Covalent bond is when two atoms share one or more pairs of electrons, an example of this could be H20 or C02.
ionic bonds are when one or more electrons from am atom are removed and attached to another, which can result in positive or negative ions which attract each other, an example of this could be table salt.
D. an arctic fox is brown in summer and white in winter
An e.coli cell without a functional laci gene is expected to always produce B-galactosidase. i found the answer to this question on a set of quizlet flash cards. i have provided the link below in case you would want to look at the flash cards for reference.
https://quizlet.com/62335789/genetics-important-concepts-flash-cards/
They hold DNA( hope this helps)
Hhv-5 infectious in pregnant women can be particular concern because this virus can be teratogenic.
<h3>
What is teratogenic?</h3>
- Teratology is the study of aberrant physiological development across the whole life cycle of all species, including plants.
- Dysmorphology is a branch of medical genetics that focuses on the classification of congenital deformities.
- Teratogens are substances that, when exposed to a pregnant woman, may result in physical or functional abnormalities in the human embryo or fetus.
- Such substances include, for example, alcohol and cocaine.
- A teratogen is an agent that increases a baby's risk of developing a birth defect or can actually cause one.
- They are items to which a mother might be exposed while expecting.
- Teratogens can result in neural tube abnormalities like spina bifida during this time.
- Throughout the entire pregnancy, certain organs are vulnerable to teratogens.
- The baby's brain and spinal cord are included in this.
- Alcohol can be harmful at any point during pregnancy since it has an adverse effect on the brain and spinal cord.
Learn more about teratogenic here:
brainly.com/question/14970129
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