What is it called when a cell has two copies of each chromosome.

in short sentence

What is the relationship between the factors that makeup an ecosystem and biodiversity?

When do psychosexual development and the ability to love begin? a. at conception, with the division of the fertilized egg b. during puberty, with growing interest in sexual expression c. at birth, with inspection of the infant's external genitals d.

Name the high tech method of measuring pulse rate

How does carbonic anhydrase change the reaction between carbon dioxide and water?

Many researchers argue that teens today have weaker social skills than teens of the past because they are no longer used to communicating face to face.

Which of following cells don't play endocrine Role a. interstitial cells. B. follicle cells. c. germinal epithelium cells. D. leutal cells

The Permian-Triassic extinction 250 million years ago wiped out about ninety percent of Earth's animal species. Some scientists are predicting a sixth mass extinction in the future, due to A) acid rain. B) air pollution. C) global warming.

Which cell organelles function resembles the function of the brain in higher animals

92 Sathe best for the question 11. Most animals and plants reproduce sexually. This means that DNA is passed down to new organisms from two parental organisms. Which of the following is a key advantage of sexual reproduction?

Which symptom is not associated with vitamin b deficiency?