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storchak [24]
3 years ago
6

Q1.

Biology
1 answer:
gulaghasi [49]3 years ago
8 0

Answer:

denatured

Explanation:

Each enzyme works best at their own pH, so at high pH the enzyme is said to be denatured, changing shape. The substrate is no longer able to bind to the active site.

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How are red blood cells able to move through narrow vessels to carry oxygen throughout a multicellular organism? (1 point) a)The
geniusboy [140]

Answer:

The correct answer is - option B. They are small because they lack a nucleus.

Explanation:

Red blood cells or erythrocytes are specialized cell that produce in bone marrow and have specific role such as carrying oxygen from lungs to deliver it to the various organs and carry out carbon dioxide.

In mammals these cells lack cell organelles such as nucleus and mitochondria, a major factor that determined its smaller size. The size of RBC are move through narrow vessels throughout a organism because of its specific size and shape that provide it space for hemoglobin and allow to be flexible and bend to move through narrow vessels.

Thus, the correct answer is : option B. They are small because they lack a nucleus.

8 0
3 years ago
The postpartum client and her husband are excited about their new baby. however, they are also concerned about getting pregnant
ololo11 [35]
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5 0
3 years ago
What is the rate of concordance for schizophrenia in identical twins?
Luba_88 [7]

Concordance rates between monozygotic twins vary in different studies, approximately 50%; whereas dizygotic twins was 17%. Some twin studies (Koskenvuo et al; Hoeffer et al) have found rates as low as 11.0%–13.8% among monozygotic twins, and 1.8%–4.1% among dizygotic twins.

5 0
3 years ago
Which of the following best describes the purpose of cellular reproduction?
Neko [114]

Answer:

i think b

Explanation:

cellular reproduction is to reproduce a preexisting cell

6 0
3 years ago
Read 2 more answers
A disulfide bridge is an example of which type of bond? Select one: a. Hydrophobic interaction between R groups b. Covalent bond
natali 33 [55]

Answer:

b. Covalent bond between R groups

Explanation:

Disulfide bridge also known as disulfide bond or dicysteine bond is a type of interaction in which two cysteines of proteins come in close proximity with each other and form covalent bond with their functional (R) groups. The purpose of this bond is to stabilize the tertiary structure of a protein and make it more compact.

Please see the attached image for more understanding.

6 0
3 years ago
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