Which of the following statements is true?

Electrons have a negative charge.

The n=1 shell can hold eight electrons.

The number of electrons in an atom is equal to the number of neutrons.

The second electron shell can hold 16 electrons.

What is the difference between chromosome mutation and gene mutation? Explain with examples (one page)

Mom is heterozygous for blood type B and Dad is blood type AB. what are the possible blood types of their offspring

Plants and Animals Pinworms have smooth bodies, bilateral symmetry, and complete digestive tracts. What type of animal are they?

Can you write one sentence explaining evolution in your own words? If you post 5 sentences i will give you brainliest!

Which of these is a benefit of scientists using models to learn about body systems? A. Scientists can use model organism without worrying about controversy. B. Scientists can use model systems to predict when a person is going to fall ill. C.

Which of the following is the most likely cause of succession in ecosystems? a. arrival of new species b. rain c. loss of an animal species d. wildfires

Three genes control the production of tail structures in dogs. The wag1 gene promotes the production of tail structures. However, the brkn gene inhibits wag1 activity. Another gene, ntrdr, stimulates activity of the brkn gene.

From the following list, correctly identify the reason (s) that might explain a decrease in Vmax due to a suboptimal pH during an enzyme assay. a. Protonation of the substrate b. Deprotonation of the amino acids in the enzyme's active site c.

Caracterize células eucariontes dando exemplos

Natural _ - the mechanism for evolution.