A DNA segment is changed from -AATTAG- to -AAATAG- . what is this an example of?

Answers

Answer 1

Answer: This has both an addition (or insertion) and a deletion mutation which are both types of frameshift mutations.

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Genetic transfer refers to a. how Archaea dissolve in extreme environments and transfer their DNA to other prokaryotes. b. how Bacteria evolve new genes through spontaneous mutations. c. how prokaryotes increase genetic variation. d. all of the above

Answers

The answer is (d.) All of the above.

Sickle cell disease is caused by a:A. change in one allele.

B. change in the size of a chromosome.

C. change in two proteins.

D. change in the number of chromosomes in a cell.

Answers

sickle cell disease trait is passed on when one parent has a change in the a gene. when no the parents have a Chan g rd in the a gene then the chances of getting sickle cell disease is greater

Which of the following is true of conifers? answers:
Female cones produce pollen that fertilizes the egg.

Most coniferous trees have both male and female cones.

Male cones cannot produce pollen unless fertilized by the female cone.

Female cones produce pollen that is trapped by the male cones’ scales

Answers

"Female cones produce pollen that is trapped by the male cones’ scales" is the one among the following choices given in the question that is true of conifers. The correct option among all the options that are given in the question is the fourth option or the last option. I hope the answer helps you.

(Female cones produce pollen that is trapped by the male cones’ scales) is not the correct answer because I got it wrong I dont know what the correct answer is because it doesn't show you if you got it wrong.

The ears, feet and tail of north american mammals are often smaller in northern species than they are in southern species. Explain the adaptive advantage of these size differences

Answers

This phenomenon can be explained by Allen's rule. It says that the body proportions and shape may vary in different climates. The temperature decreases as the latitude increases, so in the northern region is much colder. Animals must preserve heat in such conditions. So, exposed surface areas of the body, such as the ears, feet, and tail, are usually minimized to minimize heat loss in the cold climate. Therefore, northern species often have smaller ears, feet, and tail than the southern species.

What cell is has Special vesicles containing enzymes

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This special vesicles are called Lysosomes. Animal cells have them.

there is no special cell enzymes are contained inside all cells to make reactions happen and also use amino acids to make enzymes. also enzymes connect with substrates to make reactions occur.

Which statement is true about the thyroid hormones? (1) They increase the rate of metabolism in cellsthroughout the body. (2)They control how quickly cells use energy. (3) They are not steroid hormones.
(4) They are released by the parathyroid glands.
a. 1 only
b. 1 and 2
c. 1, 2, and 3
d. 1, 2, 3, and 4

Answers

The answer would be a. Thyroid hormones control metabolism.

the correct answer is option 1

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Many of the characters in the novel Frankenstein share traits. Match the number (characters) to the letters (traits they share).1. Walton and Frankenstein 2. Frankenstein and the creature 3. Elizabeth and Agatha A. Pairs B. love of nature C. passiveness D. blind ambition