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WorksheetsQuiz Domains lll-lV
Total questions: 5
Worksheet time: 5mins
All living things are descendants from a unique ancestor, common descent is usually an effect of speciation in which multiple species derive from a single ancestral population. Which of the following answers indicates why fish, birds, amphibians, reptiles and mammals share similarities between them?
Fossils of primitive forms of all the organisms have been discovered.
During development, all the organisms possess pharyngeal gill pouches and a notochord.
All the organisms have a special covering that includes moist skin, scales, feathers or hair.
All the organisms have mechanisms that permit movement from one location to another.
Transcription is a process by which our DNA must go through to make a copy of it. Which of the following accurately describes the process of transcription?
A ribosome moves along an mRNA and joins amino acids according to the sequence of the mRNA
A ribosome moves along a stretch of DNA and joins amino acids according to the sequence of a template strand of the DNA
A DNA polymerase moves along a template strand of DNA and makes a complementary RNA copy
An RNA polymerase moves along a stretch of DNA and makes a complementary RNA copy of the template strand
The liver is part of the digestive system and is responsible for helping the body absorb nutrients from food, filters toxins and aids the body get rid of these toxins in an easy way. From the following answers, which of the following is most likely to harm the liver to a point where it can cause cancer?
Infection by hepatitis B virus
Smoking of marijuana
Long-term use of antibiotics
Active Sun exposure
Some types of radiation are used successfully for medical issues or even in labs, yet some others can be dangerous to the human body, it all depends on the penetration capacity that it has. It is very important that we know which ones we need more protection from. Which of the following types of radiation, which have the highest penetrating capacity?
Alpha particles
Beta particles
x-rays
Gamma rays
We know that plants absorb water, but what would happen if a plant absorbs water with sugar? Imagine that you place a sunflower in a container with a spoon of sugar and you let it sit for a few minutes, when you put it under a microscope you notice that the membrane of the cells are separated from the cell wall. From the following answers, which of the following best explains what just happened?
Solutes only moved out of the cells into the sucrose solution
Water only moved out of the cells into the sucrose solution
Sucrose moved into the cells, and water moved out of the cells into the sucrose solution
Solutes and water both moved out of the cells into the sucrose solution
