1: Parents can pass down many traits to their children. All BUT one of the following can be passed down. That is A) freckles. B)
happiness. C) hair color. D) skin color. 2: Mario's dog barked every day at around 6:00 PM. He barked because he knew it was time to eat. Mario wondered if his fish also knew it was time to eat. He conducted an experiment. For two weeks, he fed his fish at exactly 6:00 PM. Then Mario just walked up to the fish tank at 6:00 PM. When he did, the fish swam up to the top of the tank and began to swim in circles. What can Mario conclude about the fish?
A)
Both the dog and the fish wanted to eat at 6:00 PM.
B)
Mario really could not conclude anything about the fish.
C)
The fish learned that Mario came at a certain time to feed them.
D)
The fish learned that they had to swim to the top of the tank for food
3:Offspring inherit their parents' genes, giving them their visible, or observable, characteristics. Which is an example of an inherited physical characteristic of a lion?
A)
the animals it eats
B)
the length of its tail
C)
where it sleeps at night
D)
the climate in which it lives
4: Martin’s science class is having a discussion about inherited plant traits. He and three of his classmates have offered their opinions about which characteristics are inherited traits. Who is right?
A)
Martin thinks leaf size is an inherited trait.
B)
Karen thinks leaf shape is an inherited trait.
C)
Logan thinks the amount of fruit is an inherited trait.
D)
Laura thinks the size of the fruit is an inherited trait.
The correct answer for the question that is being presented above is this one: (1) viruses only: capsid, envelope with glycoproteins, capsomere (core protein) <span>(2) host cell only: ribosome </span><span>(3) both: DNA, RNA, Protein</span>
very few M. tuberculosis in the standard nutrient cell cultures carry the rpoB gene mutation, but almost all of the M. tuberculosis in the cell cultures with rifampin carry the rpoB mutation
