Which condition is necessary for enzymes to function properly in the human body *?

Temperature: Enzymes work best when your body temperature is normal, about 98.6°F (37°C). As temperature increases, enzyme reactions increase. But if the temperature gets too high, the enzyme stops working.

What form are these materials in before entering the tree?

What form are these materials in before entering the tree? Leaves of green plants contain openings known as stomates, which are opened and closed by specialized cells allowing for gas exchange between the leaf and the outside environment.

Which change in a sample of pond water could indicate?

which change in a sample of pond water could indicate that heterotrophic microbes were active? d-decrease in carbon dioxide level.

Which statement correctly describes the genetic makeup of the sperm cells produced by human male?

Which statement correctly describes the genetic makeup of the sperm cells produced by a human male? Each cell has pairs of chromosomes and the cells are usually genetically identical.

Which substance usually passes in the greatest amount through the placenta from the blood of the fetus to the blood of the mother?

The mother’s placenta helps the baby “breathe” while it is growing in the womb. Oxygen and carbon dioxide flow through the blood in the placenta. Most of it goes to the heart and flows through the baby’s body.

Which observation could be used to determine that an ocean organism carries out?

Which observation could be used to determine that an ocean organism carries out autotrophic nutrition? Chloroplasts are visible inside the cells. You just studied 7 terms!

Which enzyme functions best in a pH environment most similar to that of human stomach enzymes?

Digestive enzymes secreted in the acidic environment (low pH) of the stomach help break down proteins into smaller molecules. The main digestive enzyme in the stomach is pepsin, which works best at a pH of about 1.5.

Does the placenta produce hormones?

The placenta is a highly active endocrine organ during gestation; secreting a variety of hormones with physiological effects in the mother. Placental hormones include members of the prolactin and growth hormone family, organic compound hormones and neuroactive hormones.

Which process occurs at the placenta?

The placenta is an organ that develops in your uterus during pregnancy. This structure provides oxygen and nutrients to your growing baby and removes waste products from your baby’s blood. The placenta attaches to the wall of your uterus, and your baby’s umbilical cord arises from it.

How does the placenta facilitate brings about the exchange of vital materials such as glucose and oxygen between the mother and the embryo?

Blood vessels in the placenta bring oxygen and nutrients to the fetus and remove waste products. The umbilical vein (red) brings oxygenated blood to the fetus from the placenta while the paired umbilical arteries (red) take deoxygenated fetal blood back towards the placenta.

What are the 4 pregnancy hormones?

These are:
  • Human chorionic gonadotropin hormone (hCG). This hormone is only made during pregnancy. …
  • Human placental lactogen (hPL). This hormone is also known as human chorionic somatomammotropin. …
  • Estrogen. This group of hormones helps develop the female sexual traits. …
  • Progesterone.

What causes female estrogen?

What is estrogen? Estrogens are a group of hormones that play an important role in the normal sexual and reproductive development in women. They are also relationship hormones. The woman’s ovaries make most estrogen hormones, although the adrenal glands and fat cells also make small amounts of the hormones.

Can you eat placenta?

While some claim that placentophagy can prevent postpartum depression; reduce postpartum bleeding; improve mood, energy and milk supply; and provide important micronutrients, such as iron, there’s no evidence that eating the placenta provides health benefits. Placentophagy can be harmful to you and your baby.

What hormone makes you want a baby?

Oxytocin. Oxytocin is often known as the “hormone of love” because it is involved with lovemaking, fertility, contractions during labor and birth and the release of milk in breastfeeding.

Do pregnancy hormones make you cry?

Mood swings and crying spells are a normal part of pregnancy, especially during your first trimester as hormones ramp up. It also takes some time to absorb the emotional weight of life’s big changes, like having a child. Take a deep breath. It’s your pregnancy, you can cry if you want to!

What is a pregnancy?

Pregnancy is the term used to describe the period in which a fetus develops inside a woman’s womb or uterus. Pregnancy usually lasts about 40 weeks, or just over 9 months, as measured from the last menstrual period to delivery. Health care providers refer to three segments of pregnancy, called trimesters.

Which age is best to get enceinte?

Experts say the best time to get enceinte is between your late 20s and early 30s. This age range is associated with the best outcomes for both you and your baby. One study pinpointed the ideal age to give birth to a first child as 30.5.

How do I get enceinte?

The sperm and uterus work together to move the sperm towards the fallopian tubes. If an egg is moving through your fallopian tubes at the same time, the sperm and egg can join together. The sperm has up to six days to join with an egg before it dies. When a sperm cell joins with an egg, it’s called fertilization.