce milk (cows, humans, platypus, apes, etc.). |
| Communication channel between the cytoplasm and nucleoplasm | Nuclear pores are holes in the nuclear membrane where the double nuclear membrane fuses together, forming a break or hole, allowing the selective intake and excretion of molecules to or from the nucleus. |
| Extensions that provide extra surface area for absorption | Microvilli are filaments that extend from the cell membrane, particularly in cells that are involved in absorption (such as in the intestine). |
| Contain digestive enzymes | Microvilli also contain enzymes that are involved in digesting certain types of nutrients |
| Packets that carry substances (hormones, fats, etc.) synthesized within the cell | Secretory vesicles are packets of material packaged by either the Golgi apparatus or the endoplasmic reticulum. |
| Network of membranes that deliver lipids and proteins throughout the cytoplasm | Smooth endoplasmic reticulum is a network of continuous membranous channels that connect the cell membrane with the nuclear membrane and is responsible for the delivery of lipids and proteins to certain areas within the cytoplasm |
| Atoms are held together with network covalent attraction. | Silicon carbide (SiC) is held together with network covalent bonds, which creates a crystal entirely from covalent bonds and confers unusual strength (and a high melting point) upon the crystal. |
| Atoms are held together with covalent attraction. | Acetic acid is a molecular compound that is held together with covalent bonds, in which electrons are shared between atoms, so that both atoms in the bond end up having a full octet of electrons. |
| Atoms are held together with metallic attraction. | As a metal, copper is held together by metallic bonds, which involve delocalized d-orbital electrons. |
Created by:
jedigoose
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